Brett Michael London, D.O.
Family Medicine Physician · Berkeley, CA
Brett Michael London, D.O. is a family medicine physician with a practice address in Berkeley, California, and NPI 1730474933, issued on Jun 15, 2011. Check the license (California 13489, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brett Michael London
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 13489 CA
TL-4021 CO
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
- Jun 15, 2011
- Record last updated
- Dec 17, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20150813010868); accepts Medicare assignment
- 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.
- Wendy Buffett, MDFamily Medicine Physician1154373165
- Emily Caro-Bruce, MDFamily Medicine Physician1164633806
- Debra Goettsch, P.A.-CPhysician Assistant1841202165
- Ann Mitchell, NPFamily Nurse Practitioner1598919417
- Laura Wise, M.D.Family Medicine Physician1326234774
- Denise Yun, MDInternal Medicine Physician1770655508
Verify Brett Michael London in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 13489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average family medicine physician in 2024
741 Medicare Part D claims for 115 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium78 claims
- Atorvastatin Calcium58 claims
- Rosuvastatin Calcium39 claims
- Levothyroxine Sodium33 claims
- Gabapentin31 claims
- Lisinopril28 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.
Industry payments in 2024: $21.79
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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 Brett Michael London, D.O.'s NPI number?
Brett Michael London, D.O.'s National Provider Identifier (NPI) is 1730474933, issued on Jun 15, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Brett Michael London, D.O. 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 Brett Michael London, D.O.'s license?
NPPES lists California license number 13489, 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 Brett Michael London, D.O. prescribe under Medicare Part D?
In 2024, Brett Michael London, D.O. had 741 Medicare Part D claims for 115 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.