Samantha L. Keiter, PAC
NPI 1700215431ActiveIndividual· Physician Assistant, Medical· Prince Frederick, MD
Physician Assistant, Medical (PAC) with Calvert Internal Medicine Group, PA, practicing in Prince Frederick, Maryland. Their prescriptions cost Medicare Part D more than their services did: $429,292 for 3,890 claims, against $194,455 paid for services in 2024. Lists Calverthealth Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1700215431 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PAC |
| Sole proprietor | No |
| NPI issued | Nov 4, 2013 |
| Last updated in NPPES | Aug 11, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | C05217 | 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 - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 467 |
|---|---|
| Services billed | 6,429 across 73 procedure codes |
| Paid by Medicare | $194,455 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,890 · 9,559 30-day fills |
|---|---|
| Patients | 356 |
| Total drug cost | $429,292 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Calvert Internal Medicine Group, PADunkirk, MD · 39 clinicians
Hospital affiliations
- Calverthealth Medical CenterPrince Frederick, MD
- Medstar Saint Mary's HospitalLeonardtown, MD
Other facilities
- HomecallHome health agency · Easton, MD
- Medstar Health Home CareHome health agency · Hyattsville, MD
- Asbury SolomonsNursing home · Solomons, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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