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DR. JEFFREY A STOCK MD
NPI 1659331932
Urology - Pediatric Urology in New York, NY

Active since March 23, 2006PECOS Enrolled
5 E 98TH ST, BOX 1272, NEW YORK, NY 10029(212) 241-4812 Get Directions Write a Review

NPPES record last updated: October 26, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Jeffrey A Stock Md NPPES

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

DR. JEFFREY A STOCK MD (NPI 1659331932) is an individual pediatric urology provider in New York, New York, licensed in New York (195605-1) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659331932
Entity TypeIndividualMale
Primary Taxonomy2088P0231X
Provider Legal NameDR. JEFFREY A STOCKCredential: MD
Location Address5 E 98TH ST, BOX 1272New York, NY 10029-6501
Mailing Address5 E 98th St, 6th FloorNew York, NY 10029-6501 · (212) 241-4812
Phone(212) 241-4812
Sole ProprietorNo
Enumeration DateMarch 23, 2006
Last NPPES UpdateOctober 26, 2012
✔ NPI 1659331932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrology · Pediatric UrologyAllopathic & Osteopathic Physicians
Taxonomy Code2088P0231X
License✔ Licensed in NY · 195605-1
Definition
Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).
5 E 98TH ST, New York, NY 10029
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Other Identifiers 3

Medicare ID-Type Unspecified51T072NY
Medicaid01798094NY
Medicare UPINF70819

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeffrey A Stock 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 Reassignment

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

Icahn School Of Medicine At Mount Sinai
Same address
Ophthalmology
5 E 98TH ST FL 7, BOX 1183
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • Also billed through NPI 1750647152 (New York), NPI 1538407176 (New York)
  • 155 clinicians in this Medicare group
NPI 1437421252 (212) 241-0939

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 20

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

REBECCA BARZI NP
Nurse Practitioner (Family)
5 E 98TH ST
NEW YORK, NY 10029
New York County (212) 241-0764
BELINDA YEW PHD
Psychologist (Clinical)
5 E 98TH ST
NEW YORK, NY 10029
New York County (929) 224-3803
JADEN BAYE-CIGNA PA-C
Physician Assistant
5 E 98TH ST
NEW YORK, NY 10029
New York County (212) 241-9728
SUPINDA BUNYAVANICH M.D.
Allergy & Immunology
5 E 98TH ST
NEW YORK, NY 10029
New York County (212) 241-5548
DR. SHELDON LICHTBLAU M.D.
Orthopaedic Surgery
5 E 98TH ST, BOX 1188
NEW YORK, NY 10029
New York County (212) 241-1645
DR. YOUSAF ALI MD
Internal Medicine (Rheumatology)
5 E 98TH ST
NEW YORK, NY 10029
New York County (212) 659-9210
MRS. LESLIE CARLSON SCHLACHTER PA
Physician Assistant
5 E 98TH ST, 6TH FLOOR UROLOGY
NEW YORK, NY 10029
New York County (212) 241-5629
ORTHOPEDICS 2 DEPARTMENT OF MOUNT SINAI
Specialist
5 E 98TH ST
NEW YORK, NY 10029
New York County (212) 241-8892

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 Jeffrey Stock's NPI number?

The NPI number for Jeffrey Stock is 1659331932. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Jeffrey Stock located?

Jeffrey Stock practices at 5 E 98th St Box 1272, New York, NY 10029. The listed phone number is (212) 241-4812.

What is Jeffrey Stock's specialty?

The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.

Is Jeffrey Stock enrolled in Medicare?

Yes. Jeffrey Stock is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffrey Stock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Stock reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Jeffrey Stock'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 Jeffrey Stock was last updated on October 26, 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.