Quick answers
- Which hospitals does Allison Frere work at?
- Medicare's official clinician data lists Allison Frere at 2 hospitals: MedStar Saint Mary's Hospital and MedStar Southern Maryland Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allison Frere see patients?
- Medicare's clinician data lists 2 practice locations, including Prince Frederick, MD and Charlotte Hall, MD. Call before your visit to confirm the address.
- What is Allison Frere's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Allison Frere accept Medicare assignment?
- Yes. Medicare's clinician data says Allison Frere accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Allison Frere?
- (410) 535-4333, as listed in official Medicare / NPI Registry data.
- What is Allison Frere's NPI number?
- 1033871421. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allison Frere works
Medicare's Facility Affiliation Data lists Allison Frere at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Saint Mary's HospitalLeonardtown, MD · Acute Care Hospital · CCN 210028
- MedStar Southern Maryland Hospital CenterClinton, MD · Acute Care Hospital · CCN 210062
Practice locations
Addresses where Allison Frere is enrolled with Medicare (CMS data updated 2026-10-02).
- 130 Hospital Rd, Suite 300Prince Frederick, MD 20678 (410) 535‑4333
- 37767 Market Dr, Unit 2Charlotte Hall, MD 20622 (301) 884‑7330
Group practices
Medicare enrollment lists Allison Frere as a member of this group (CMS data updated 2026-10-02).
- MedStar Medical Group - Southern Maryland LLC245 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Prince Frederick
Clinicians with the same Medicare primary specialty in Prince Frederick, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033871421 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians