Ryan Henry Villamater, PA
Surgical Physician Assistant · Los Angeles, CA
Ryan Henry Villamater, PA is a surgical physician assistant with a practice address in Los Angeles, California, and NPI 1659451201, issued on Oct 17, 2006. Check the license (California PA19639, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Henry Villamater
- Credential
- PA
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA19639 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Ucla Medical Plz Ste 630, Los Angeles, CA 90024
- Phone
- (310) 825-9011
- Enumerated
- Oct 17, 2006
- Record last updated
- Jan 25, 2024
- Medicaid ID
- 0PA196390 CA
- Medicare enrollment
- Enrolled (PECOS I20081210000575); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 100 Ucla Medical Plz Ste 630
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan Henry Villamater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $253.24
4 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Henry Villamater among 1,075 surgical physician assistant records in California
Ryan Henry Villamater, PA is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · median 2012 among the 649 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Los Angeles → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Jin Sun Choi, PALos Angeles, CA 900241417039694
- Valerie Freeman, PALos Angeles, CA 900241033355789
- Elliot Bright, PA-CLos Angeles, CA 900251205383304
- Jennifer Cabrera, PA-CLos Angeles, CA 900251144459629
- Joseph A Barresi, PA-CLos Angeles, CA 900271235211418
- Melanie Brzozka, PA-CLos Angeles, CA 900271104124999
- Wesley Gretah, PALos Angeles, CA 900271720528318
- Han Hadacek, PA-CLos Angeles, CA 900271841715844
Common questions
What is Ryan Henry Villamater, PA's NPI number?
Ryan Henry Villamater, PA's National Provider Identifier (NPI) is 1659451201, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Henry Villamater, PA located?
The NPPES record lists a practice address at 100 Ucla Medical Plz Ste 630, Los Angeles, CA, 90024. Phone: (310) 825-9011. Providers update this record themselves, so call before visiting.
How can I verify Ryan Henry Villamater, PA's license?
NPPES lists California license number PA19639, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.