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MARGARET MACKENZIE SHEA PA-C
NPI 1356839849
Physician Assistant in Germantown, MD

Active since April 30, 2018PECOS Enrolled
86.1/100
CMS Quality Rating
20410 OBSERVATION DR STE 102, GERMANTOWN, MD 20876(202) 835-2222 Get Directions Write a Review

NPPES record last updated: December 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 7, 2023, Nov 25, 2020, Sep 24, 2019 and 2 more (5 updates tracked since 2018).

About Margaret Mackenzie Shea Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET MACKENZIE SHEA PA-C (NPI 1356839849) is an individual physician assistant in Germantown, Maryland, licensed in Maryland (C06863) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356839849
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARGARET MACKENZIE SHEACredential: PA-C
Location Address20410 OBSERVATION DR STE 102Germantown, MD 20876-6424
Mailing Address20410 Observation Dr Ste 102Germantown, MD 20876-6424 · (202) 835-2222
Phone(202) 835-2222
Sole ProprietorNo
Enumeration DateApril 30, 2018
Last NPPES UpdateDecember 7, 20235 updates tracked since enumeration
NPPES CertifiedDecember 7, 2023
✔ NPI 1356839849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in MD · C06863✔ Licensed in DC · PA031663
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
20410 OBSERVATION DR STE 102, Germantown, MD 20876
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Mackenzie Shea Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
54 services50 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
49 services43 patients
Replacement of thigh bone and hip joint with prosthesis 27130
This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.
26 services26 patients
X-ray of hip, 2-3 views 73502
An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.
24 services20 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
20 services19 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20876 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.68
Promoting Interoperability100
Improvement Activities40
Cost64

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRADLEY GELFAND MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
20410 OBSERVATION DR STE 102
GERMANTOWN, MD 20876
Montgomery County (202) 835-2222
CENTERS FOR ADVANCED ORTHOPAEDICS, LLC
Orthopaedic Surgery
20410 OBSERVATION DR STE 102
GERMANTOWN, MD 20876
Montgomery County (202) 835-2222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Shea's NPI number?

The NPI number for Margaret Shea is 1356839849. It was assigned to this individual provider in the NPPES registry on April 30, 2018.

Where is Margaret Shea located?

Margaret Shea practices at 20410 Observation Dr Ste 102, Germantown, MD 20876. The listed phone number is (202) 835-2222.

What is Margaret Shea's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Margaret Shea enrolled in Medicare?

Yes. Margaret Shea is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Margaret Shea was last updated on December 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.