John R. Weinstein

  • Garden Grove, CA
  • Psychiatrist
NPI1255402608PAC ID3779514377
Medicare services, 2024
3,933
Medicare patients, 2024
495
Part D claims, 2024
14,044
Publications
10
MIPS score, 2024
73
Practice address
12882 Shackelford Lane, Garden Grove, CA 92841
Practice phone
Call (714) 638-9470
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Garden Grove Post Acute

Skilled Nursing Facility · Garden Grove, California

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John R. Weinstein is a psychiatrist in Garden Grove, California

John Weinstein practices at Garden Grove Post Acute in Garden Grove, California.

John Weinstein's NPI, 1255402608, was assigned on November 9, 2006. John Weinstein graduated from Medical College Of Wisconsin in 1994. John Weinstein's California license number on file is A64936.

NPI and contact details
Medicare PAC ID
3779514377
NPI enumeration date
November 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 638-9470
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

John R. Weinstein practices at Garden Grove Post Acute in Garden Grove, California

John Weinstein's primary practice is Garden Grove Post Acute, at 12882 Shackelford Lane, Garden Grove, CA 92841 in Orange County. The practice phone is (714) 638-9470.

  • Garden Grove Post Acute
    12882 Shackelford Lane, Garden Grove, CA 92841 · Orange CountyPhone(714) 638-9470

Source: Dmand AI Affiliation Data

John R. Weinstein is affiliated with 3 sites of care

John Weinstein's primary practice is Garden Grove Post Acute in Garden Grove, California. Dmand AI also links John Weinstein to 1 physician office and 1 senior living community, each named with a free account.

See all 3 affiliations for John Weinstein

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at John R. Weinstein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Weinstein practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Garden Grove Post AcuteAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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John R. Weinstein is one of 6,803 psychiatrists in California

Psychiatry is John Weinstein's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. John Weinstein has a license on file in California.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A64936 · 1998 to 2025 · taxonomy 2084P0800X

Clinical focus

Dmand AI lists ADHD, adjustment disease, anxiety, bipolar disorder, depression, insomnia, intellectual and developmental disabilities and schizophrenia among the conditions John Weinstein treats.

Psychiatrists near John Weinstein

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

John R. Weinstein billed Medicare for 3,933 services in 2024

CMS data shows 3,933 Medicare services from John Weinstein across 5 procedure codes in 2024, for 495 Medicare patients. Medicare paid $179,716 for them.

Medicare services, 20243,933
Medicare patients495
Paid by Medicare$179,716
Procedure codes5

John Weinstein's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3,9802024: 3,9331%

Where John Weinstein's Medicare services took place, 2024

  • In an office3,82397%
  • In a facility1103%

John Weinstein compared with the California median for psychiatrists, 2024

  • John Weinstein
  • California median
Medicare services
3,933vs 11933.1 times
Medicare patients
495vs 4112.1 times
Part D claims
13,977vs 14497.1 times

Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.

John Weinstein's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Need commercial claims for John Weinstein?

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

John R. Weinstein treated 495 Medicare patients in 2024, average age 61

CMS counts 495 Medicare patients who saw John Weinstein in 2024. The largest group is under 65, with 274 patients. 66% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts John Weinstein's median patient age at 56, with 40% women.

Medicare patients, 2024495
Average age61
Average risk score1.61

John Weinstein's Medicare patients by age, 2024

John Weinstein's Medicare patients by sex, 2024

  • Women23547%
  • Men26053%

Chronic conditions among John Weinstein's Medicare patients, 2024

  1. High cholesterol66%
  2. High blood pressure61%
  3. Schizophrenia and other psychoses45%
  4. Mood disorders44%
  5. Anxiety41%
  6. ADHD and conduct disorders37%
  7. Depression36%
  8. Bipolar disorder30%

Share of Medicare patients with each condition. A patient can have several.

John Weinstein's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women40%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

John R. Weinstein wrote 14,044 Medicare Part D claims in 2024

In 2024, John Weinstein wrote 14,044 Medicare Part D claims for 495 patients. 99% of them were for generic drugs. CMS names the drug for 13,977 of them, across 71 drugs with 11 or more claims each, at $451,145 in total drug cost. In 2023, CMS named 15,094 claims across 79 drugs.

Part D claims, 202414,044
Drugs named by CMS71
Total drug cost$451,145
Part D patients495

John Weinstein's Part D claims by kind of drug, 2024

  • Generic13,835 claims99%
  • Brand-name209 claims1%

John Weinstein's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in John Weinstein's Part D claims, 2024

  • Antipsychotics, patients 65 and over14%1,926 of 14,044 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 15,0942024: 13,9777%

Drugs named by CMS: 71 in 2024, 79 in 2023.

See all prescribing by John Weinstein

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

John R. Weinstein scored 73 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 73 out of 100 for John Weinstein for performance year 2024, reported individually. John Weinstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists John Weinstein as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

John Weinstein's MIPS scores, performance year 2024

  • 73of 100Final score
  • 51.7of 100Quality
  • 28of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 88of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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John R. Weinstein has 10 publications on record

Dmand AI links 10 papers to John Weinstein, published from 2016 to 2019. 2018 was the busiest year, with 3. The most frequent topics are Rural Population, Air Pollution, Indoor and Cooking. John Weinstein's most frequent co-authors are Neal Leon Benowitz, MD, Ingrid Yolanda Camelo, MD and Christopher J. Gill, MD.

Papers10
Years published2016 to 2019

John Weinstein's papers by year, 2016 to 2019

Topics John Weinstein writes about most

  • Rural Population
  • Air Pollution, Indoor
  • Cooking
  • Guatemala
  • Petroleum
  • Africa
  • Family Characteristics
  • HIV Infections

John Weinstein's most frequent co-authors

Recent publications by John Weinstein

See all 10 publications and co-authors

See who John Weinstein researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who John Weinstein works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

John R. Weinstein received $2,049 in industry payments from 2016 to 2025

CMS Open Payments shows 95 general payments to John Weinstein from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $735.

General payments to John Weinstein by program year, 2016 to 2025

General payments to John Weinstein by kind, 2016 to 2025

$2Kin total
  • Food and beverage$1,85791%
  • Education$1929%

Companies that paid John Weinstein the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to John Weinstein

Source: Open Payments (CMS), 2025 data, released July 7, 2026

John R. Weinstein graduated from Medical College Of Wisconsin

John Weinstein graduated from Medical College Of Wisconsin in 1994.

  1. Medical schoolMedical College Of Wisconsin

Source: Dmand AI Professional Profile Data

John R. Weinstein accepts plans from 9 insurance carriers

John Weinstein is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Plan types John Weinstein accepts, by number of carriers

  1. Medicare8
  2. PPO5
  3. HMO4
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for John R. Weinstein's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about John R. Weinstein

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John R. Weinstein's NPI number?

John R. Weinstein's NPI number is 1255402608. It was assigned on November 9, 2006, and it is active in the NPI Registry.

What does John R. Weinstein specialize in?

John R. Weinstein is a psychiatrist in Garden Grove, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does John R. Weinstein practice?

John Weinstein practices at 12882 Shackelford Lane, Garden Grove, CA 92841. John Weinstein's primary practice is Garden Grove Post Acute in Garden Grove, California. Dmand AI also links John Weinstein to 1 physician office and 1 senior living community.

What is John R. Weinstein's office phone number?

The practice phone on file for John Weinstein is (714) 638-9470.

What is John R. Weinstein's medical license number?

John Weinstein's California license number on file is A64936.

Does John R. Weinstein accept Medicare?

Yes. CMS data shows John Weinstein billed Medicare for 3,933 services in 2024, and John Weinstein accepts Medicare assignment.

Does John R. Weinstein offer telehealth?

Yes. The CMS Doctors and Clinicians file lists John Weinstein as offering telehealth services.

What is John R. Weinstein's MIPS score?

John Weinstein's MIPS final score for performance year 2024 is 73 out of 100, reported individually.

How many Medicare patients does John R. Weinstein see?

CMS counts 495 Medicare patients who saw John Weinstein in 2024, with an average age of 61.

What services does John R. Weinstein bill to Medicare?

In 2024, John Weinstein's most billed Medicare services were office visit, established patient (99213), nursing facility care (99308) and office visit, established patient (99214).

Show 7 more questionsShow fewer questions

Where did John R. Weinstein go to medical school?

John Weinstein graduated from Medical College Of Wisconsin in 1994.

What drugs does John R. Weinstein prescribe most?

In 2024 Medicare Part D data, John Weinstein's most prescribed drugs by claims were Risperidone, Quetiapine Fumarate and Olanzapine.

Has John R. Weinstein received payments from drug or device companies?

CMS Open Payments shows $2,049 in general payments to John Weinstein from 12 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.

How long has John R. Weinstein been practicing?

John Weinstein graduated from medical school in 1994, 32 years ago.

Does John R. Weinstein do research?

Dmand AI links 10 publications to John Weinstein, published from 2016 to 2019.

Who does John R. Weinstein publish with?

John Weinstein's most frequent co-authors are Neal Leon Benowitz, MD (2 shared papers), Ingrid Yolanda Camelo, MD (1 shared paper) and Christopher J. Gill, MD (1 shared paper).

What insurance does John R. Weinstein accept?

John Weinstein is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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