Ken Weinstock, M.D.
Psychiatry Physician · Sacramento, CA
Ken Weinstock, M.D. is a psychiatry physician with a practice address in Sacramento, California, and NPI 1265406268, issued on Feb 15, 2006. Check the license (California A92787, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ken Weinstock
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A92787 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2001 N St Ste 210, Sacramento, CA 95811
- Phone
- (916) 508-4069
- Enumerated
- Feb 15, 2006
- Record last updated
- Jun 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (844) 965-9375
- Medicare enrollment
- Enrolled (PECOS I20070725000183); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Ken Weinstock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A92787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average psychiatry physician in 2024
767 Medicare Part D claims for 76 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Quetiapine Fumarate103 claims
- Lorazepam48 claims
- Clonazepam46 claims
- Clozapine38 claims
- Aripiprazole35 claims
- Quetiapine Fumarate Er34 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 2 group practices
- Coastal Health AlliancePoint Reyes Station, CA
- Petaluma Health Center IncPetaluma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ken Weinstock among 8,673 psychiatry physician records in California
Ken Weinstock, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2004 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
331 psychiatry physician records list a practice address in Sacramento
They are 331 of the 33,083 NPPES records with a practice address in Sacramento, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Sacramento → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kristina Antonson, M.D.Sacramento, CA 958111881821270
- Amarsha Chakraburtty, MDSacramento, CA 958111891181186
- Barbara Fattig, M.D.Sacramento, CA 958111558652578
- Samita Gandhi, M.D.Sacramento, CA 958111821308149
- Eun Kyung Lee, M.D.,M.S.Sacramento, CA 958111245626639
- Brian Mackin, M.D.Sacramento, CA 958111144294349
- Caroline Sanderson, MDSacramento, CA 958111609371806
- David Sisemore, D.O.Sacramento, CA 958111598739575
Common questions
What is Ken Weinstock, M.D.'s NPI number?
Ken Weinstock, M.D.'s National Provider Identifier (NPI) is 1265406268, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ken Weinstock, M.D. located?
The NPPES record lists a practice address at 2001 N St Ste 210, Sacramento, CA, 95811. Phone: (916) 508-4069. Providers update this record themselves, so call before visiting.
How can I verify Ken Weinstock, M.D.'s license?
NPPES lists California license number A92787, 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 Ken Weinstock, M.D. prescribe under Medicare Part D?
In 2024, Ken Weinstock, M.D. had 767 Medicare Part D claims for 76 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.