Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JAY N. GREENBERG M.D.
NPI 1396723359
Pediatrics - Pediatric Hematology-Oncology in Fairfax, VA

Q: What is Jay Greenberg's NPI number?

The NPI number for Jay Greenberg is 1396723359. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Q: What is Jay Greenberg's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Q: When was this NPI record last updated?

The NPPES record for Jay Greenberg was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since January 09, 2006PECOS Enrolled

8301 ARLINGTON BLVD, SUITE 209, FAIRFAX, VA 22031(703) 876-9111(703) 698-8338 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Jay N. Greenberg M.d. NPPES

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

DR. JAY N. GREENBERG M.D. (NPI 1396723359) is an individual pediatric hematology-oncology provider in Fairfax, Virginia, licensed in Virginia (0101040287) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396723359

Entity TypeIndividualMale

Primary Taxonomy2080P0207X

Provider Legal NameDR. JAY N. GREENBERGCredential: M.D.

Location Address8301 ARLINGTON BLVD, SUITE 209Fairfax, VA 22031-2902

Mailing Address8301 Arlington Blvd, Suite 209Fairfax, VA 22031-2902 · (703) 876-9111 · Fax (703) 698-8338

Phone(703) 876-9111

Fax(703) 698-8338

Sole ProprietorNo

Enumeration DateJanuary 9, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1396723359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in VA · 0101040287

Definition

A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

8301 ARLINGTON BLVD, Fairfax, VA 22031

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jay N. Greenberg 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.