Kaleb S. Abbott, OD
Optometrists (Optometrist)
1675 Aurora Ct
Aurora, CO 80045
Who else practices at this address →
Adams County includes primary care (2% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- University of Houston - College of Optometry (2018)
- Years since graduation
- 8
- In the NPI registry since
- 2018
- Medicare patients seen, 2024
- 512
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2018Medical school: University of Houston - College of Optometry
- 2018Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Optometrist primary
CO license OPT.0003402
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- University of Colorado Hospital Authority Aurora, CO
Medical groups
- University Physicians Incorporated (3,215 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 512
- Services billed
- 1,189
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 20-29 minutes | 451 | 264 |
| Established patient office or other outpatient visit, 30-39 minutes | 390 | 318 |
| Established patient office or other outpatient visit, 40-54 minutes | 111 | 98 |
| New patient office or other outpatient visit, 45-59 minutes | 106 | 106 |
| Imaging of retina | 73 | 62 |
| Exam of visual field with extended testing | 57 | 44 |
| Imaging of optic nerve | 41 | 33 |
| Closure of tear duct opening using plug | 41 | 27 |
| Removal of eyelashes using forceps | 28 | 18 |
| New patient office or other outpatient visit, 30-44 minutes | 18 | 18 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Miebo (perfluorohexyloctane/pf) | 177 |
| Cequa (cyclosporine) Other prescribers in Aurora, CO | 160 |
| Xiidra (lifitegrast) Other prescribers in Aurora, CO | 156 |
| Restasis (cyclosporine) Other prescribers in Aurora, CO | 119 |
| Oxervate (cenegermin-bkbj) | 95 |
| Vevye (cyclosporine) Other prescribers in Aurora, CO | 60 |
| Fluorometholone Other prescribers in Aurora, CO | 57 |
| Cyclosporine Other prescribers in Aurora, CO | 53 |
| Tyrvaya (varenicline tartrate) Other prescribers in Aurora, CO | 48 |
| Xdemvy (lotilaner) | 44 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 11 companies reported 195 payments worth $108,193 in total to this clinician.
| Bausch & Lomb Americas Inc. | $44,316 |
|---|---|
| Tarsus Pharmaceuticals, Inc. | $28,748 |
| Alcon Vision LLC | $13,949 |
| Harrow Eye, LLC | $11,134 |
| Alcon Research LLC | $7,650 |
| AbbVie Inc. | $1,444 |
| Sun Pharmaceutical Industries Inc. | $557 |
| Dompe US, Inc. | $152 |
| Speaking at a medical education program | $35,125 |
|---|---|
| Compensation for services other than consulting (speaking, faculty) | $28,900 |
| Consulting Fee | $28,496 |
| Travel and Lodging | $10,707 |
| Food and Beverage | $4,959 |
| Education | $4.78 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. Mar 8, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $5,175 |
| Alcon Research LLC Oct 23, 2025 | Consulting Fee TRYPTYR · Ophthalmology | $4,950 |
| Alcon Vision LLC Aug 7, 2025 | Consulting Fee TRYPTYR · Ophthalmology | $4,950 |
| Harrow Eye, LLC Sep 29, 2025 | Consulting Fee VEVYE · OPTOMETRY | $4,500 |
| Harrow Eye, LLC May 30, 2025 | Consulting Fee VEVYE · OPTOMETRY | $4,300 |
| Tarsus Pharmaceuticals, Inc. Jan 29, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $4,050 |
| Tarsus Pharmaceuticals, Inc. Jan 30, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $4,050 |
| Bausch & Lomb Americas Inc. Oct 29, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $4,000 |
| Bausch & Lomb Americas Inc. Jan 28, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $4,000 |
| Bausch & Lomb Americas Inc. Sep 25, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $4,000 |
All 108 payments other than meals, newest first
| Company | What it was for | Amount |
|---|---|---|
| AbbVie Inc. Dec 11, 2025 | Consulting Fee | $525 |
| Tarsus Pharmaceuticals, Inc. Dec 4, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $1,800 |
| Tarsus Pharmaceuticals, Inc. Dec 4, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to BOULDER, CO · in-kind | $65.24 |
| Tarsus Pharmaceuticals, Inc. Dec 4, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to BOULDER, CO · in-kind | $18.05 |
| Harrow Eye, LLC Nov 29, 2025 | Consulting Fee VEVYE · OPTOMETRY | $250 |
| Bausch & Lomb Americas Inc. Nov 20, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Bausch & Lomb Americas Inc. Nov 13, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Bausch & Lomb Americas Inc. Nov 6, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to DENVER, CO | $16.52 |
| Bausch & Lomb Americas Inc. Oct 29, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $4,000 |
| Alcon Research LLC Oct 23, 2025 | Consulting Fee TRYPTYR · Ophthalmology | $4,950 |
| Alcon Vision LLC Oct 23, 2025 | Compensation for services other than consulting (speaking, faculty) TRYPTYR · Ophthalmology | $3,025 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $625 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $266 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $188 |
| Alcon Vision LLC Oct 23, 2025 | Travel and Lodging TRYPTYR · Ophthalmology · travel to Colorado Springs, CO | $96.18 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $35.00 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $30.66 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $13.93 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $12.97 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $11.97 |
| Bausch & Lomb Americas Inc. Oct 23, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to EL PASO, TX | $11.30 |
| Bausch & Lomb Americas Inc. Oct 2, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Bausch & Lomb Americas Inc. Oct 1, 2025 | Consulting Fee | $1,000 |
| Harrow Eye, LLC Sep 29, 2025 | Consulting Fee VEVYE · OPTOMETRY | $4,500 |
| Bausch & Lomb Americas Inc. Sep 25, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $4,000 |
| Bausch & Lomb Americas Inc. Sep 25, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to LONE TREE, CO | $19.25 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $299 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $143 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $38.98 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $35.00 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $30.66 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $29.91 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $12.98 |
| Bausch & Lomb Americas Inc. Sep 18, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to TUCSON, AZ | $12.90 |
| Bausch & Lomb Americas Inc. Sep 12, 2025 | Consulting Fee | $500 |
| Alcon Vision LLC Aug 7, 2025 | Consulting Fee TRYPTYR · Ophthalmology | $4,950 |
| Alcon Vision LLC Aug 7, 2025 | Travel and Lodging TRYPTYR · Ophthalmology · travel to Fort Worth, TX | $70.00 |
| Alcon Vision LLC Aug 7, 2025 | Travel and Lodging TRYPTYR · Ophthalmology · travel to Fort Worth, TX | $30.66 |
| Harrow Eye, LLC Jul 30, 2025 | Consulting Fee VEVYE · OPTOMETRY | $335 |
| Alcon Vision LLC Jul 18, 2025 | Travel and Lodging TRYPTYR · Ophthalmology · travel to Fort Worth, TX · in-kind | $247 |
| Alcon Vision LLC Jul 18, 2025 | Travel and Lodging travel to Fort Worth, TX · in-kind | $241 |
| Alcon Vision LLC Jul 18, 2025 | Travel and Lodging travel to Fort Worth, TX · in-kind | $110 |
| AbbVie Inc. Jul 8, 2025 | Consulting Fee | $394 |
| Harrow Eye, LLC Jul 7, 2025 | Consulting Fee VEVYE · OPTOMETRY | $335 |
| Bausch & Lomb Americas Inc. Jun 25, 2025 | Consulting Fee | $1,500 |
| Bausch & Lomb Americas Inc. Jun 10, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $4,000 |
| Harrow Eye, LLC May 30, 2025 | Consulting Fee VEVYE · OPTOMETRY | $4,300 |
| Bausch & Lomb Americas Inc. May 28, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $500 |
| Bausch & Lomb Americas Inc. May 28, 2025 | Education MIEBO · Ophthalmology · in-kind | $4.78 |
| Alcon Vision LLC May 22, 2025 | Compensation for services other than consulting (speaking, faculty) TRYPTYR · Ophthalmology | $2,925 |
| Bausch & Lomb Americas Inc. May 22, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to SANTA FE, NM | $1,311 |
| Bausch & Lomb Americas Inc. May 22, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to SANTA FE, NM | $862 |
| Bausch & Lomb Americas Inc. May 22, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to SANTA FE, NM | $390 |
| Bausch & Lomb Americas Inc. May 22, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to SANTA FE, NM | $117 |
| Bausch & Lomb Americas Inc. May 22, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to SANTA FE, NM | $70.00 |
| Bausch & Lomb Americas Inc. May 22, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to SANTA FE, NM | $30.66 |
| Harrow Eye, LLC May 21, 2025 | Travel and Lodging VEVYE · OPTOMETRY · travel to DENVER, CO | $409 |
| Harrow Eye, LLC May 21, 2025 | Travel and Lodging VEVYE · OPTOMETRY · travel to NASHVILLE, TN | $70.00 |
| Harrow Eye, LLC May 21, 2025 | Travel and Lodging VEVYE · OPTOMETRY · travel to NASHVILLE, TN | $53.75 |
| Harrow Eye, LLC May 20, 2025 | Travel and Lodging VEVYE · OPTOMETRY · travel to NASHVILLE, TN | $178 |
| Harrow Eye, LLC May 20, 2025 | Travel and Lodging VEVYE · OPTOMETRY · travel to NASHVILLE, TN | $30.94 |
| Bausch & Lomb Americas Inc. May 12, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Bausch & Lomb Americas Inc. May 12, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Bausch & Lomb Americas Inc. Apr 29, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $1,000 |
| Alcon Vision LLC Apr 24, 2025 | Compensation for services other than consulting (speaking, faculty) TRYPTYR · Ophthalmology | $1,575 |
| Bausch & Lomb Americas Inc. Apr 24, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to GREENWOOD VILLAGE, CO | $16.52 |
| Tarsus Pharmaceuticals, Inc. Mar 27, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $1,800 |
| Tarsus Pharmaceuticals, Inc. Mar 27, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to WESTMINSTER, CO · in-kind | $53.34 |
| Tarsus Pharmaceuticals, Inc. Mar 27, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to WESTMINSTER, CO · in-kind | $11.35 |
| Bausch & Lomb Americas Inc. Mar 11, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Tarsus Pharmaceuticals, Inc. Mar 8, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $5,175 |
| Tarsus Pharmaceuticals, Inc. Mar 8, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to DALLAS, TX · in-kind | $45.00 |
| Tarsus Pharmaceuticals, Inc. Mar 8, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to DALLAS, TX · in-kind | $30.66 |
| Alcon Research LLC Mar 7, 2025 | Consulting Fee TRYPTYR · Ophthalmology | $2,700 |
| Tarsus Pharmaceuticals, Inc. Mar 7, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to DALLAS, TX · in-kind | $701 |
| Tarsus Pharmaceuticals, Inc. Mar 7, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to DALLAS, TX · in-kind | $304 |
| Tarsus Pharmaceuticals, Inc. Feb 27, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to ENGLEWOOD, CO · in-kind | $22.68 |
| Bausch & Lomb Americas Inc. Feb 21, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Bausch & Lomb Americas Inc. Feb 6, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to DENVER, CO | $15.26 |
| Bausch & Lomb Americas Inc. Feb 4, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $2,000 |
| Tarsus Pharmaceuticals, Inc. Jan 31, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to SAN MATEO, CA · in-kind | $88.00 |
| Tarsus Pharmaceuticals, Inc. Jan 30, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $4,050 |
| Tarsus Pharmaceuticals, Inc. Jan 30, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $2,700 |
| AbbVie Inc. Jan 30, 2025 | Consulting Fee | $525 |
| Tarsus Pharmaceuticals, Inc. Jan 29, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $4,050 |
| Tarsus Pharmaceuticals, Inc. Jan 29, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to SAN MATEO, CA · in-kind | $1,435 |
| Tarsus Pharmaceuticals, Inc. Jan 29, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to SAN MATEO, CA · in-kind | $882 |
| Tarsus Pharmaceuticals, Inc. Jan 29, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to SAN MATEO, CA · in-kind | $557 |
| Tarsus Pharmaceuticals, Inc. Jan 29, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to SAN MATEO, CA · in-kind | $172 |
| Tarsus Pharmaceuticals, Inc. Jan 29, 2025 | Travel and Lodging XDEMVY · DEMODEX BLEPHARITIS · travel to SAN MATEO, CA · in-kind | $30.66 |
| Bausch & Lomb Americas Inc. Jan 28, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $4,000 |
| Bausch & Lomb Americas Inc. Jan 28, 2025 | Speaking at a medical education program MIEBO; XIIDRA · Ophthalmology | $1,000 |
| Tarsus Pharmaceuticals, Inc. Jan 23, 2025 | Compensation for services other than consulting (speaking, faculty) XDEMVY · DEMODEX BLEPHARITIS | $1,800 |
| Bausch & Lomb Americas Inc. Jan 20, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to WINDSOR, CO | $109 |
| Bausch & Lomb Americas Inc. Jan 20, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to WINDSOR, CO | $9.70 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $149 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $149 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $145 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $30.66 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $30.00 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $24.93 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $23.81 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $23.00 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $18.93 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $14.01 |
| Bausch & Lomb Americas Inc. Jan 16, 2025 | Travel and Lodging MIEBO; XIIDRA · Ophthalmology · travel to ALBUQUERQUE, NM | $5.55 |
| Tarsus Pharmaceuticals, Inc. Jan 15, 2025 | Consulting Fee | $743 |
| Tarsus Pharmaceuticals, Inc. Jan 6, 2025 | Consulting Fee | $990 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.
Industry-funded research
Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $22,830 in research payments for these studies, mostly to the institutions running them.
- A Phase 3 Study to Evaluate the Efficacy and Safety of Pimecrolimus 0.3% Ophthalmic Ointment
Oyster Point Pharma, Inc. · Terminated · NCT06400511
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.