NPPES file of Aug 9, 2026

Gary Y. Yang, MD

Radiation Oncology Physician · Loma Linda, CA

Gary Y. Yang, MD is a radiation oncology physician with a practice address in Loma Linda, California, and NPI 1447231915, issued on Nov 10, 2005. Check the license (California A77188, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447231915
Name
Gary Y. Yang
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
A77188 CA
221882 NY
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson St, Loma Linda, CA 92354
Phone
(909) 558-4244
Enumerated
Nov 10, 2005
Record last updated
Jul 21, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101011000820); accepts Medicare assignment
Medical or professional school
Chicago College Of Medicine And Surgery, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 11234 Anderson St

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

  1. Carolyn AbbasiAnesthesiology Physician1811287311
  2. Marian Abdelmalek, DOInternal Medicine Physician1285218024
  3. Faiz Abdur-Rahman, MDStudent in an Organized Health Care Education/Training Program1144073768
  4. Marc Abou AssaliStudent in an Organized Health Care Education/Training Program1689317265
  5. Adina Achiriloaie, MDDiagnostic Neuroimaging (Radiology) Physician1992983282
  6. Ana Acosta, MDStudent in an Organized Health Care Education/Training Program1265179774

Verify Gary Y. Yang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A77188
    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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70% fewer Medicare Part D claims than the average radiation oncology physician in 2024

40 Medicare Part D claims for 20 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gary Yang40
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl32 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): 85.2 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.

  1. Qualityout of 100 · 30% of the final score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $38.71

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gary Yang$38.71
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gary Y. Yang among 735 radiation oncology physician records in California

Gary Y. Yang, MD is one of 735 radiation 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1995 · median 2005 among the 545 with a school on file
  • Record last updated2010 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. David Bush, M.D.Loma Linda, CA 923541114944782
  2. Ben Jabola, M.D.Loma Linda, CA 923541992721435
  3. Jessica Jutzy, MDLoma Linda, CA 923541821475393
  4. Joseph Kang, M.D., PH.D.Loma Linda, CA 923541730354929
  5. Stephanie Kwan, MD, MTMLoma Linda, CA 923541992360366
  6. Lilia Loredo, M.D.Loma Linda, CA 923541437183449
  7. Ivan Namihas, M.D.Loma Linda, CA 923541285652495
  8. Jerry Slater, M.D.Loma Linda, CA 923541245258458

Common questions

What is Gary Y. Yang, MD's NPI number?

Gary Y. Yang, MD's National Provider Identifier (NPI) is 1447231915, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gary Y. Yang, MD located?

The NPPES record lists a practice address at 11234 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-4244. Providers update this record themselves, so call before visiting.

How can I verify Gary Y. Yang, MD's license?

NPPES lists California license number A77188, 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 Gary Y. Yang, MD prescribe under Medicare Part D?

In 2024, Gary Y. Yang, MD had 40 Medicare Part D claims for 20 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Gary Y. Yang, MD's MIPS final score?

The 2023 MIPS final score is 85.2 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.