John R. Weinstein
Psychiatry Physician · Garden Grove, CA
John R. Weinstein is a psychiatry physician with a practice address in Garden Grove, California, and NPI 1255402608, issued on Nov 9, 2006. Check the license (California A64936, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John R. Weinstein
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A64936 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12373 Lewis St, Garden Grove, CA 92840
- Phone
- (714) 867-6031
- Enumerated
- Nov 9, 2006
- Record last updated
- Dec 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (714) 867-6033
- Medicaid ID
- 00A649360 CA
- Medicare enrollment
- Enrolled (PECOS I20050823001106); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 12373 Lewis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Badrtalei, PHDClinical Psychologist1871693085
Verify John R. Weinstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14.0 times the Medicare Part D claims of the average psychiatry physician in 2024
14,044 Medicare Part D claims for 495 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.
Most prescribed
- Risperidone2,037 claims
- Quetiapine Fumarate1,164 claims
- Olanzapine996 claims
- Benztropine Mesylate879 claims
- Sertraline Hcl864 claims
- Clonazepam734 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.35
1 payment: food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
John R. Weinstein among 8,673 psychiatry physician records in California
John R. Weinstein 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
- Graduated1994 · median 2005 among the 3,295 with a school on file
- Record last updated2016 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Garden Grove → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jack Johnson, MDGarden Grove, CA 928401548332570
- Bum Soo Lee, M.D.Garden Grove, CA 928401578636429
- Truc Dao, MDGarden Grove, CA 928431235185075
- Ravinder Singh, MDGarden Grove, CA 928431972560605
- Tony Tran, D.O.Garden Grove, CA 928431053750265
- Usamah Simjee, MDGarden Grove, CA 928441841750783
- John AlvarezFullerton, CA 928351912361106
- Marc Charles, M.D.Fullerton, CA 928351316032386
Common questions
What is John R. Weinstein's NPI number?
John R. Weinstein's National Provider Identifier (NPI) is 1255402608, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John R. Weinstein located?
The NPPES record lists a practice address at 12373 Lewis St, Garden Grove, CA, 92840. Phone: (714) 867-6031. Providers update this record themselves, so call before visiting.
How can I verify John R. Weinstein's license?
NPPES lists California license number A64936, 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 John R. Weinstein prescribe under Medicare Part D?
In 2024, John R. Weinstein had 14,044 Medicare Part D claims for 495 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is John R. Weinstein's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.