Dr. John Horlander, MD
Gastroenterology (Gastroenterology Physician)
- Medicare participating
At a glance
- Medical school
- University of Louisville School of Medicine (1995)
- Years since graduation
- 31
- In the NPI registry since
- 2005
- Medicare patients seen, 2024
- 595
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. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is
Education and training
- 1995Medical school: University of Louisville School of Medicine
- 2005Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
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
-
Gastroenterology Physician primary
KY license 36370
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Norton Hospitals, Inc Louisville, KY
- Baptist Health Louisville Louisville, KY
Medical groups
- Gastroenterology Health PArtners PLLC (29 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
- 595
- Services billed
- 5,334
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 147 | 146 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 132 | 128 |
| Biopsy of large bowel using a flexible endoscope | 115 | 115 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 105 | 68 |
| Established patient office or other outpatient visit, 20-29 minutes | 105 | 98 |
| Established patient office or other outpatient visit, 30-39 minutes | 94 | 81 |
| New patient office or other outpatient visit, 45-59 minutes | 56 | 56 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 55 | 55 |
| Dilation of esophagus | 36 | 34 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 32 | 29 |
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 |
|---|---|
| Pantoprazole Sodium Other prescribers in Louisville, KY | 380 |
| Omeprazole Other prescribers in Louisville, KY | 225 |
| Gavilyte-C (peg3350/sod sulf,bicarb,cl/kcl) Other prescribers in Louisville, KY | 169 |
| Sod Sulf-Potass Sulf-Mag Sulf (sodium, potassium,mag sulfates) Other prescribers in Louisville, KY | 159 |
| Esomeprazole Magnesium Other prescribers in Louisville, KY | 105 |
| Dicyclomine Hcl Other prescribers in Louisville, KY | 103 |
| Famotidine Other prescribers in Louisville, KY | 87 |
| Lansoprazole Other prescribers in Louisville, KY | 81 |
| Linzess (linaclotide) Other prescribers in Louisville, KY | 77 |
| Dexlansoprazole Dr (dexlansoprazole) Other prescribers in Louisville, KY | 51 |
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, 19 companies reported 207 payments worth $3,596 in total to this clinician.
| Food and Beverage | $3,596 |
|---|
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.