Joseph Ryan Leach, MD, PHD
Diagnostic Radiology Physician · San Francisco, CA
Joseph Ryan Leach, MD, PHD is a diagnostic radiology physician with a practice address in San Francisco, California, and NPI 1134548217, issued on Apr 15, 2014. Check the license (California A133699, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Ryan Leach
- Credential
- MD, PHD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A133699 CA
Self-reported in NPPES; status is on the state search - Practice location
- 225 8TH Ave, San Francisco, CA 94118
- Phone
- (415) 312-9843
- Enumerated
- Apr 15, 2014
- Record last updated
- Apr 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180524001653); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Verify Joseph Ryan Leach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Ryan Leach among 4,500 diagnostic radiology physician records in California
Joseph Ryan Leach, MD, PHD 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 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2013 · median 2004 among the 3,130 with a school on file
- Record last updated2020 · 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).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in San Francisco → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Thomas Brown, M.D.San Francisco, CA 941181063451615
- Raymond Cummins, M.D.San Francisco, CA 941181821030768
- Susan Denny, M.D.San Francisco, CA 941181902848112
- Maureen Hogan, M.D.San Francisco, CA 941181629356985
- Naveen Kumar, M.D.San Francisco, CA 941181669554317
- Jay Mall, M.D.San Francisco, CA 941181629016050
- Myron Marx, M.D.San Francisco, CA 941181083657928
- Kirk Moon, M.D.San Francisco, CA 941181295779833
Common questions
What is Joseph Ryan Leach, MD, PHD's NPI number?
Joseph Ryan Leach, MD, PHD's National Provider Identifier (NPI) is 1134548217, issued on Apr 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Ryan Leach, MD, PHD located?
The NPPES record lists a practice address at 225 8TH Ave, San Francisco, CA, 94118. Phone: (415) 312-9843. Providers update this record themselves, so call before visiting.
How can I verify Joseph Ryan Leach, MD, PHD's license?
NPPES lists California license number A133699, 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 Joseph Ryan Leach, MD, PHD's MIPS final score?
The 2023 MIPS final score is 74.5 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.