JOHN PETER SFAKIANOS M.D.
NPI 1295904084
Urology in New York, NY
About John Peter Sfakianos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN PETER SFAKIANOS M.D. (NPI 1295904084) is an individual urology provider in New York, New York, licensed in New York (265049) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of State University Of New York At Buffalo School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 2
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
John Peter Sfakianos M.d. 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 Reassignments
3Medicare enrollment records show John Sfakianos reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 452 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 74 clinicians in this Medicare group
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 836 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.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYMount Sinai South Nassau
Acute Care Hospitals · Oceanside, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 18
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
NEW YORK, NY 10065
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 Sfakianos's NPI number?
The NPI number for John Sfakianos is 1295904084. It was assigned to this individual provider in the NPPES registry on February 26, 2008.
Where is John Sfakianos located?
John Sfakianos practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 639-2000.
What is John Sfakianos's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is John Sfakianos enrolled in Medicare?
Yes. John Sfakianos 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 organizations bill Medicare for John Sfakianos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Sfakianos reassigns Medicare benefits to 3 organizations: Mskcc Surgery Group (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY) and Icahn School Of Medicine At Mount Sinai (Elmhurst, NY). Each 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 Sfakianos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Sfakianos affiliated with any hospitals?
According to CMS data, John Sfakianos is affiliated with Mount Sinai Hospital and Mount Sinai South Nassau.
When was this NPI record last updated?
The NPPES record for John Sfakianos was last updated on June 7, 2013. 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.