NESTOR D BLYZNAK MD
NPI 1649377524
Orthopaedic Surgery in Stony Brook, NY
About Nestor D Blyznak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NESTOR D BLYZNAK MD (NPI 1649377524) is an individual orthopaedic surgery provider in Stony Brook, New York, licensed in New York (150695) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Nestor D Blyznak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Nestor Blyznak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 32 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 11794 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
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 Nestor Blyznak's NPI number?
The NPI number for Nestor Blyznak is 1649377524. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Nestor Blyznak located?
Nestor Blyznak practices at 100 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 444-6996.
What is Nestor Blyznak's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Nestor Blyznak enrolled in Medicare?
Yes. Nestor Blyznak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Nestor Blyznak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nestor Blyznak reassigns Medicare benefits to Stony Brook Orthopaedic Associates, University Faculty Practice Corpor (Stony Brook, 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 Nestor Blyznak'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 Nestor Blyznak was last updated on October 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Nestor D Blyznak, MD · NPI 1649377524
Orthopaedic Surgery physician in Stony Brook, New York. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1649377524 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 150695 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 NICOLLS RD, Stony Brook, NY 11794-8181
- **Phone:** (631) 444-6996 · **Fax:** (631) 444-7671
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Stony Brook Orthopaedic Associates, University Faculty Practice Corpor (NPI 1154377638, Stony Brook, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1981
## Record status
- **NPPES last updated:** October 16, 2012
- **Other identifiers:** Medicaid 001077352 (NY); Medicare PIN 26E191 (NY); Medicare UPIN A61675 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1649377524) · Data from the CMS NPPES public registry.