Richard R. Unger, MD
Internal Medicine Physician · Orinda, CA
Richard R. Unger, MD is an internal medicine physician with a practice address in Orinda, California, and NPI 1942388079, issued on Nov 2, 2006. Check the license (California G66059, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard R. Unger
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G66059 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12 Camino Encinas, Orinda, CA 94563
- Phone
- (510) 204-8166
- Enumerated
- Nov 2, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (510) 506-7724
- Medicaid ID
- 00G660590 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 12 Camino Encinas
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard R. Unger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
136 Medicare Part D claims for 73 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Adacel Tdap12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Richard R. Unger among 17,696 internal medicine physician records in California
Richard R. Unger, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 internal medicine physician records list a practice address in Orinda
They are 21 of the 278 NPPES records with a practice address in Orinda, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Orinda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jyothi Bachwani, M.D.Orinda, CA 945631659489979
- Michelle Bricker, M.D.Orinda, CA 945631952353963
- Sandra Goldstein, M.D.Orinda, CA 945631467496984
- Michele Herman, M.D.Orinda, CA 945631588600753
- Melvin Huie, M.D.Orinda, CA 945631376501551
- Anita Krishnamurthy, M.D.Orinda, CA 945631811973092
- Mary Miller, M.D.Orinda, CA 945631235245770
- Michelle Ong, M.D.Orinda, CA 945631871671594
Common questions
What is Richard R. Unger, MD's NPI number?
Richard R. Unger, MD's National Provider Identifier (NPI) is 1942388079, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard R. Unger, MD located?
The NPPES record lists a practice address at 12 Camino Encinas, Orinda, CA, 94563. Phone: (510) 204-8166. Providers update this record themselves, so call before visiting.
How can I verify Richard R. Unger, MD's license?
NPPES lists California license number G66059, 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.
How much does Richard R. Unger, MD prescribe under Medicare Part D?
In 2024, Richard R. Unger, MD had 136 Medicare Part D claims for 73 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.