DR. ALEXANDER PARPAS M.D.
NPI 1356752448
Internal Medicine - Nephrology in Nyack, NY
About Dr. Alexander Parpas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER PARPAS M.D. (NPI 1356752448) is an individual nephrology provider in Nyack, New York, licensed in New York (290622) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Nyack Hospital, and is a graduate of Other (2013).
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
Dr. Alexander Parpas 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
5Medicare enrollment records show Alexander Parpas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norwood, NJ 07648
- Reassigned Medicare billing, New Jersey enrollment
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 19 clinicians in this Medicare group
Brooklyn, NY 11203
- Reassigned Medicare billing, New York enrollment
- 291 clinicians in this Medicare group
East Patchogue, NY 11772
- Reassigned Medicare billing, New York enrollment
- 640 clinicians in this Medicare group
Woonsocket, RI 02895
- Reassigned Medicare billing, Rhode Island enrollment
- 119 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyack Hospital
Acute Care Hospitals · Nyack, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10960 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.
NYACK, NY 10960
NYACK, NY 10960
NYACK, NY 10960
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 Alexander Parpas's NPI number?
The NPI number for Alexander Parpas is 1356752448. It was assigned to this individual provider in the NPPES registry on May 12, 2014.
Where is Alexander Parpas located?
Alexander Parpas practices at 160 N Midland Ave, Nyack, NY 10960. The listed phone number is (845) 348-2000.
What is Alexander Parpas's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Alexander Parpas enrolled in Medicare?
Yes. Alexander Parpas 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 Alexander Parpas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Parpas reassigns Medicare benefits to 5 organizations: Best Life Medical Care (Norwood, NJ), Kidney Medical Associates PLLC (Bronx, NY), University Physicians Of Brooklyn, Inc (Brooklyn, NY), Cogent Medical Care PC (East Patchogue, NY) and Prime Healthcare Services Landmark LLC (Woonsocket, RI). 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 Alexander Parpas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Parpas affiliated with any hospitals?
According to CMS data, Alexander Parpas is affiliated with Nyack Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Parpas was last updated on March 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.