Andrea Minor Thach, M.D.
Hospice and Palliative Medicine (Internal Medicine) Physician · Oakland, CA
Andrea Minor Thach, M.D. is a hospice and palliative medicine (internal medicine) physician with a practice address in Oakland, California, and NPI 1265484240, issued on May 17, 2006. Check the license (California G53457, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrea Minor Thach
- Credential
- M.D.
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License numbers
- G53457 CA
53457 CA
MD00021008 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Summit St FL 2, Oakland, CA 94609
- Phone
- (510) 204-3410
- Enumerated
- May 17, 2006
- Record last updated
- Sep 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (510) 204-3411
- Medicare enrollment
- Enrolled (PECOS I20110502000669); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 260 in California → Look up another NPI →
Also registered at 3100 Summit St FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas AzevedoClinical Social Worker1174165369
- Lisa King, FNPNurse Practitioner1881129369
- Tricia Smallwood, NPGerontology Nurse Practitioner1245051242
- Mathew Sommers, NPPrimary Care Nurse Practitioner1467188516
- Elsa Petronella Van Berry, CRYT, RN, MSN,FNP-BCFamily Nurse Practitioner1083042162
Verify Andrea Minor Thach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
91 Medicare Part D claims for 39 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 31 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen11 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
- Sutter Bay Medical FoundationBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea Minor Thach among 260 hospice and palliative medicine (internal medicine) physician records in California
Andrea Minor Thach, M.D. is one of 260 hospice and palliative medicine (internal medicine) physician records with a practice address in California. 87% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 75% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1982 · median 2010 among the 193 with a school on file
- Record last updated2020 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in California
There are 260 hospice and palliative medicine (internal medicine) physician records in California.
All 260 in California → Every provider in Oakland → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Laura Battle, M.D.Oakland, CA 946091770826869
- Andrew Bosomworth, DOOakland, CA 946091992384549
- Sonja Kassuba, MDOakland, CA 946091801844881
- Bradley Stuart, M.D.Emeryville, CA 946081972537413
- Laura Cantino, MDOakland, CA 946111811330632
- Spencer ChristensenOakland, CA 946111346650090
- Matthew KwongOakland, CA 946071417318320
- Theodore Slomoff, MD, MSCOakland, CA 946111982138350
Common questions
What is Andrea Minor Thach, M.D.'s NPI number?
Andrea Minor Thach, M.D.'s National Provider Identifier (NPI) is 1265484240, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Minor Thach, M.D. located?
The NPPES record lists a practice address at 3100 Summit St FL 2, Oakland, CA, 94609. Phone: (510) 204-3410. Providers update this record themselves, so call before visiting.
How can I verify Andrea Minor Thach, M.D.'s license?
NPPES lists California license number G53457, 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 Andrea Minor Thach, M.D. prescribe under Medicare Part D?
In 2024, Andrea Minor Thach, M.D. had 91 Medicare Part D claims for 39 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. 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.