Physician assistants in the United States
- Physician assistants
- 39,200
- Linked to a hospital or group
- 29,572
- Hospitals with a physician assistant
- 3,947
- Medical groups with a physician assistant
- 14,167
- States and territories
- 55
There are 39,200 physician assistants in the US. Pennsylvania has the most, 3,713, and Lehigh Valley Hospital-Cedar Crest has the most affiliated physician assistants of any hospital, 361. 25% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 39,200 US physician assistants
Validated work emails and mobile numbers for US physician assistants, found through healthcare waterfall enrichment, with a free Dmand AI account.
Pennsylvania has the most physician assistants, with 3,713
There are 39,200 physician assistants in the US, according to Dmand AI data. New York is second with 3,627, and California third with 3,491.
Physician assistants in every other state and territory
- Washington1,043
- Arizona998
- Virginia971
- Massachusetts890
- Ohio866
- Maryland842
- New Jersey824
- Oregon735
- Illinois730
- Wisconsin704
- Tennessee626
- Oklahoma511
- South Carolina484
- Minnesota476
- Indiana398
- Utah396
- Idaho378
- Louisiana350
- West Virginia338
- Missouri332
- Nevada317
- Kentucky313
- Nebraska299
- Montana277
- Kansas272
- New Mexico270
- Alaska255
- Maine245
- Iowa243
- Alabama240
- New Hampshire237
- Puerto Rico205
- Washington, DC170
- Arkansas169
- Delaware132
- Hawaii122
- Vermont118
- Rhode Island118
- North Dakota102
- South Dakota94
- Wyoming91
- Mississippi77
- Northern Mariana Islands5
- U.S. Virgin Islands3
- Guam1
Source: NPPES NPI Registry (CMS)
For health IT teams
Dmand AI has the EHR for 31,588 of 39,200 US physician assistants, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Lehigh Valley Physician Group (LVPG) has the most physician assistants of any US medical group, with 439
University of Pittsburgh Physicians, Department of Radiology is second with 379, and University of Colorado Medicine (CU Medicine) third with 371. Counts are physician assistants linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Lehigh Valley Hospital-Cedar Crest has the most affiliated physician assistants of any US hospital, with 361
UCHealth University of Colorado Hospital in Aurora is second with 246, and Hartford Hospital third with 215. US physician assistants are affiliated with 3,947 hospitals in all.
See every hospital and group for each US physician assistant
Each public profile names one place a physician assistant practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
20,801 US physician assistants practice at a hospital, the most common site of care
17,258 also practice at a medical group site, and 1,517 at home health agencies. A physician assistant can practice at several kinds of site, so the shares overlap.
US physician assistants by site of care
- Hospitals20,801
- Medical group practices17,258
- Home health agencies1,517
- Urgent care centers1,408
- FQHCs1,393
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
25% of US physician assistants finished medical school 30 or more years ago
1 of the 4 US physician assistants with a graduation year on file. 1 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago1
- 10 to 19 years ago0
- 20 to 29 years ago2
- 30 to 39 years ago0
- 40 or more years ago1
Source: Dmand AI Professional Profile Data
Every US physician assistant profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the US physician assistant directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Physician assistants are HCPs whose primary specialty is medical physician assistant (taxonomy code 363AM0700X), with an active NPI and a US practice address.
FAQ
Frequently asked questions about physician assistants in the US
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many physician assistants are in the US?
39,200 physician assistants have an active NPI, a US practice address and medical physician assistant (taxonomy code 363AM0700X) as their primary specialty. 29,572 of them are linked to a hospital or medical group.
Which state has the most physician assistants?
Pennsylvania, with 3,713, followed by New York with 3,627 and California with 3,491.
Which medical groups have the most physician assistants?
Lehigh Valley Physician Group (LVPG), with 439, followed by University of Pittsburgh Physicians, Department of Radiology with 379 and University of Colorado Medicine (CU Medicine) with 371.
Which hospitals have the most physician assistants?
Lehigh Valley Hospital-Cedar Crest, with 361 affiliated physician assistants, followed by UCHealth University of Colorado Hospital with 246 and Hartford Hospital with 215.
How many US physician assistants finished medical school 30 or more years ago?
1 of the 4 with a graduation year on file, or 25%. 1 graduated in the last 10 years.
What is the taxonomy code for medical physician assistant?
363AM0700X is the NPPES taxonomy code for medical physician assistant. Sub-specialties with their own code are counted on their own lists.
Dmand AI
Find the right contacts among US physician assistants
Search 39,200 US physician assistants by state, hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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