Margaret Shea, PA-C
NPI 1356839849 · Physician Assistant · Germantown, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Shea, PA-C is a Physician Assistant provider in Germantown, MD (NPI 1356839849).
Provider details
- NPI number
- 1356839849
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- C06863 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
186 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Replacement of Knee Joint, Both Sides of Knee27447 | 54 | $187 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $118 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 26 | $192 |
| X-Ray of Hip, 2-3 Views73502 | 24 | $45 |
| X-Ray of Knee, 4 Or More Views73564 | 20 | $46 |
| X-Ray of Knee, 3 Views73562 | 13 | $40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-30
- Last updated
- 2023-12-07
- Certified
- 2023-12-07
Frequently asked questions
- What is Margaret Shea's NPI number?
- Margaret Shea's National Provider Identifier (NPI) is 1356839849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Shea's specialty?
- Margaret Shea is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Shea located?
- Margaret Shea's practice location on file with NPPES is 20410 Observation Dr Ste 102, Germantown, MD 20876-6424.
- What is Margaret Shea's phone number?
- The practice phone number listed in the NPPES registry for Margaret Shea is (202) 835-2222.
- Does Margaret Shea accept Medicare?
- Margaret Shea is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Shea's NPI active?
- Yes — Margaret Shea's NPI (1356839849) is active in the NPPES registry as of the last update on 2023-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.