NPPES file of Aug 9, 2026

James William Golden, M.D.

Hematology & Oncology Physician · San Gabriel, CA

James William Golden, M.D. is a hematology & oncology physician with a practice address in San Gabriel, California, and NPI 1144240235, issued on Jul 20, 2006. Check the license (California G27107, as entered in NPPES) on the Medical Board of California; 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
1144240235
Name
James William Golden
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
G27107 CA
Self-reported in NPPES; status is on the state search
Practice location
225 E Las Tunas Dr, San Gabriel, CA 91776
Phone
(626) 287-8642
Enumerated
Jul 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(626) 287-2970
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 225 E Las Tunas Dr

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

  1. Araceli Chanbonpin, M.D.Internal Medicine Physician1962572909

Verify James William Golden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G27107
    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
Open the California license search

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95% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

45 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. James Golden45
  2. Specialty average877

Most prescribed

  1. Metoprolol Succinate15 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.

James William Golden among 1,583 hematology & oncology physician records in California

James William Golden, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 54% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Dong Xiang, MDSan Gabriel, CA 917761235332925
  2. Vandana Agarwal, MDPomona, CA 917671134124548
  3. Swarna Chanduri, MDPomona, CA 917671629050489
  4. Preeti Chaudhary, M.D.Pomona, CA 917671255597456
  5. Camille Adeimy, MDUpland, CA 917861477785160
  6. Mark Chang, DOUpland, CA 917861861954182
  7. Natasha GargUpland, CA 917861831458835
  8. Naveen Gupta, M.D.Upland, CA 917861720024128

Common questions

What is James William Golden, M.D.'s NPI number?

James William Golden, M.D.'s National Provider Identifier (NPI) is 1144240235, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James William Golden, M.D. located?

The NPPES record lists a practice address at 225 E Las Tunas Dr, San Gabriel, CA, 91776. Phone: (626) 287-8642. Providers update this record themselves, so call before visiting.

How can I verify James William Golden, M.D.'s license?

NPPES lists California license number G27107, 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 James William Golden, M.D. prescribe under Medicare Part D?

In 2024, James William Golden, M.D. had 45 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.