Jennie Zhang, D.O
NPI 1245687599ActiveIndividual· Internal Medicine, Gastroenterology· Columbia, MD
Internal Medicine, Gastroenterology (D.O) in Columbia, Maryland, trained at West Virginia School of Osteopathic Medicine (class of 2015). In 2024 Medicare paid $2,330 for 16 patients, and Part D covered 55 of their prescriptions, 85% of them generic. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $813.93 in all, mostly food and beverage.
Overview
| NPI | 1245687599 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | No |
| NPI issued | May 17, 2016 |
| Last updated in NPPES | Aug 11, 2025 |
| Certified by provider | Aug 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | H0102181 | MD |
| Internal Medicine | 207R00000X | DO034854 | DC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (DC); Practitioner - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 17 across 6 procedure codes |
| Paid by Medicare | $2,330 |
Part D prescriptions in 2024
| Prescriptions (claims) | 55 · 73 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $2,329 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | West Virginia School of Osteopathic Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Gastro Center of Maryland LLCOlney, MD · 23 clinicians
Industry payments (Open Payments)
- 2025$813.93 · 25 payments from 11 companies
- 2024$1,659 · 28 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $173.58 | 4 |
| Janssen Biotech, Inc. | $136.09 | 2 |
| Janssen Scientific Affairs, LLC | $130.36 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $80.09 | 3 |
| Pfizer Inc. | $71.98 | 3 |
What the 2025 payments were for
- Food and Beverage$813.93 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 gastroenterologists in Columbia · All gastroenterologists in Maryland