Michael Simon Dahan
NPI 1083288435ActiveIndividual· Physician Assistant· Washington, DC
Physician Assistant with Medstar Medical Group II LLC, practicing in Washington, District of Columbia. Their prescriptions cost Medicare Part D more than their services did: $14,008 for 152 claims, against $1,886 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $37.89 in payments in 2025, mostly food and beverage. Lists Medstar Washington Hospital Center as a hospital affiliation.
Overview
| NPI | 1083288435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 19, 2021 |
| Last updated in NPPES | Sep 2, 2021 |
| Certified by provider | Sep 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | CA210001189 | DC |
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 - Physician Assistant (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 24 across 5 procedure codes |
| Paid by Medicare | $1,886 |
Part D prescriptions in 2024
| Prescriptions (claims) | 152 · 176 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $14,008 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliation
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$37.89 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $37.89 | 3 |
What the 2025 payments were for
- Food and Beverage$37.89 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Washington
- 1003958208
- 1013302892
- 1013481753
- 1023308269
- 1033459490
- 1033687389
- 1033821822
- 1033880737
- 1043884943
- 1053367441
- 1093059503
- 1093245557
All 552 physician assistants in Washington · All physician assistants in District of Columbia