NPPES file of Aug 9, 2026

James A. Maccuish, M.D.

Specialist · South Pasadena, CA

James A. Maccuish, M.D. is a specialist with a practice address in South Pasadena, California, and NPI 1003936709, issued on Mar 29, 2007. Check the license (California A23295, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003936709
Name
James A. Maccuish
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
A23295 CA
Self-reported in NPPES; status is on the state search
Practice location
1941 Huntington Dr, South Pasadena, CA 91030
Phone
(626) 799-5450
Enumerated
Mar 29, 2007
Record last updated
Aug 9, 2026
Fax
(626) 799-2507
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1941 Huntington Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Bigley, DDSGeneral Practice Dentistry1407288707
  2. Frederick Harris, O.D.Optometrist1730151127
  3. James Hodge, D.D.S.General Practice Dentistry1114947868
  4. Tony Hwang, DDSPediatric Dentistry1124153671
  5. Kent Wilson, D.D.S.General Practice Dentistry1700208576

Verify James A. Maccuish in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license A23295    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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80% fewer Medicare Part D claims than the average specialist in 2024

279 Medicare Part D claims for 41 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. James Maccuish279
  2. Specialty average1,380

Most prescribed

  1. Fluoxetine Hcl34 claims
  2. Alprazolam26 claims
  3. Bupropion Xl21 claims
  4. Lorazepam20 claims
  5. Duloxetine Hcl15 claims
  6. Diazepam13 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.

12 specialist records list a practice address in South Pasadena

They are 12 of the 1,081 NPPES records with a practice address in South Pasadena, and 5,749 specialist records in California.

All 12 in South Pasadena → All 5,749 in California → Every provider in South Pasadena →

Other specialist records in California

  1. Fatemeh Abbasi, PTVan Nuys, CA1558496760
  2. Erlinda Abcede, M.D.Cudahy, CA1831228675
  3. Maher Abdallah, M.D.Palm Springs, CA1205988011
  4. Farinaz AbdiSan Marcos, CA1063153963
  5. Mai Abe, LESanta Monica, CA1609405158
  6. Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
  7. Jonas AbellaSan Francisco, CA1679760938
  8. Shreedhar Abhyankar, M.D.Indio, CA1861530669
  9. Elaine AbichRiverside, CA1780458927
  10. Mussarat Abidi, MDLadera Ranch, CA1053307769

Common questions

What is James A. Maccuish, M.D.'s NPI number?

James A. Maccuish, M.D.'s National Provider Identifier (NPI) is 1003936709, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James A. Maccuish, M.D. located?

The NPPES record lists a practice address at 1941 Huntington Dr, South Pasadena, CA, 91030. Phone: (626) 799-5450. Providers update this record themselves, so call before visiting.

How can I verify James A. Maccuish, M.D.'s license?

NPPES lists California license number A23295, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does James A. Maccuish, M.D. prescribe under Medicare Part D?

In 2024, James A. Maccuish, M.D. had 279 Medicare Part D claims for 41 beneficiaries; the average among specialist prescribers was 1,380. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.