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DR. ERIC PUNG SUN MD, MPH
NPI 1255905782
Pediatrics in New Haven, CT

Active since May 19, 2021PECOS Enrolled
20 YORK ST, NEW HAVEN, CT 06510(424) 220-3688 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 13, 2025, Dec 27, 2022, May 19, 2021 (3 updates tracked since 2021).

About Dr. Eric Pung Sun Md, Mph NPPES

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

DR. ERIC PUNG SUN MD, MPH (NPI 1255905782) is an individual pediatrics provider in New Haven, Connecticut, licensed in Connecticut (81282) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2021).

NPPES Registry Identity

NPI1255905782
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. ERIC PUNG SUNCredential: MD, MPH
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing AddressPo Box 208064New Haven, CT 06520-8064
Phone(424) 220-3688
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2021
Enumeration DateMay 19, 2021
Last NPPES UpdateAugust 13, 20253 updates tracked since enumeration
NPPES CertifiedAugust 13, 2025
✔ NPI 1255905782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 81282
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 81282 (CT)
20 YORK ST, New Haven, CT 06510
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Eric Pung Sun Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID749686715
PECOS Enrollment IDI20251121004355
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 Eric Sun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yale University
0.4 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432
Greenwich Hospital
41 mi
General Acute Care Hospital
5 PERRYRIDGE RD
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • 268 clinicians in this Medicare group
NPI 1609846088 (203) 863-3000

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 06510 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

AUDREY P SENIOR APRN
Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5860
DR. YEISID F FIGUEREDO M.D.
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2320
YALE NEW HAVEN HOSPITAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2046
TAYLOR KINGSTON
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-9185
DR. TRAVIS DANIEL BONTRAGER MD
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-1734
TERESA JOSEPH D.O.
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 737-8894
MR. BRAD ST. MARTIN MD
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
BERNADETTE BIMONTE-HACKETT LCSW
Social Worker (Clinical)
20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-5161

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 Eric Sun's NPI number?

The NPI number for Eric Sun is 1255905782. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Where is Eric Sun located?

Eric Sun practices at 20 York St, New Haven, CT 06510. The listed phone number is (424) 220-3688.

What is Eric Sun's specialty?

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

Is Eric Sun enrolled in Medicare?

Yes. Eric Sun is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Eric Sun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eric Sun reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Greenwich Hospital (Greenwich, CT). 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 Eric Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eric Sun accept?

Health plans from Anthem Blue Cross and Blue Shield list Eric Sun 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 Eric Sun was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.