NPPES file of Aug 9, 2026

Patrick R. Ryan, MD

Diagnostic Radiology Physician · Walnut Creek, CA

Patrick R. Ryan, MD is a diagnostic radiology physician with a practice address in Walnut Creek, California, and NPI 1760638118, issued on Aug 15, 2008. Check the license (California A109977, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760638118
Name
Patrick R. Ryan
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A109977 CA
Self-reported in NPPES; status is on the state search
Practice location
2125 Oak Grove RD Ste 200, Walnut Creek, CA 94598
Phone
(310) 619-5106
Enumerated
Aug 15, 2008
Record last updated
Mar 13, 2024
Medicaid ID
0A1099770 CA
Medicare enrollment
Enrolled (PECOS I20130621000110); may accept Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2125 Oak Grove RD Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Courtnay Bloomer, M.D.Neuroradiology Physician1093764565
  2. Jimmy Cardoza, M.D.Diagnostic Radiology Physician1508893710
  3. Huijia ChenDiagnostic Radiology Physician1225458490
  4. George Chu, MDDiagnostic Radiology Physician1952340465
  5. Chul Chung, M.D.Diagnostic Radiology Physician1033552773
  6. Jeffrey Goletz, M.D.Diagnostic Radiology Physician1699098145

Verify Patrick R. Ryan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A109977
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 90.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 6 group practices

  1. Bass Medical GroupAlamo, CA
  2. Bay Imaging Consultants Medical Group IncVallejo, CA
  3. County OF Santa ClaraSan Jose, CA
  4. John Muir Magnetic Imaging CenterConcord, CA
  5. John Muir Trauma Physicians Billing ServiceWalnut Creek, CA
  6. Queens University Medical GroupAlameda, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Patrick R. Ryan among 4,500 diagnostic radiology physician records in California

Patrick R. Ryan, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 36% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2008 · median 2004 among the 3,130 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

98 diagnostic radiology physician records list a practice address in Walnut Creek

They are 98 of the 6,170 NPPES records with a practice address in Walnut Creek, and 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Eric Bain, MDWalnut Creek, CA 945981922047190
  2. Richard Baxter, M.D.Walnut Creek, CA 945981356382956
  3. Robert BinderWalnut Creek, CA 945981942241559
  4. Less Chafen, M.D.Walnut Creek, CA 945981336131689
  5. George Chu, MDWalnut Creek, CA 945981952340465
  6. Sangeeta Gambhir, M.D.Walnut Creek, CA 945981144213299
  7. Molly Honegger, M.D.Walnut Creek, CA 945981780648766
  8. Christopher Krol, MDWalnut Creek, CA 945981114905007

Common questions

What is Patrick R. Ryan, MD's NPI number?

Patrick R. Ryan, MD's National Provider Identifier (NPI) is 1760638118, issued on Aug 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Patrick R. Ryan, MD located?

The NPPES record lists a practice address at 2125 Oak Grove RD Ste 200, Walnut Creek, CA, 94598. Phone: (310) 619-5106. Providers update this record themselves, so call before visiting.

How can I verify Patrick R. Ryan, MD's license?

NPPES lists California license number A109977, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Patrick R. Ryan, MD's MIPS final score?

The 2023 MIPS final score is 90.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.