Catherine Chang-Suen, D.O.
Anatomic Pathology & Clinical Pathology Physician · Pomona, CA
Catherine Chang-Suen, D.O. is an anatomic pathology & clinical pathology physician with a practice address in Pomona, California, and NPI 1205201621, issued on Dec 10, 2015. Check the license (California 20A14605, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Chang-Suen
- Credential
- D.O.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 20A14605 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1798 N Garey Ave, Pomona, CA 91767
- Phone
- (909) 865-9500
- Enumerated
- Dec 10, 2015
- Record last updated
- Mar 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200414002542); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 1798 N Garey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monique AbdallaRegistered Nurse1871398297
- Brent Abutin, PTAPhysical Therapy Assistant1144728023
- Anna Adongo, M.D.Anesthesiology Physician1497011902
- Fran Allas, OTR/LNeurorehabilitation Occupational Therapist1467081828
- Yvette Ambroze, FNPFamily Nurse Practitioner1336616879
- Arjun Bakshi, DOEmergency Medicine Physician1659968303
Verify Catherine Chang-Suen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 95.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pvch Clinical Laboratory Medical Group IncPomona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Chang-Suen among 1,554 anatomic pathology & clinical pathology physician records in California
Catherine Chang-Suen, D.O. 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 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2003 among the 891 with a school on file
- Record last updated2020 · 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).
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 Pomona → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- David Nasca, M.D.Pomona, CA 917671508887969
- Victor Santiago, MDPomona, CA 917671851711568
- Philip Strassle, MDPomona, CA 917671952320699
- Nancy Wu, M.D.Pomona, CA 917671609895358
- Hao Nguyen, MDPomona, CA 917681407046659
- Gayle Lucas, M.D.Diamond Bar, CA 917651659563476
- Tuan Nguyen, M.D.Rosemead, CA 917701861406886
- Glenn Hausdorfer, MDSan Dimas, CA 917731588658249
Common questions
What is Catherine Chang-Suen, D.O.'s NPI number?
Catherine Chang-Suen, D.O.'s National Provider Identifier (NPI) is 1205201621, issued on Dec 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Chang-Suen, D.O. located?
The NPPES record lists a practice address at 1798 N Garey Ave, Pomona, CA, 91767. Phone: (909) 865-9500. Providers update this record themselves, so call before visiting.
How can I verify Catherine Chang-Suen, D.O.'s license?
NPPES lists California license number 20A14605, 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 Catherine Chang-Suen, D.O.'s MIPS final score?
The 2023 MIPS final score is 95.8 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.