Ryan Henry Villamater, PA

  • Los Angeles, CA
  • Surgical physician assistant
NPI1659451201
MIPS score, 2024
100
Hospital affiliations
1
Industry payments
$335
Medical group
1
State license
1
Practice address
757 Westwood Plaza, Los Angeles, CA 90095
Practice phone
Call (310) 825-6301
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ronald Reagan UCLA Medical Center

Hospital · Los Angeles, California

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Ryan Henry Villamater is a surgical physician assistant in Los Angeles, California

Ryan Villamater practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.

Ryan Villamater's NPI, 1659451201, was assigned on October 17, 2006. Ryan Villamater holds California license PA19639.

NPI and contact details
NPI enumeration date
October 17, 2006
NPI status
Active
Practice phone
(310) 825-6301
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Ryan Henry Villamater practices at Ronald Reagan UCLA Medical Center in Los Angeles, California

Ryan Villamater's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.

Source: Dmand AI Affiliation Data

Ryan Henry Villamater is affiliated with 2 sites of care and 1 medical group

Ryan Villamater's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. The medical group on file is UCLA Cardiothoracic Surgery Associates. Dmand AI also links Ryan Villamater to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Ryan Villamater

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Ryan Henry Villamater's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Villamater practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ronald Reagan UCLA Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Ryan Henry Villamater is one of 883 surgical physician assistants in California

Surgical is Ryan Villamater's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Ryan Villamater is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Ryan Villamater is licensed in California.

Specialties and state licenses

  • Surgical physician assistant, CaliforniaPrimaryLicense PA19639 · taxonomy 363AS0400X

Surgical physician assistants near Ryan Villamater

Counts of surgical physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Ryan Henry Villamater's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Ryan Villamater's median patient age at 62, with 19% women.

Ryan Villamater's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women19%
  • Men79%

Source: Dmand AI Patient Panel Data

Ryan Henry Villamater scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Ryan Villamater for performance year 2024, reported as part of a group.

Ryan Villamater's MIPS scores, performance year 2024

  • 100of 100Final score
  • 93.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 80of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

Ryan Henry Villamater received $335 in industry payments from 2024 to 2025

CMS Open Payments shows 6 general payments to Ryan Villamater from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $175.

General payments to Ryan Villamater by program year, 2024 to 2025

Companies that paid Ryan Villamater the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Ryan Villamater

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Ryan Henry Villamater is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Ryan Henry Villamater's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ryan Henry Villamater

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ryan Henry Villamater's NPI number?

Ryan Henry Villamater's NPI number is 1659451201. It was assigned on October 17, 2006, and it is active in the NPI Registry.

What does Ryan Henry Villamater specialize in?

Ryan Henry Villamater is a surgical physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).

Where does Ryan Henry Villamater practice?

Ryan Villamater practices at 757 Westwood Plaza, Los Angeles, CA 90095. Ryan Villamater's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dmand AI also links Ryan Villamater to 1 group practice or clinic.

What is Ryan Henry Villamater's office phone number?

The practice phone on file for Ryan Villamater is (310) 825-6301.

What is Ryan Henry Villamater's medical license number?

Ryan Villamater holds California license PA19639.

Which hospitals is Ryan Henry Villamater affiliated with?

Ryan Villamater practices at Ronald Reagan UCLA Medical Center in Los Angeles, California.

What medical group is Ryan Henry Villamater part of?

Ryan Villamater is linked to UCLA Cardiothoracic Surgery Associates.

What is Ryan Henry Villamater's MIPS score?

Ryan Villamater's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

Is Ryan Henry Villamater board certified?

Yes. Ryan Villamater is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

Has Ryan Henry Villamater received payments from drug or device companies?

CMS Open Payments shows $335 in general payments to Ryan Villamater from 3 companies from 2024 to 2025. The largest total came from AtriCure, Inc.

How long has Ryan Henry Villamater been practicing?

Ryan Villamater graduated from medical school in 2006, 20 years ago.

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