NPPES file of Aug 9, 2026

Harvey Chung-Der Chang, M.D.

Anatomic Pathology & Clinical Pathology Physician · Modesto, CA

Harvey Chung-Der Chang, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Modesto, California, and NPI 1629074810, issued on Jun 22, 2005. Check the license (California C50076, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629074810
Name
Harvey Chung-Der Chang
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
C50076 CA
Self-reported in NPPES; status is on the state search
Practice location
4301 N Star Way, Modesto, CA 95356
Phone
(209) 577-1200
Enumerated
Jun 22, 2005
Record last updated
Feb 19, 2025
Fax
(209) 577-6517
Medicare enrollment
Enrolled (PECOS I20040616001319); accepts Medicare assignment
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 4301 N Star Way

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

  1. Cortney Allen, PAHistology Specialist/Technologist1962049239
  2. Marnelli Bautista-Quach, MDAnatomic Pathology & Clinical Pathology Physician1083887442
  3. Marite Campos, MDAnatomic Pathology & Clinical Pathology Physician1366626509
  4. Prakashchandra Chaudhari, MDAnatomic Pathology & Clinical Pathology Physician1518073451
  5. Jonathan Chow, M.D.Anatomic Pathology & Clinical Pathology Physician1306008412
  6. Stephen Connolly, MDAnatomic Pathology & Clinical Pathology Physician1487688818

Verify Harvey Chung-Der 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 C50076    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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The MIPS final score for 2023 (Medicare payment program): 63.6 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 score73.7
  2. Costout of 100 · 30%55.8
  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).

Bills Medicare through one group practice

  1. Yosemite Pathology Medical Group IncModesto, CA

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

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

All 1,554 in California → Every provider in Modesto →

Other anatomic pathology & clinical pathology physician records in California

  1. Sophie Aalaei, M.D.San Diego, CA1558454207
  2. Abdul Majeed Abid, MBBS, MDClovis, CA1578055414
  3. Ronnie Abraham, MDSan Luis Obispo, CA1124254933
  4. Joline Abrahams, M.D.Palm Springs, CA1679567366
  5. Guillermo Acero, MDOjai, CA1629144373
  6. Dennis Adams, M.D.Stanford, CA1053726182
  7. Alaa Afify, M.D.Sacramento, CA1245212950
  8. Ali Afsari, M.D.Orange, CA1275064362
  9. Mukesh AgarwalColton, CA1154901056
  10. Maryam Aghighi, MDSanta Rosa, CA1073074977

Common questions

What is Harvey Chung-Der Chang, M.D.'s NPI number?

Harvey Chung-Der Chang, M.D.'s National Provider Identifier (NPI) is 1629074810, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Harvey Chung-Der Chang, M.D. located?

The NPPES record lists a practice address at 4301 N Star Way, Modesto, CA, 95356. Phone: (209) 577-1200. Providers update this record themselves, so call before visiting.

How can I verify Harvey Chung-Der Chang, M.D.'s license?

NPPES lists California license number C50076, 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.

What is Harvey Chung-Der Chang, M.D.'s MIPS final score?

The 2023 MIPS final score is 63.6 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.

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.