NPPES file of Aug 9, 2026

Katherine Pey-Shan Chung, MD

Student in an Organized Health Care Education/Training Program · Downey, CA

Katherine Pey-Shan Chung, MD is a student in an organized health care education/training program with a practice address in Downey, California, and NPI 1346944691, issued on Mar 29, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346944691
Name
Katherine Pey-Shan Chung
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
11500 Brookshire Ave Ofc, Downey, CA 90241
Phone
(408) 857-2783
Enumerated
Mar 29, 2023
Record last updated
Mar 29, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 11500 Brookshire Ave Ofc

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

  1. Shawn Cole, DOStudent in an Organized Health Care Education/Training Program1730839168
  2. Daniel DuStudent in an Organized Health Care Education/Training Program1407658784
  3. Theresa Kim, DOStudent in an Organized Health Care Education/Training Program1043914369
  4. Minal Reddy, MDStudent in an Organized Health Care Education/Training Program1295537801
  5. Harvey ZhouStudent in an Organized Health Care Education/Training Program1467390047

Verify Katherine Pey-Shan Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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.

24% more Medicare Part D claims than the average student in an organized health care education/training program in 2024

229 Medicare Part D claims for 56 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Katherine Chung229
  2. Specialty average185

Most prescribed

  1. Lisinopril13 claims
  2. Tamsulosin Hcl13 claims
  3. Atorvastatin Calcium12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Katherine Pey-Shan Chung among 40,652 student in an organized health care education/training program records in California

Katherine Pey-Shan Chung, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 42% of them.

  • NPI issued2023 · 42% of these records are older, 47% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2023 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

61 student in an organized health care education/training program records list a practice address in Downey

They are 61 of the 3,607 NPPES records with a practice address in Downey, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Paulina AlvarezDowney, CA 902411770984775
  2. Shawn Cole, DODowney, CA 902411730839168
  3. Areio HashemiDowney, CA 902411134879240
  4. Christine KaiDowney, CA 902411750031969
  5. Samuel Kianmahd, MDDowney, CA 902411376122390
  6. Jennifer LohmannDowney, CA 902411477076123
  7. Michelle Nguyen, DODowney, CA 902411710515788
  8. Kush Shah, DODowney, CA 902411518617463

Common questions

What is Katherine Pey-Shan Chung, MD's NPI number?

Katherine Pey-Shan Chung, MD's National Provider Identifier (NPI) is 1346944691, issued on Mar 29, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Pey-Shan Chung, MD located?

The NPPES record lists a practice address at 11500 Brookshire Ave Ofc, Downey, CA, 90241. Phone: (408) 857-2783. Providers update this record themselves, so call before visiting.

How can I verify Katherine Pey-Shan Chung, MD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Pey-Shan Chung, MD prescribe under Medicare Part D?

In 2024, Katherine Pey-Shan Chung, MD had 229 Medicare Part D claims for 56 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.

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.