1. Home
  2. Directory
  3. Pennsylvania
  4. Philadelphia
  5. Pediatrics
  6. NPI Profile

DR. KATHY DIANA CHEN MD
NPI 1649352774
Pediatrics - Pediatric Gastroenterology in Philadelphia, PA

Active since October 19, 2006PECOS Enrolled
ERIE AVENUE AT FRONT STREET, ST. CHRISTOPHER'S HOSPITAL FOR CHILDREN, GASTRO, PHILADELPHIA, PA 19134(215) 427-6778(215) 427-6782 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Kathy Diana Chen Md NPPES

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

DR. KATHY DIANA CHEN MD (NPI 1649352774) is an individual pediatric gastroenterology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD-424334) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649352774
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameDR. KATHY DIANA CHENCredential: MD
Location AddressERIE AVENUE AT FRONT STREET, ST. CHRISTOPHER'S HOSPITAL FOR CHILDREN, GASTROPhiladelphia, PA 19134
Mailing Address329 Mulberry LnElkins Park, PA 19027-1610 · (215) 886-1379 · Fax (215) 427-6782
Phone(215) 427-6778
Fax(215) 427-6782
Sole ProprietorYes
Enumeration DateOctober 19, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1649352774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in PA · MD-424334
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
ERIE AVENUE AT FRONT STREET, Philadelphia, PA 19134
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINI-13727PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kathy Diana Chen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Kathy Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Childrens Health Care Associates, Inc
5.4 mi
Neurology
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,225 clinicians in this Medicare group
NPI 1033204086 (215) 590-1000
St Luke's Physician Group Inc
18 mi
Urogynecology and Reconstructive Pelvic Surgery
419 S BROAD ST UNIT 4
Lansdale, PA 19446
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: St Lukes Physician Group Inc
  • 2,851 clinicians in this Medicare group
NPI 1295620607 (215) 536-3200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19134 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
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 8

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

DR. CAMERON PROCTOR AMIRAULT MD
Pediatrics
ERIE AVENUE AT FRONT STREET
PHILADELPHIA, PA 19134
Philadelphia County (215) 427-5000
DR. JANNET JIEYUN LEE-JAYARAM M.D.
Pediatrics (Pediatric Emergency Medicine)
ERIE AVENUE AT FRONT STREET, ST. CHRISTOPHER'S HOSPITAL FOR CHILDREN EMERGENCY DEPT
PHILADELPHIA, PA 19134
Philadelphia County (215) 427-8431
ASPASIA FISSIKOUDI MD
Pediatrics (Neonatal-Perinatal Medicine)
ERIE AVENUE AT FRONT STREET
PHILADELPHIA, PA 19134
Philadelphia County (215) 427-5202
DR. JONATHAN STEINFELD M.D.
Pediatrics (Pediatric Pulmonology)
ERIE AVENUE AT FRONT STREET, ST. CHRISTOPHER'S HOSPITAL, PEDIATRIC PULMONOLOGY
PHILADELPHIA, PA 19134
Philadelphia County (215) 427-5183
DR. JILL ANN FOSTER MD
Pediatrics (Pediatric Infectious Diseases)
ERIE AVENUE AT FRONT STREET, ST. CHRISTOPHER'S HOSPITAL FOR CHILDREN
PHILADELPHIA, PA 19134
Philadelphia County (215) 427-5284
MALA RASTOGI DO
Anesthesiology (Pediatric Anesthesiology)
ERIE AVENUE AT FRONT STREET, ST.CHRISTOPHERS HOSPITAL
PHILADELPIA, PA 19134
Philadelphia County (215) 427-5220
KATHLEEN MCHUGH LONGO CRNP
Nurse Practitioner
ERIE AVENUE AT FRONT STREET, ST CHRISTOPHERS HOSPITAL FOR CHILDREN
PHILADELPHIA, PA 19134
Philadelphia County (215) 427-4713
MRS. SUSAN JULIA FINN CRNP
Nurse Practitioner (Pediatrics)
ERIE AVENUE AT FRONT STREET
PHILADELPHIA, PA 19134
Philadelphia County (215) 427-5958

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 Kathy Chen's NPI number?

The NPI number for Kathy Chen is 1649352774. It was assigned to this individual provider in the NPPES registry on October 19, 2006.

Where is Kathy Chen located?

Kathy Chen practices at Erie Avenue At Front Street St. Christopher's Hospital For Children, Gastro, Philadelphia, PA 19134. The listed phone number is (215) 427-6778.

What is Kathy Chen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Kathy Chen enrolled in Medicare?

Yes. Kathy Chen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kathy Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathy Chen reassigns Medicare benefits to 2 organizations: Childrens Health Care Associates, Inc (Philadelphia, PA) and St Luke's Physician Group Inc (Lansdale, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathy Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kathy Chen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.