DR. GWENDOLYN SARVER CHUNG M.D.
NPI 1942249149
Pediatrics in Allentown, PA

Active since June 05, 2006PECOS Enrolled
401 N 17TH ST, ALLENTOWN, PA 18104(610) 821-8033(610) 821-8931 Get Directions Write a Review

NPPES record last updated: July 27, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gwendolyn Sarver Chung M.d. NPPES

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

DR. GWENDOLYN SARVER CHUNG M.D. (NPI 1942249149) is an individual pediatrics provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD427555) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942249149
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. GWENDOLYN SARVER CHUNGCredential: M.D.
Location Address401 N 17TH STAllentown, PA 18104-5034
Mailing AddressPo Box 1754Allentown, PA 18105-1754 · (610) 798-4500 · Fax (610) 798-4699
Fax(610) 821-8931
Sole ProprietorNo
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 27, 2007
✔ NPI 1942249149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in PA · MD427555
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
401 N 17TH ST, Allentown, PA 18104

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gwendolyn Sarver Chung M.d. 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 Reassignment

Medicare enrollment records show Gwendolyn Chung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
401 N 17TH ST, SUITE 201
Allentown, PA 18104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,895 clinicians in this Medicare group

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 18104 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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 20

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

Pediatrics (Pediatric Cardiology)
401 N 17TH ST, SUITE 309
ALLENTOWN, PA 18104
Allergy & Immunology (Allergy)
401 N 17TH ST, SUITE 211
ALLENTOWN, PA 18104
Pediatrics
401 N 17TH ST, SUITE 203
ALLENTOWN, PA 18104
Pediatrics
401 N 17TH ST, SUITE 203
ALLENTOWN, PA 18104
Nurse Practitioner (Pediatrics)
401 N 17TH ST, SUITE 203
ALLENTOWN, PA 18104
Optometrist
401 N 17TH ST, SUITE 103
ALLENTOWN, PA 18104
Pediatrics
401 N 17TH ST, SUITE 203
ALLENTOWN, PA 18104
Nurse Practitioner (Family)
401 N 17TH ST
ALLENTOWN, PA 18104

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 Gwendolyn Chung's NPI number?

The NPI number for Gwendolyn Chung is 1942249149. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Gwendolyn Chung located?

Gwendolyn Chung practices at 401 N 17th St, Allentown, PA 18104. The listed phone number is (610) 821-8033.

What is Gwendolyn Chung's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Gwendolyn Chung enrolled in Medicare?

Yes. Gwendolyn Chung is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gwendolyn Chung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gwendolyn Chung reassigns Medicare benefits to Lehigh Valley Physician Group (Allentown, PA). The 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 Gwendolyn Chung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gwendolyn Chung accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Gwendolyn Chung as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gwendolyn Chung was last updated on July 27, 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.