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DR. JAY S. GREENSPAN MD
NPI 1639234594
Pediatrics - Neonatal-Perinatal Medicine in Philadelphia, PA

Active since December 22, 2006PECOS Enrolled
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET, PHILADELPHIA, PA 19107(215) 955-6000(215) 923-9519 Get Directions Write a Review

NPPES record last updated: December 5, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Jay S. Greenspan Md NPPES

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

DR. JAY S. GREENSPAN MD (NPI 1639234594) is an individual neonatal-perinatal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD032008E) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639234594
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. JAY S. GREENSPANCredential: MD
Location AddressTHOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREETPhiladelphia, PA 19107-4824
Mailing AddressPo Box 191, Provider Enrollment DeptRockland, DE 19732-0191 · (302) 651-6212 · Fax (302) 651-4945
Phone(215) 955-6000
Fax(215) 923-9519
Sole ProprietorNo
Enumeration DateDecember 22, 2006
Last NPPES UpdateDecember 5, 2012
✔ NPI 1639234594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in PA · MD032008E
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
THOMAS JEFFERSON UNIVERSITY HOSPITAL, Philadelphia, PA 19107
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Other Identifiers 6

Medicare PIN133340
Medicaid2401509NJ
Medicaid1124586PA
Medicaid7301111MD
Medicare UPINC31230
Medicare PIN063080ROT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jay S. Greenspan 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 Jay Greenspan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Nemours Foundation
0.2 mi
Multi-Specialty
833 CHESTNUT ST STE 301
Philadelphia, PA 19107
  • Reassigned Medicare billing, Delaware enrollment
  • 526 clinicians in this Medicare group
NPI 1902959653 (215) 955-5800
Children's Health Care Associates Of New Jersey PC
12 mi
Pediatrics
1012 LAUREL OAK RD, SPECIALTY CENTER AT VOORHEES - CHOP
Voorhees, NJ 08043
  • Reassigned Medicare billing, New Jersey enrollment
  • 190 clinicians in this Medicare group
NPI 1669567681 (856) 435-1300

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

Other Providers at the Same Location NPPES 10

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

CATHARINE MARIA FARNAN CRNP
Nurse Practitioner (Gerontology)
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 11TH AND WALNUTS STREETS
PHILADELPHIA, PA 19107
Philadelphia County (856) 979-5700
MS. DIANE M. TRAVLOS APN
Nurse Practitioner
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000
MS. CAROLINE M. SWEENEY APN
Nurse Practitioner
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000
MS. KSENIA G. ZUKOWSKY APN
Nurse Practitioner
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000
MRS. RUTH K. EANES APN
Nurse Practitioner
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000
DR. KOLAWOLE O. SOLARIN MD
Pediatrics (Neonatal-Perinatal Medicine)
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000
MS. DOROTHY L. MCELWEE APN
Nurse Practitioner
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000
DR. SUSAN C. ADENIYI-JONES MD
Pediatrics (Neonatal-Perinatal Medicine)
THOMAS JEFFERSON UNIVERSITY HOSPITAL, 111 S. 11TH STREET
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000

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 Jay Greenspan's NPI number?

The NPI number for Jay Greenspan is 1639234594. It was assigned to this individual provider in the NPPES registry on December 22, 2006.

Where is Jay Greenspan located?

Jay Greenspan practices at Thomas Jefferson University Hospital 111 S. 11th Street, Philadelphia, PA 19107. The listed phone number is (215) 955-6000.

What is Jay Greenspan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Jay Greenspan enrolled in Medicare?

Yes. Jay Greenspan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jay Greenspan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jay Greenspan reassigns Medicare benefits to 2 organizations: The Nemours Foundation (Philadelphia, PA) and Children's Health Care Associates Of New Jersey PC (Voorhees, NJ). 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 Jay Greenspan'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 Jay Greenspan was last updated on December 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.