Karen Chang, MD
Anatomic Pathology & Clinical Pathology Physician · Duarte, CA
Karen Chang, MD is an anatomic pathology & clinical pathology physician with a practice address in Duarte, California, and NPI 1518924398, issued on Apr 27, 2006. Check the license (California G59593, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Chang
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- G59593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Duarte RD, Duarte, CA 91010
- Phone
- (626) 359-8111
- Enumerated
- Apr 27, 2006
- Record last updated
- Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G595930 CA
- Medicare enrollment
- Enrolled (PECOS I20250724003834); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1985
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 1500 Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G59593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $122.91
6 payments; by number, the most common kind was food and beverage; the largest payer was Kedrion Biopharma, Inc. The 2,607 providers of this specialty with any payment received $3,565.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karen Chang among 1,554 anatomic pathology & clinical pathology physician records in California
Karen Chang, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1985 · median 2003 among the 891 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 anatomic pathology & clinical pathology physician records list a practice address in Duarte
They are 30 of the 1,287 NPPES records with a practice address in Duarte, and 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Duarte → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Leonidas Arvanitis, M.D.Duarte, CA 910101669628764
- Rania Bakkar, MDDuarte, CA 910101962613257
- Peiguo Chu, MDDuarte, CA 910101912964974
- Fang Fan, MD, PHDDuarte, CA 910101316058415
- Kate Grimm, M.D.Duarte, CA 910101487840419
- Stanley Hamilton, M.D.Duarte, CA 910101730275637
- Qin Huang, MDDuarte, CA 910101760448856
- Sean Lau, MDDuarte, CA 910101306803101
Common questions
What is Karen Chang, MD's NPI number?
Karen Chang, MD's National Provider Identifier (NPI) is 1518924398, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Chang, MD located?
The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (626) 359-8111. Providers update this record themselves, so call before visiting.
How can I verify Karen Chang, MD's license?
NPPES lists California license number G59593, 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.
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.