Sajid M. Zafar, M.D.
NPI 1538274428ActiveIndividual· Internal Medicine, Gastroenterology· Chesterfield, MO
Internal Medicine, Gastroenterology (M.D.) with Digestive Consultants LLC, practicing in Chesterfield, Missouri. Their prescriptions cost Medicare Part D more than their services did: $262,445 for 1,209 claims, against $104,891 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $649.14 in all, mostly food and beverage. Lists Missouri Baptist Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1538274428 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | Apr 7, 2021 |
| Certified by provider | Apr 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 101267 | MO |
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 - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 482 |
|---|---|
| Services billed | 1,005 across 37 procedure codes |
| Paid by Medicare | $104,891 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,209 · 2,064 30-day fills |
|---|---|
| Patients | 641 |
| Total drug cost | $262,445 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Digestive Consultants LLCChesterfield, MO · 10 clinicians
Hospital affiliations
- Missouri Baptist Medical CenterSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$649.14 · 19 payments from 8 companies
- 2024$574.38 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $301.24 | 12 |
| Gilead Sciences, Inc. | $121.81 | 1 |
| Janssen Biotech, Inc. | $84.00 | 1 |
| Boston Scientific Corporation | $55.17 | 1 |
| Novo Nordisk Inc | $33.49 | 1 |
What the 2025 payments were for
- Food and Beverage$565.14 · 18 payments
- Education$84.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Chesterfield
- 1053930586
- 1114993664
- 1124098546
- 1194080945
- 1205082633
- 1285635656
- 1356322036
- 1386644326
- 1669472700
- 1790948008
- 1851391890
- 1932629227
All 26 gastroenterologists in Chesterfield · All gastroenterologists in Missouri