Mark Ammaan Major, M.D.
NPI 1407032485ActiveIndividual· Family Medicine· Silver Spring, MD
Family Medicine (M.D.) in Silver Spring, Maryland, trained at Howard University College of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $485,457 for 2,942 claims, against $198,173 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $319.42 in all, mostly food and beverage.
Overview
| NPI | 1407032485 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 21, 2008 |
| Last updated in NPPES | Jul 30, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | D0064592 | MD |
| Family Medicine | 207Q00000X | MD036021 | DC |
| Clinic/Center, Urgent Care | 261QU0200X | — | MD |
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 - Family Practice (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 297 |
|---|---|
| Services billed | 4,002 across 56 procedure codes |
| Paid by Medicare | $198,173 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,942 · 5,910 30-day fills |
|---|---|
| Patients | 395 |
| Total drug cost | $485,457 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Family Practice |
| Secondary specialties | Diagnostic Radiology |
| Telehealth | Offers telehealth |
Other facilities
- Holy Cross Home Care and HospiceHome health agency · Silver Spring, MD
Industry payments (Open Payments)
- 2025$319.42 · 14 payments from 7 companies
- 2024$1,373 · 57 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $100.22 | 5 |
| Lilly USA, LLC | $74.39 | 3 |
| Astrazeneca Pharmaceuticals LP | $49.92 | 2 |
| Pfizer Inc. | $38.53 | 1 |
| Gilead Sciences, Inc. | $20.82 | 1 |
What the 2025 payments were for
- Food and Beverage$319.42 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 125 family medicine physicians in Silver Spring · All family medicine physicians in Maryland