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

JENNIFER KAREN SUN MD, PHD
NPI 1255891412
Pediatrics in Philadelphia, PA

Active since March 23, 2019PECOS Enrolled
85.48/100
CMS Quality Rating
3400 SPRUCE ST, PHILADELPHIA, PA 19104(215) 662-2532 Get Directions Write a Review

NPPES record last updated: September 26, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 17, 2023, Mar 23, 2019 (2 updates tracked since 2019).

About Jennifer Karen Sun Md, Phd NPPES

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

JENNIFER KAREN SUN MD, PHD (NPI 1255891412) is an individual pediatrics provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD480579) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255891412
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameJENNIFER KAREN SUNCredential: MD, PHD
Location Address3400 SPRUCE STPhiladelphia, PA 19104-4238
Mailing Address2036 Pemberton StPhiladelphia, PA 19146-1319 · (312) 316-3962
Phone(215) 662-2532
Sole ProprietorNo
Enumeration DateMarch 23, 2019
Last NPPES UpdateSeptember 26, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2023
✔ NPI 1255891412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in PA · MD480579
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.
3400 SPRUCE ST, Philadelphia, PA 19104
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer Karen Sun Md, Phd 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 Jennifer Sun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Penn - Medical Group
Same address
Hospitalist
3400 SPRUCE ST
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 752 clinicians in this Medicare group
NPI 1053447151 (215) 662-4000
Trustees Of The University Of Pennsylvania
0.5 mi
Internal Medicine
51 N 39TH ST
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 199 clinicians in this Medicare group
NPI 1124882949 (215) 662-8000

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 19104 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.6
Promoting Interoperability100
Improvement Activities40

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.

ELIZABETH FOGLIA MD
Pediatrics
3400 SPRUCE ST, 8 RAVDIN
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3228
JOEL M STEIN MD
Radiology (Diagnostic Radiology)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3005
PRISCILLA NELSON M.D.
Anesthesiology
3400 SPRUCE ST, 6 DULLES
PHILADELPHIA, PA 19104
Philadelphia County (215) 349-8310
DR. JASON THOMAS ACKRIVO MD
Internal Medicine (Pulmonary Disease)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 614-0871
JEAN-PHILIPPE RICHARD DMD
Student in an Organized Health Care Education/Training Program
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-6176
LEAH M LOPEZ PA-C
Physician Assistant (Medical)
3400 SPRUCE ST, 4 SILVERSTEIN
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-7870
JOANIE M GARRATT MD
Radiology (Diagnostic Radiology)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3000
JENNIFER DEKERLEGAND
Physical Therapist
3400 SPRUCE ST, 1 WHITE BUILDING
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-3265

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 Jennifer Sun's NPI number?

The NPI number for Jennifer Sun is 1255891412. It was assigned to this individual provider in the NPPES registry on March 23, 2019.

Where is Jennifer Sun located?

Jennifer Sun practices at 3400 Spruce St, Philadelphia, PA 19104. The listed phone number is (215) 662-2532.

What is Jennifer Sun's specialty?

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

Is Jennifer Sun enrolled in Medicare?

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

Which organizations bill Medicare for Jennifer Sun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Sun reassigns Medicare benefits to 2 organizations: University Of Penn - Medical Group (Philadelphia, PA) and Trustees Of The University Of Pennsylvania (Philadelphia, 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 Jennifer Sun'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 Jennifer Sun was last updated on September 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.