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MR. WILLIAM A. COOK M.D.
NPI 1790773299
Specialist in Staten Island, NY

Active since October 10, 2005PECOS Enrolled
1050 CLOVE RD, STATEN ISLAND, NY 10301(718) 816-6440(718) 816-3642 Get Directions Write a Review

NPPES record last updated: November 12, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. William A. Cook M.d. NPPES

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

MR. WILLIAM A. COOK M.D. (NPI 1790773299) is an individual specialist in Staten Island, New York, licensed in New York (152888) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790773299
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameMR. WILLIAM A. COOKCredential: M.D.
Location Address1050 CLOVE RDStaten Island, NY 10301-3627
Mailing Address2791 Richmond Ave, Suite 201Staten Island, NY 10314-5882 · (718) 816-6440 · Fax (718) 816-3611
Phone(718) 816-6440
Fax(718) 816-3642
Sole ProprietorNo
Enumeration DateOctober 10, 2005
Last NPPES UpdateNovember 12, 2012
✔ NPI 1790773299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · 152888
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1050 CLOVE RD, Staten Island, NY 10301
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Other Identifiers 3

Medicare ID-Type Unspecified5Q5401NY
Medicaid01546529NY
Medicare UPINE86308NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William A. Cook 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.

Medicare Billing Reassignment

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

Icahn School Of Medicine At Mount Sinai
14 mi
Hematology & Oncology
1 GUSTAVE L LEVY PL
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 275 clinicians in this Medicare group
NPI 1750649612 (212) 241-6756

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.

DEEPAK VADADA MD
Internal Medicine (Gastroenterology)
1050 CLOVE RD
STATEN ISLAND, NY 10301
Richmond County (718) 816-6440
MS. KERRIE MOLLOY-BARR N.P.
Nurse Practitioner (Family)
1050 CLOVE RD
STATEN ISLAND, NY 10301
Richmond County (718) 816-6440
ASHRAF SABRY HANNA MD
Internal Medicine
1050 CLOVE RD
STATEN ISLAND, NY 10301
Richmond County (718) 816-6440
DR. KEITH JOSEPH DAHL D.O.
Internal Medicine (Gastroenterology)
1050 CLOVE RD
STATEN ISLAND, NY 10301
Richmond County (718) 816-6440
LANCE JUNG MD
Surgery
1050 CLOVE RD
STATEN ISLAND, NY 10301
Richmond County (718) 816-6440
ADVANTAGECARE PHYSICIANS PC
Internal Medicine
1050 CLOVE RD, UCC
STATEN ISLAND, NY 10301
Richmond County (646) 680-1525
MARCELINA MEDRANO MD
Pediatrics
1050 CLOVE RD
STATEN ISLAND, NY 10301
Richmond County (718) 816-6440
JAMES GERARD REILLY D.O.
Obstetrics & Gynecology
1050 CLOVE RD
STATEN ISLAND, NY 10301
Richmond County (718) 816-6440

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 William Cook's NPI number?

The NPI number for William Cook is 1790773299. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Where is William Cook located?

William Cook practices at 1050 Clove Rd, Staten Island, NY 10301. The listed phone number is (718) 816-6440.

What is William Cook's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is William Cook enrolled in Medicare?

Yes. William Cook is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Cook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Cook 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 William Cook'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 William Cook was last updated on November 12, 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.