NPPES file of Aug 9, 2026

Eric Cheng Kun Chang, MD

Medical Oncology Physician · Monterey Park, CA

Eric Cheng Kun Chang, MD is a medical oncology physician with a practice address in Monterey Park, California, and NPI 1427123488, issued on Nov 22, 2006. Check the license (California G74401, 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
1427123488
Name
Eric Cheng Kun Chang
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
G74401 CA
Self-reported in NPPES; status is on the state search
Practice location
600 N Garfield Ave Ste 200, Monterey Park, CA 91754
Phone
(626) 571-8080
Enumerated
Nov 22, 2006
Record last updated
Apr 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(626) 571-5520
Medicaid ID
OG7440100 CA
Medicare enrollment
Enrolled (PECOS I20101020000785); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1989
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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Verify Eric Cheng Kun Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G74401
    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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63% more Medicare Part D claims than the average medical oncology physician in 2024

1,145 Medicare Part D claims for 67 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Eric Chang1,145
  2. Specialty average703

Most prescribed

  1. Eliquis56 claims
  2. Amlodipine Besylate35 claims
  3. Atorvastatin Calcium35 claims
  4. Albuterol Sulfate31 claims
  5. Carbidopa-Levodopa31 claims
  6. Pantoprazole Sodium30 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 MIPS final score for 2023 (Medicare payment program): 30 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $154.43

1 payment: food and beverage; the largest payer was icotec Medical Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Chang$154
  2. Specialty average$11,773

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

Eric Cheng Kun Chang among 447 medical oncology physician records in California

Eric Cheng Kun Chang, MD is one of 447 medical oncology physician records with a practice address in California. 82% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1989 · median 2004 among the 312 with a school on file
  • Record last updated2020 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in California

There are 447 medical oncology physician records in California.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Eduardo Siccion, MDLa Verne, CA 917501083701965
  2. Robert Morgan, MDGlendora, CA 917411285741223
  3. Behnam Ebrahimi, M.D.Rancho Cucamonga, CA 917391033165139
  4. Philip Chatham, M.D.San Gabriel, CA 917761740279264
  5. Jieying Liu, MDSan Gabriel, CA 917761609404870
  6. Michael Saville, MDCarlsbad, CA 920081689928533
  7. Steven Reich, M.D.Del Mar, CA 920141396876330
  8. Muneeb Choudry, M.D.Escondido, CA 920291518924323

Common questions

What is Eric Cheng Kun Chang, MD's NPI number?

Eric Cheng Kun Chang, MD's National Provider Identifier (NPI) is 1427123488, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric Cheng Kun Chang, MD located?

The NPPES record lists a practice address at 600 N Garfield Ave Ste 200, Monterey Park, CA, 91754. Phone: (626) 571-8080. Providers update this record themselves, so call before visiting.

How can I verify Eric Cheng Kun Chang, MD's license?

NPPES lists California license number G74401, 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 Eric Cheng Kun Chang, MD prescribe under Medicare Part D?

In 2024, Eric Cheng Kun Chang, MD had 1,145 Medicare Part D claims for 67 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Eric Cheng Kun Chang, MD's MIPS final score?

The 2023 MIPS final score is 30 of 100. 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.