JOHN WOLK M.D.
NPI 1225052335
Pathology - Anatomic Pathology & Clinical Pathology in Brewster, NY
About John Wolk M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN WOLK M.D. (NPI 1225052335) is an individual anatomic pathology & clinical pathology provider in Brewster, New York, licensed in Connecticut (034158) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Wolk M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Wolk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
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 10509 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Wolk's NPI number?
The NPI number for John Wolk is 1225052335. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is John Wolk located?
John Wolk practices at 2 International Blvd, Brewster, NY 10509. The listed phone number is (452) 304-0218.
What is John Wolk's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is John Wolk enrolled in Medicare?
Yes. John Wolk is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Wolk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Wolk reassigns Medicare benefits to Optum Medical Care, P.C. (Mount Kisco, 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 John Wolk'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 John Wolk was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.