Dr. Daniel Callaghan III
Dermatology (Dermatology Physician)
- Medicare participating
At a glance
- Medical school
- Georgetown University School of Medicine (2014)
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 626
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
- 2014Medical school: Georgetown University School of Medicine
- 2014Registered 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
-
Dermatology Physician primary
MA license 264816 -
MOHS-Micrographic Surgery Physician
PA license MD487930C
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Medical groups
- Advanced Dermatology of Colorado PC (65 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
- 626
- Services billed
- 2,715
- Patients’ average age
- 76
| Service | Times | Patients |
|---|---|---|
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 562 | 476 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 381 | 264 |
| Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | 156 | 151 |
| Destruction of precancer skin growth, 2-14 growths | 106 | 31 |
| Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 1.1-2.5 cm | 90 | 85 |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | 59 | 55 |
| Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks | 59 | 51 |
| Destruction of precancer skin growth, 1 growth | 58 | 53 |
| Biopsy of related skin growth, first growth | 49 | 46 |
| Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less | 42 | 41 |
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 |
|---|---|
| Cephalexin Other prescribers in Denver, CO | 249 |
| Mupirocin Other prescribers in Denver, CO | 141 |
| Hydrocodone-Acetaminophen (hydrocodone/acetaminophen) Other prescribers in Denver, CO | 32 |
| Doxycycline Hyclate Other prescribers in Denver, CO | 25 |
| Amoxicillin Other prescribers in Denver, CO | 16 |
| Ciprofloxacin Hcl Other prescribers in Denver, CO | 16 |
| Tramadol Hcl Other prescribers in Denver, CO | 16 |
| Gentamicin Sulfate Other prescribers in Denver, CO | 11 |
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, 10 companies reported 30 payments worth $691 in total to this clinician.
| Novartis Pharmaceuticals Corporation | $154 |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $118 |
| AbbVie Inc. | $110 |
| Genzyme Corporation | $108 |
| Janssen Biotech, Inc. | $96.07 |
| UCB, Inc. | $32.71 |
| Organon LLC | $24.74 |
| Convatec Inc. | $18.25 |
| Food and Beverage | $675 |
|---|---|
| Education | $15.96 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. Feb 16, 2025 | Education LIBTAYO · ONCOLOGY · in-kind | $15.96 |
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.