Diane Groth Mimran, MD
Emergency Medicine Physician · San Ramon, CA
Diane Groth Mimran, MD is an emergency medicine physician with a practice address in San Ramon, California, and NPI 1285670877, issued on Jun 21, 2006. Check the license (California A91557, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diane Groth Mimran
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A91557 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6001 Norris Canyon RD, San Ramon, CA 94583
- Phone
- (925) 275-8282
- Enumerated
- Jun 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050811000385); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 6001 Norris Canyon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Miguel Ayala, NPFamily Nurse Practitioner1538446448
- Bailey BrewerHand Occupational Therapist1720294648
- Carl Critz, MDCytopathology Physician1740232107
- Gerardine Cruz, PA-CSurgical Physician Assistant1619104601
Verify Diane Groth Mimran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average emergency medicine physician in 2024
169 Medicare Part D claims for 121 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Cephalexin23 claims
- Hydrocodone-Acetaminophen22 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.
Bills Medicare through one group practice
- Team Physicians OF Northern California Medical Group IncSan Ramon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Groth Mimran among 7,751 emergency medicine physician records in California
Diane Groth Mimran, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2011 among the 4,560 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Ramon → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Saba Haq, MDSan Ramon, CA 945831669460085
- Samuel Katz, M.D.San Ramon, CA 945831447469424
- Monica Rosenthal, MDSan Ramon, CA 945831295783744
- Amanda Stephenson, MDSan Ramon, CA 945831609172451
- Heng Tang, M.D.San Ramon, CA 945831801185467
- Randeep Thiara, M.D.San Ramon, CA 945831578853297
- Joseph Toscano, M.D.San Ramon, CA 945831619944360
- Harold Wilkie, MDSan Ramon, CA 945831629161971
Common questions
What is Diane Groth Mimran, MD's NPI number?
Diane Groth Mimran, MD's National Provider Identifier (NPI) is 1285670877, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Groth Mimran, MD located?
The NPPES record lists a practice address at 6001 Norris Canyon RD, San Ramon, CA, 94583. Phone: (925) 275-8282. Providers update this record themselves, so call before visiting.
How can I verify Diane Groth Mimran, MD's license?
NPPES lists California license number A91557, 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 Diane Groth Mimran, MD prescribe under Medicare Part D?
In 2024, Diane Groth Mimran, MD had 169 Medicare Part D claims for 121 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.