Ryan Villamater, PA
NPI 1659451201 · Surgical Physician Assistant · Los Angeles, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Villamater, PA is a Surgical Physician Assistant provider in Los Angeles, CA (NPI 1659451201).
Provider details
- NPI number
- 1659451201
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA19639 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$253 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2024-01-25
- Certified
- 2024-01-25
Frequently asked questions
- What is Ryan Villamater's NPI number?
- Ryan Villamater's National Provider Identifier (NPI) is 1659451201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Villamater's specialty?
- Ryan Villamater is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Villamater located?
- Ryan Villamater's practice location on file with NPPES is 100 Ucla Medical Plz Ste 630, Los Angeles, CA 90024-6997.
- What is Ryan Villamater's phone number?
- The practice phone number listed in the NPPES registry for Ryan Villamater is (310) 825-9011.
- Does Ryan Villamater accept Medicare?
- Ryan Villamater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Villamater's NPI active?
- Yes — Ryan Villamater's NPI (1659451201) is active in the NPPES registry as of the last update on 2024-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.