Jonathan M. Singh, MD
Diagnostic Radiology Physician · Walnut Creek, CA
Jonathan M. Singh, MD is a diagnostic radiology physician with a practice address in Walnut Creek, California, and NPI 1861570368, issued on Nov 1, 2006. Check the license (California A67432, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan M. Singh
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A67432 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1425 S Main St, Walnut Creek, CA 94596
- Phone
- (925) 295-4000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20031229000936); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1997
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 1425 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804
Verify Jonathan M. Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A67432Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan M. Singh among 4,500 diagnostic radiology physician records in California
Jonathan M. Singh, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1997 · median 2004 among the 3,130 with a school on file
- Record last updated2021 · 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.
All 4,500 in California → Every provider in Walnut Creek → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Sidney Chan, MDWalnut Creek, CA 945961427136522
- Lindsay Cheng, MDWalnut Creek, CA 945961861570913
- Amy Cole, DOWalnut Creek, CA 945961497833982
- Victoria Flavell, MDWalnut Creek, CA 945961225116387
- Katherine Fong, MDWalnut Creek, CA 945961740368323
- Katherine Jue, M.D.Walnut Creek, CA 945961225070139
- Collin Mar, MDWalnut Creek, CA 945961538247622
- Jaysheel Mehta, MDWalnut Creek, CA 945961720166804
Common questions
What is Jonathan M. Singh, MD's NPI number?
Jonathan M. Singh, MD's National Provider Identifier (NPI) is 1861570368, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan M. Singh, MD located?
The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.
How can I verify Jonathan M. Singh, MD's license?
NPPES lists California license number A67432, 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.
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.