Irfan Ahsan Khan, MD
NPI 1033186531ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Greenbelt, MD
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Greenbelt, Maryland, trained at University of Massachusetts Medical School (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $2,357,295 for 3,380 claims, against $260,960 paid for services in 2024. Cequr Corporation was the largest of 24 companies reporting payments in 2025, $1,954 in all, mostly food and beverage.
Overview
| NPI | 1033186531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 2, 2006 |
| Last updated in NPPES | Oct 3, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | D0061462 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,055 |
|---|---|
| Services billed | 6,819 across 18 procedure codes |
| Paid by Medicare | $260,960 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,380 · 8,120 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $2,357,295 |
| Generic share | 41% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Privia Medical Group, LLCFairfax, VA · 1,533 clinicians
Industry payments (Open Payments)
- 2025$1,954 · 85 payments from 24 companies
- 2024$2,250 · 96 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cequr Corporation | $367.77 | 13 |
| Novo Nordisk Inc | $208.80 | 10 |
| Corcept Therapeutics | $190.59 | 8 |
| Lilly USA, LLC | $174.35 | 9 |
| Amphastar Pharmaceuticals, Inc. | $121.99 | 6 |
What the 2025 payments were for
- Food and Beverage$1,954 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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