William Jay Resnick, MD
Psychiatry Physician · Los Angeles, CA
William Jay Resnick, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1134133879, issued on Jul 28, 2006. Check the license (California A66239, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Jay Resnick
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A66239 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Ucla Medical Plaza, Los Angeles, CA 90095
- Phone
- (310) 825-9989
- Enumerated
- Jul 28, 2006
- Record last updated
- Aug 8, 2024
- Fax
- (310) 267-1908
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 300 Ucla Medical Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Jay Resnick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66239Check 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 psychiatry physician in 2024
52 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Dextroamphetamine Sulfate14 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
William Jay Resnick among 8,673 psychiatry physician records in California
William Jay Resnick, MD 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 fileNo · 38% of these records are
- Record last updated2024 · 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).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
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Common questions
What is William Jay Resnick, MD's NPI number?
William Jay Resnick, MD's National Provider Identifier (NPI) is 1134133879, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Jay Resnick, MD located?
The NPPES record lists a practice address at 300 Ucla Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 825-9989. Providers update this record themselves, so call before visiting.
How can I verify William Jay Resnick, MD's license?
NPPES lists California license number A66239, 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 William Jay Resnick, MD prescribe under Medicare Part D?
In 2024, William Jay Resnick, MD had 52 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is William Jay Resnick, MD's MIPS final score?
The 2023 MIPS final score is 91.7 of 100, reported for the practice group. 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.