NPPES file of Aug 9, 2026

Kathy Diana Chen, MD

Pediatric Gastroenterology Physician · Philadelphia, PA

Kathy Diana Chen, MD is a pediatric gastroenterology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1649352774, issued on Oct 19, 2006. Check the license (Pennsylvania MD-424334, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1649352774
Name
Kathy Diana Chen
Credential
MD
Primary taxonomy
Pediatric Gastroenterology Physician 2080P0206X
License number
MD-424334 PA
Self-reported in NPPES; status is on the state search
Practice location
Erie Avenue AT Front Street, Philadelphia, PA 19134
Phone
(215) 427-6778
Enumerated
Oct 19, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(215) 427-6782
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.
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Also registered at Erie Avenue AT Front Street

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

  1. Cameron Amirault, MDPediatrics Physician1184882326
  2. Susan Finn, CRNPPediatric Nurse Practitioner1811155948
  3. Aspasia Fissikoudi, MDNeonatal-Perinatal Medicine Physician1285686758
  4. Jill Foster, MDPediatric Infectious Diseases Physician1578511994
  5. Jannet Lee-Jayaram, M.D.Pediatric Emergency Medicine (Pediatrics) Physician1245274976
  6. Kathleen McHugh Longo, CRNPNurse Practitioner1720246606

Verify Kathy Diana Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD-424334
    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 Pennsylvania license search

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74% fewer Medicare Part D claims than the average pediatric gastroenterology physician in 2024

11 Medicare Part D claims, against an average of 42 among the 289 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Kathy Chen11
  2. Specialty average42

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.

Kathy Diana Chen among 163 pediatric gastroenterology physician records in Pennsylvania

Kathy Diana Chen, MD is one of 163 pediatric gastroenterology physician records with a practice address in Pennsylvania. 54% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 66% newer
  • In a Medicare fileYes · 54% of these records are
  • In the CMS Doctors and Clinicians fileNo · 20% of these records are
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Gastroenterology Physician providers in Pennsylvania

There are 163 pediatric gastroenterology physician records in Pennsylvania.

The 8 pediatric gastroenterology physician records with the nearest ZIP codes

  1. Virginia Chinn, DOPhiladelphia, PA 191341629530753
  2. Ashish Dhawan, MD, MSPHPhiladelphia, PA 191341770729188
  3. Laurence Feinstein, MDPhiladelphia, PA 191341184918120
  4. Ellen Mitchell, MDPhiladelphia, PA 191341952669186
  5. Samantha Paglinco, DOPhiladelphia, PA 191341922504836
  6. Vesta Salehi, M.D.Philadelphia, PA 191341528225273
  7. Philip Stein, MDPhiladelphia, PA 191341689831968
  8. Khadija Toor, MDPhiladelphia, PA 191341225290919

Common questions

What is Kathy Diana Chen, MD's NPI number?

Kathy Diana Chen, MD's National Provider Identifier (NPI) is 1649352774, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathy Diana Chen, MD located?

The NPPES record lists a practice address at Erie Avenue AT Front Street, Philadelphia, PA, 19134. Phone: (215) 427-6778. Providers update this record themselves, so call before visiting.

How can I verify Kathy Diana Chen, MD's license?

NPPES lists Pennsylvania license number MD-424334, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kathy Diana Chen, MD prescribe under Medicare Part D?

In 2024, Kathy Diana Chen, MD had 11 Medicare Part D claims; the average among pediatric gastroenterology physician prescribers was 42. 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.