Dr. William K. Oelsner JR., MD
Gastroenterology (Gastroenterology Physician)
At a glance
- Years since graduation
- 8
- In the NPI registry since
- 2018
Licensed in Alabama since 2025, according to the Alabama Board of Medical Examiners and Medical Licensure Commission. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
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
- 2018Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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
AL license MD.50778 (first issued 2025; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Grandview Medical Center Birmingham, AL
- St Vincent's Birmingham Birmingham, AL
- Walker Baptist Medical Center Jasper, AL
Medical groups
- Birmingham Gastroenterology Associates PC (53 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 prescriptions
| Drug | Prescriptions |
|---|---|
| Omeprazole Other prescribers in Homewood, AL | 65 |
| Pantoprazole Sodium Other prescribers in Homewood, AL | 26 |
| Esomeprazole Magnesium Other prescribers in Homewood, AL | 17 |
| Famotidine Other prescribers in Homewood, AL | 15 |
| Colestipol Hcl Other prescribers in Homewood, AL | 12 |
| Creon (lipase/protease/amylase) Other prescribers in Homewood, AL | 12 |
| Ondansetron Hcl Other prescribers in Homewood, AL | 12 |
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 13 payments worth $340 in total to this clinician.
| Merit Medical Systems Inc | $67.55 |
|---|---|
| Medtronic, Inc. | $67.55 |
| Madrigal Pharmaceuticals | $47.11 |
| AbbVie Inc. | $36.63 |
| Novo Nordisk Inc | $21.72 |
| Aimmune Therapeutics, Inc. | $20.44 |
| Gilead Sciences, Inc. | $16.69 |
| Janssen Biotech, Inc. | $16.35 |
| Food and Beverage | $340 |
|---|
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.