Aissatou Haman, MD
NPI 1841585700ActiveIndividual· Internal Medicine· San Francisco, CA
Internal Medicine (MD) with Aissatou Haman MD Inc, practicing in San Francisco, California. Their prescriptions cost Medicare Part D more than their services did: $639,230 for 9,337 claims, against $137,581 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 3 companies reporting payments in 2025, $127.45 in all, mostly food and beverage. Lists California Pacific Medical Center- Van Ness Campus and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1841585700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 17, 2011 |
| Last updated in NPPES | Jun 17, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A115745 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 321 |
|---|---|
| Services billed | 1,475 across 35 procedure codes |
| Paid by Medicare | $137,581 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,337 · 13,076 30-day fills |
|---|---|
| Patients | 381 |
| Total drug cost | $639,230 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Aissatou Haman MD IncSan Francisco, CA · 2 clinicians
Hospital affiliations
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- Peninsula Medical CenterBurlingame, CA
- UCSF Health Saint Francis HospitalSan Francisco, CA
- UCSF Health St. Mary's HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Anx Home HealthcareHome health agency · Burlingame, CA
- Healthflex Home Health ServicesHome health agency · Oakland, CA
- Jewish Home & Rehab Center D/P SnfNursing home · San Francisco, CA
- San Francisco TowersNursing home · San Francisco, CA
- The TamalpaisNursing home · Greenbrae, CA
Industry payments (Open Payments)
- 2025$127.45 · 4 payments from 3 companies
- 2024$117.58 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $74.82 | 2 |
| Astrazeneca Pharmaceuticals LP | $27.27 | 1 |
| Pfizer Inc. | $25.36 | 1 |
What the 2025 payments were for
- Food and Beverage$127.45 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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