NPPES file of Aug 9, 2026

Judy H. Ko, MD

Anatomic Pathology & Clinical Pathology Physician · Baldwin Park, CA

Judy H. Ko, MD is an anatomic pathology & clinical pathology physician with a practice address in Baldwin Park, California, and NPI 1962573949, issued on Nov 13, 2006. Check the license (California G74281, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962573949
Name
Judy H. Ko
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
G74281 CA
Self-reported in NPPES; status is on the state search
Practice location
1011 Baldwin Park Blvd, Baldwin Park, CA 91706
Phone
(626) 851-1011
Enumerated
Nov 13, 2006
Record last updated
Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100817001640); 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.
Download card Updates feed

Also registered at 1011 Baldwin Park Blvd

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

  1. Sarah Abdulla, M.D.Surgery Physician1699200840
  2. Julia Aburto-Erazo, NPNurse Practitioner1922175777
  3. Mauricio Acevedo, MDInternal Medicine Physician1659442614
  4. Helen Achio, PHARM.D.Pharmacist1225114614
  5. Olufemi Adenuga, M.D, MPHPulmonary Disease Physician1134389125
  6. Soma Agarwal, MDOphthalmology Physician1437220316

Verify Judy H. Ko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G74281
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupBaldwin Park, CA

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

Judy H. Ko among 1,554 anatomic pathology & clinical pathology physician records in California

Judy H. Ko, 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
  • Graduated1990 · 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).

Anatomic Pathology & Clinical Pathology Physician providers in California

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

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Tosha Brown, M.D.Baldwin Park, CA 917061801030622
  2. Randi Burke, MDBaldwin Park, CA 917061568533529
  3. Sajjad Syed, MDBaldwin Park, CA 917061114075132
  4. Robert Zuch, MDBaldwin Park, CA 917061891866778
  5. Nogba Pawoo, DOChino, CA 917101689904237
  6. David Chun, MDCovina, CA 917231467446948
  7. Kenneth Frankel, MDCovina, CA 917231639163116
  8. Sunanda Chatterjee, MDSouth El Monte, CA 917331265491641

Common questions

What is Judy H. Ko, MD's NPI number?

Judy H. Ko, MD's National Provider Identifier (NPI) is 1962573949, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Judy H. Ko, MD located?

The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (626) 851-1011. Providers update this record themselves, so call before visiting.

How can I verify Judy H. Ko, MD's license?

NPPES lists California license number G74281, 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.