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MS. KAREN CHANG MD
NPI 1518924398
Pathology - Anatomic Pathology & Clinical Pathology in Duarte, CA

Active since April 27, 2006PECOS EnrolledAccepts Medicare Assignment
1500 DUARTE RD, DUARTE, CA 91010(626) 359-8111 Get Directions Write a Review

NPPES record last updated: November 23, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Karen Chang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KAREN CHANG MD (NPI 1518924398) is an individual anatomic pathology & clinical pathology provider in Duarte, California, licensed in California (G59593) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (1985).

NPPES Registry Identity

NPI1518924398
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameMS. KAREN CHANGCredential: MD
Location Address1500 DUARTE RDDuarte, CA 91010-3012
Mailing AddressPo Box 5059Monrovia, CA 91017 · (626) 775-3200 · Fax (626) 775-3271
Phone(626) 359-8111
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1985
Enumeration DateApril 27, 2006
Last NPPES UpdateNovember 23, 2021
NPPES CertifiedNovember 23, 2021
✔ NPI 1518924398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · G59593
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
1500 DUARTE RD, Duarte, CA 91010
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G595930CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Karen Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173702529
PECOS Enrollment IDI20250724003834
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SASAN FAZELI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
SKAI MINDY FU PHARMD
Pharmacist
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 500-5461
JIMMIE WONG MD
Radiology (Diagnostic Radiology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
TERENCE WILLIAMS M.D.
Radiology (Radiation Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. MUSTAFA RAOOF M.D.
Surgery (Surgical Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
DR. EDNA CLOGG SHENVI M.D.
Surgery
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673
ALAN CHEN TANG M.D.
Anesthesiology
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 359-8111
WINSTON YUHSIEN LEE MD, PHD
Pathology (Hematology)
1500 DUARTE RD
DUARTE, CA 91010
Los Angeles County (626) 256-4673

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Chang's NPI number?

The NPI number for Karen Chang is 1518924398. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Karen Chang located?

Karen Chang practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 359-8111.

What is Karen Chang's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Karen Chang enrolled in Medicare?

Yes. Karen Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Karen Chang was last updated on November 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.