Wendy O. Buffett, MD
Family Medicine Physician · Berkeley, CA
Wendy O. Buffett, MD is a family medicine physician with a practice address in Berkeley, California, and NPI 1154373165, issued on May 17, 2006. Check the license (California G80799, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wendy O. Buffett
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G80799 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1801 Shattuck Ave Ste A, Berkeley, CA 94709
- Phone
- (888) 663-6331
- Enumerated
- May 17, 2006
- Record last updated
- Mar 17, 2025
- Fax
- (415) 252-7176
- Medicaid ID
- 00G807990 CA
- Medicare enrollment
- Enrolled (PECOS I20080311000686); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1801 Shattuck Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Caro-Bruce, MDFamily Medicine Physician1164633806
- Debra Goettsch, P.A.-CPhysician Assistant1841202165
- Brett London, D.O.Family Medicine Physician1730474933
- Ann Mitchell, NPFamily Nurse Practitioner1598919417
- Laura Wise, M.D.Family Medicine Physician1326234774
- Denise Yun, MDInternal Medicine Physician1770655508
Verify Wendy O. Buffett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G80799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
38 Medicare Part D claims for 17 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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
- One Medical Group IncBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 77 in Berkeley → All 17,133 in California → Every provider in Berkeley →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Wendy O. Buffett, MD's NPI number?
Wendy O. Buffett, MD's National Provider Identifier (NPI) is 1154373165, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wendy O. Buffett, MD located?
The NPPES record lists a practice address at 1801 Shattuck Ave Ste A, Berkeley, CA, 94709. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Wendy O. Buffett, MD's license?
NPPES lists California license number G80799, 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 Wendy O. Buffett, MD prescribe under Medicare Part D?
In 2024, Wendy O. Buffett, MD had 38 Medicare Part D claims for 17 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.