Bret D. Andrews, DO
Neurology Physician · Oakland, CA
Bret D. Andrews, DO is a neurology physician with a practice address in Oakland, California, and NPI 1669550463, issued on Nov 1, 2006. Check the license (California 20A7816, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bret D. Andrews
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 20A7816 CA
Self-reported in NPPES; status is on the state search - Practice location
- 275 W Macarthur Blvd, Oakland, CA 94611
- Phone
- (510) 752-1000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00AX78160 CA
- Medicare enrollment
- Enrolled (PECOS I20050331001137); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1996
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 275 W Macarthur Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bilal Abu-Alrub, DOStudent in an Organized Health Care Education/Training Program1609760768
- Walter Acuna, MDInternal Medicine Physician1972655108
- Brett Adams, MDStudent in an Organized Health Care Education/Training Program1841731098
Verify Bret D. Andrews in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average neurology physician in 2024
65 Medicare Part D claims for 41 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Carbidopa-Levodopa16 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
- Permanente Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bret D. Andrews among 2,339 neurology physician records in California
Bret D. Andrews, DO is one of 2,339 neurology 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, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1996 · median 2006 among the 1,628 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Oakland → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Garrick Amgott-Kwan, MDOakland, CA 946111295813061
- Jessica Fan, MDOakland, CA 946111619407707
- Atefeh Hosseini, MDOakland, CA 946111508916321
- Prateek Thatikunta, M.D.Oakland, CA 946111093246670
- Bowen Wong, MDOakland, CA 946111114986742
- Iris Yung, MDOakland, CA 946111013183813
- Lynn Zhang, M.D.Oakland, CA 946111669767554
- Frederic Newton, M.D.Oakland, CA 946121235274192
Common questions
What is Bret D. Andrews, DO's NPI number?
Bret D. Andrews, DO's National Provider Identifier (NPI) is 1669550463, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bret D. Andrews, DO located?
The NPPES record lists a practice address at 275 W Macarthur Blvd, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.
How can I verify Bret D. Andrews, DO's license?
NPPES lists California license number 20A7816, 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 Bret D. Andrews, DO prescribe under Medicare Part D?
In 2024, Bret D. Andrews, DO had 65 Medicare Part D claims for 41 beneficiaries; the average among neurology physician prescribers was 1,370. 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.