Medical Physician Assistant

NUCC 363AM0700X · Physician Assistant

40,580 CMS NPPES-registered providers across 55 states · 45th of 690 specialties by headcount.

40,580
Providers
CMS NPPES-registered
55
States
with ≥1 NPI
New York
Top state
3,806 providers
$1K
Open Pay avg
266th of 552 specialties

Where this specialty sits in the corpus

Medical Physician Assistant ranks 45th of 690 NUCC specialties by CMS NPPES headcount (0.57% of all registered NPIs), densest in New York; per resident Alaska leads.

40,580
NPPES providers in specialty
45th
of 690 specialties
451
state-share HHI
60.8%
Part D prescriber share

Alaska is densest per capita (2.5× the national rate; Pennsylvania 2.5×); 19.5% of the Physician Assistant category.

Taxonomy fingerprint

Medical Physician Assistant (NUCC 363AM0700X; 60.8% Part D prescribers (24,673 of 40,580); avg 1,077 Part D claims/prescriber (123rd of 567); Open Payments avg $1K/physician (266th of 552; 17,090 paid, $18.1M total); state-share HHI 451; next-larger headcount neighbor Psychiatric/Mental Health Nurse Practitioner (+196); next-smaller Diagnostic Radiology Physician (-1,029)).

Next larger: Psychiatric/Mental Health Nurse Practitioner (40,776) Next smaller: Diagnostic Radiology Physician (39,551)

Population-adjusted state index

Each multiple is this specialty's providers-per-resident in a state divided by the national rate (Census Vintage population estimates). Raw headcount favors large states; this ranking surfaces denser markets.

Over-indexed vs national rate

Under-indexed vs national rate

Which states have the most providers?

#StateProviders
1New York3,806
2Pennsylvania3,805
3California3,411
4Florida2,867
5Texas2,340
6North Carolina1,743
7Georgia1,315
8Michigan1,302
9Washington1,160
10Colorado1,116
11Arizona1,054
12Virginia1,020
13Massachusetts913
14Maryland901
15Connecticut897

Top Cities for Medical Physician Assistant

#CityProviders
1New YorkNew York629
2PittsburghPennsylvania527
3RochesterNew York490
4PhiladelphiaPennsylvania482
5BrooklynNew York315
6HoustonTexas290
7AtlantaGeorgia282
8PhoenixArizona256
9DallasTexas249
10AllentownPennsylvania239
11OrlandoFlorida237
12AuroraColorado235

Sample Medical Physician Assistant NPIs

A directory sample from this NUCC code (not a ranking). Names and locations are unique to this taxonomy.

#Provider
1Susan Stewart, P.A.-CWailuku, HI
2Sarah Zichella, PA-CSacramento, CA
3Sharon Young, PA-CCalipatria, CA
4Angela Seeds, PA-CLa Grande, OR
5Mary Jo Hart, PA-CGeorgetown, TX
6Krista Braud, PA-CEnid, OK
7Martina Frost, PA-CTucson, AZ
8Jeffrey Kauppi, PADickson, TN
9Richard Preciado, PA-CLos Angeles, CA
10Pauline Kahng, PABomoseen, VT
11Eric Neadel, R, PA-CMiddletown, CT
12Frederick Bowles, PA-CLas Vegas, NV
13Paul Stamer, PA-CTucson, AZ
14Luis Rodas, PALauderdale By The Sea, FL
15Larissa Kahle, P.A.-CCincinnati, OH
16Carol Scott, PABaltimore, MD
17Jennifer Harrington, PA-CWilliamsburg, KY
18April Dunning, PAPaducah, KY

Adjacent specialties in the NUCC Health Care Provider Taxonomy - same Physician Assistant category.

Compare Medical Physician Assistant vs Physician Assistant →

Frequently Asked Questions

How many Medical Physician Assistant providers are in the US?
There are 40,580 Medical Physician Assistant providers registered in the CMS NPPES database across 55 US states and territories. New York has the most with 3,806 providers. Leading metros include New York, NY; Pittsburgh, PA; Rochester, NY; Philadelphia, PA. Among 690 NUCC specialties, this code ranks 45th by headcount.
Do Medical Physician Assistant clinicians appear in Open Payments?
CMS Open Payments 2024 lists 17,090 Medical Physician Assistant physicians receiving industry payments totaling $18.1M (415,102 payments; average $1K per paid physician, 266th of 552 specialties by average). Presence in Open Payments is not a quality judgment.
How much Part D prescribing does this specialty do?
Among Medical Physician Assistant NPIs, 24,673 appear in the Medicare Part D Prescriber PUF (average 1,077 claims and $183K drug cost per prescriber; 123rd of 567 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
Data sources and methodology

Provider data from CMS NPPES (download.cms.gov/nppes). Specialty classification from NUCC Health Care Provider Taxonomy (nucc.org). Part D averages from the CMS Medicare Part D Prescriber PUF; industry payments from CMS Open Payments 2024. Counts reflect self-designated primary taxonomy at NPI enrollment. PlainDoctor does not rate or rank providers. Methodology · About

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-20.