Richard Sigel, M.D.
Diagnostic Radiology Physician · Walnut Creek, CA
Richard Sigel, M.D. is a diagnostic radiology physician with a practice address in Walnut Creek, California, and NPI 1720020902, issued on Jun 12, 2006. Check the license (California G20803, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Sigel
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G20803 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2125 Oak Grove RD, Walnut Creek, CA 94598
- Phone
- (925) 296-7150
- Enumerated
- Jun 12, 2006
- Record last updated
- Apr 2, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (925) 296-7171
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 2125 Oak Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Baxter, M.D.Diagnostic Radiology Physician1356382956
- Robert BinderDiagnostic Radiology Physician1942241559
- Kimberly Blumberg, M.DDiagnostic Radiology Physician1316979925
- James Branscom, M.D.Diagnostic Radiology Physician1558304451
- Less Chafen, M.D.Diagnostic Radiology Physician1336131689
- Joseph Chan, M.D.Diagnostic Radiology Physician1043256720
Verify Richard Sigel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G20803Check 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): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Richard Sigel among 4,500 diagnostic radiology physician records in California
Richard Sigel, M.D. 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 fileNo · 70% of these records are
- Record last updated2015 · 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
- Eric Bain, MDWalnut Creek, CA 945981922047190
- Richard Baxter, M.D.Walnut Creek, CA 945981356382956
- Robert BinderWalnut Creek, CA 945981942241559
- Less Chafen, M.D.Walnut Creek, CA 945981336131689
- George Chu, MDWalnut Creek, CA 945981952340465
- Sangeeta Gambhir, M.D.Walnut Creek, CA 945981144213299
- Molly Honegger, M.D.Walnut Creek, CA 945981780648766
- Christopher Krol, MDWalnut Creek, CA 945981114905007
Common questions
What is Richard Sigel, M.D.'s NPI number?
Richard Sigel, M.D.'s National Provider Identifier (NPI) is 1720020902, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Sigel, M.D. located?
The NPPES record lists a practice address at 2125 Oak Grove RD, Walnut Creek, CA, 94598. Phone: (925) 296-7150. Providers update this record themselves, so call before visiting.
How can I verify Richard Sigel, M.D.'s license?
NPPES lists California license number G20803, 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 Richard Sigel, M.D.'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.