NPPES file of Aug 9, 2026

Galen Forrest Gao

Hematology & Oncology Physician · Los Angeles, CA

Galen Forrest Gao is a hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1336842582, issued on Mar 27, 2023. Check the license (California A208997, 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
1336842582
Name
Galen Forrest Gao
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
A208997 CA
MD.MD.70012812 WA
Self-reported in NPPES; status is on the state search
Practice location
700 Tiverton Ave Bldg 11-934, Los Angeles, CA 90095
Phone
(310) 825-9111
Enumerated
Mar 27, 2023
Record last updated
Jun 19, 2026
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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Verify Galen Forrest Gao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A208997
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

85 Medicare Part D claims for 23 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Galen Gao85
  2. Specialty average877

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.

Galen Forrest Gao among 1,583 hematology & oncology physician records in California

Galen Forrest Gao 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 2023, is newer than over 99% of them.

  • NPI issued2023 · over 99% of these records are older, under 1% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2026 · 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. David Chang, MDLos Angeles, CA 900951952336737
  2. Grace Cherry, NPLos Angeles, CA 900951659306447
  3. Sven De Vos, MDLos Angeles, CA 900951528093713
  4. Aryeh Edelist, MDLos Angeles, CA 900951437184629
  5. Christos Emmanouilides, MDLos Angeles, CA 900951780600619
  6. Nancy Feldman, MDLos Angeles, CA 900951538184700
  7. Jennifer Gansert, MDLos Angeles, CA 900951811922412
  8. Patricia Ganz, MDLos Angeles, CA 900951871528471

Common questions

What is Galen Forrest Gao's NPI number?

Galen Forrest Gao's National Provider Identifier (NPI) is 1336842582, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Galen Forrest Gao located?

The NPPES record lists a practice address at 700 Tiverton Ave Bldg 11-934, Los Angeles, CA, 90095. Phone: (310) 825-9111. Providers update this record themselves, so call before visiting.

How can I verify Galen Forrest Gao's license?

NPPES lists California license number A208997, 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 Galen Forrest Gao prescribe under Medicare Part D?

In 2024, Galen Forrest Gao had 85 Medicare Part D claims for 23 beneficiaries; 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.