Ali Ahmed Siddiqui, MD
NPI 1265478275ActiveIndividual· Internal Medicine, Gastroenterology· Fairfax, VA
Internal Medicine, Gastroenterology (MD) with Maimonides Faculty Practice Plan, practicing in Fairfax, Virginia. In 2024 Medicare paid $64,339 for 208 patients, and Part D covered 74 of their prescriptions, 81% of them generic. Olympus Corporation of the Americas was the largest of 9 companies reporting payments in 2025, $1,650 in all, mostly food and beverage. Lists Maimonides Medical Center as a hospital affiliation.
Overview
| NPI | 1265478275 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2006 |
| Last updated in NPPES | Aug 24, 2023 |
| Certified by provider | Aug 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 0101274422 | VA |
| Internal Medicine, Gastroenterology | 207RG0100X | 41307 | TX |
| Internal Medicine, Gastroenterology | 207RG0100X | C156639 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | 291092 | MA |
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 (CA); Practitioner - Gastroenterology (DC); Practitioner - Gastroenterology (MI); Practitioner - Gastroenterology (NY); Practitioner - Gastroenterology (PA); Practitioner - Gastroenterology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 431 across 57 procedure codes |
| Paid by Medicare | $64,339 |
Part D prescriptions in 2024
| Prescriptions (claims) | 74 · 108 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $14,603 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Maimonides Faculty Practice PlanBrooklyn, NY · 252 clinicians
Hospital affiliation
- Maimonides Medical CenterBrooklyn, NY
Industry payments (Open Payments)
- 2025$1,650 · 23 payments from 9 companies
- 2024$40,679 · 60 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation of the Americas | $500.93 | 11 |
| Boston Scientific Corporation | $251.07 | 4 |
| Fujifilm Healthcare Americas Corporation | $192.04 | 1 |
| Steris Corporation | $176.30 | 1 |
| Janssen Biotech, Inc. | $150.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,232 · 18 payments
- Travel and Lodging$417.99 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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