Don Weinreich, MD
Family Medicine Physician · Berkeley, CA
Don Weinreich, MD is a family medicine physician with a practice address in Berkeley, California, and NPI 1053380519, issued on Mar 16, 2006. Check the license (California A66461, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Don Weinreich
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A66461 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Colby St, Berkeley, CA 94705
- Phone
- (510) 848-5310
- Enumerated
- Mar 16, 2006
- Record last updated
- Dec 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (510) 848-5510
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3000 Colby St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Don Weinreich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family medicine physician in 2024
2,280 Medicare Part D claims for 235 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium166 claims
- Amlodipine Besylate137 claims
- Gabapentin126 claims
- Metoprolol Succinate87 claims
- Metformin Hcl86 claims
- Losartan Potassium78 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.
Don Weinreich among 17,133 family medicine physician records in California
Don Weinreich, MD is one of 17,133 family 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 family medicine physician records list a practice address in Berkeley
They are 77 of the 4,898 NPPES records with a practice address in Berkeley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Berkeley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gordon Benner, M.D.Berkeley, CA 947051861436529
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- James Eichel, MDBerkeley, CA 947051811956469
- Roxanne Fiscella, MDBerkeley, CA 947051598866170
- Stephen Hart, MDBerkeley, CA 947051639258692
- Donna Jacobsen, D. O.Berkeley, CA 947051801997051
- Natalie Karishev, MDBerkeley, CA 947051891800124
- Shannon McCune, M.D.Berkeley, CA 947051437236163
Common questions
What is Don Weinreich, MD's NPI number?
Don Weinreich, MD's National Provider Identifier (NPI) is 1053380519, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Don Weinreich, MD located?
The NPPES record lists a practice address at 3000 Colby St, Berkeley, CA, 94705. Phone: (510) 848-5310. Providers update this record themselves, so call before visiting.
How can I verify Don Weinreich, MD's license?
NPPES lists California license number A66461, 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 Don Weinreich, MD prescribe under Medicare Part D?
In 2024, Don Weinreich, MD had 2,280 Medicare Part D claims for 235 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.