Marguerite Maguire, M.D.
Psychiatry Physician · Santa Monica, CA
Marguerite Maguire, M.D. is a psychiatry physician with a practice address in Santa Monica, California, and NPI 1487100236, issued on Aug 31, 2016. Check the license (California 148255, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marguerite Maguire
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 148255 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2444 Wilshire Blvd Ste 414, Santa Monica, CA 90403
- Phone
- (323) 340-0999
- Enumerated
- Aug 31, 2016
- Record last updated
- Jun 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2444 Wilshire Blvd Ste 414
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brandon GrossMental Health Counselor1891447306
Verify Marguerite Maguire in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 148255Check 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
54 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $24.38
1 payment: food and beverage; the largest payer was Noven Therapeutics, LLC. 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.
Marguerite Maguire among 8,673 psychiatry physician records in California
Marguerite Maguire, 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 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2019 · 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).
78 psychiatry physician records list a practice address in Santa Monica
They are 78 of the 5,151 NPPES records with a practice address in Santa Monica, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Santa Monica → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Michelle Ashley, M.D.Santa Monica, CA 904031205986650
- Leslie Brothers, M.D.Santa Monica, CA 904031275748188
- David Fogelson, M.D.Santa Monica, CA 904031215037874
- Elizabeth Galton, MDSanta Monica, CA 904031760476394
- Maria Lymberis, MDSanta Monica, CA 904031982609319
- Michael Mandel, M.D.Santa Monica, CA 904031740406727
- Robert Martin, MDSanta Monica, CA 904031972679801
- Jessica Nord, M.D.Santa Monica, CA 904031548454036
Common questions
What is Marguerite Maguire, M.D.'s NPI number?
Marguerite Maguire, M.D.'s National Provider Identifier (NPI) is 1487100236, issued on Aug 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marguerite Maguire, M.D. located?
The NPPES record lists a practice address at 2444 Wilshire Blvd Ste 414, Santa Monica, CA, 90403. Phone: (323) 340-0999. Providers update this record themselves, so call before visiting.
How can I verify Marguerite Maguire, M.D.'s license?
NPPES lists California license number 148255, 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 Marguerite Maguire, M.D. prescribe under Medicare Part D?
In 2024, Marguerite Maguire, M.D. had 54 Medicare Part D claims; 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.