MR. ALAIN M MASS MD
NPI 1356448088
Family Medicine in Nanuet, NY
About Mr. Alain M Mass Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ALAIN M MASS MD (NPI 1356448088) is an individual family medicine provider in Nanuet, New York, licensed in New York (225181) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
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 (PECOS)
Mr. Alain M Mass Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Alain Mass reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Yonkers, NY 10710
- Reassigned Medicare billing, New York enrollment
- 596 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
New York, NY 10017
- Reassigned Medicare billing, New York enrollment
- 8 clinicians in this Medicare group
Brooklyn, NY 11205
- Reassigned Medicare billing, New York enrollment
- 36 clinicians in this Medicare group
Brooklyn, NY 11210
- Reassigned Medicare billing, New York enrollment
- 279 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 10954 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NANUET, NY 10954
NANUET, NY 10954
NANUET, NY 10954
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 Alain Mass's NPI number?
The NPI number for Alain Mass is 1356448088. It was assigned to this individual provider in the NPPES registry on September 17, 2006.
Where is Alain Mass located?
Alain Mass practices at 55 Old Nyack Tpke Townehouse Office Park, Suite 103, Nanuet, NY 10954. The listed phone number is (845) 623-0047.
What is Alain Mass's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alain Mass enrolled in Medicare?
Yes. Alain Mass is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alain Mass's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alain Mass reassigns Medicare benefits to 5 organizations: City Medical Of Upper East Side, PLLC (Yonkers, NY), West 49th Street Medical Practice, PC (New York, NY), Medrite Medical Care PC (New York, NY), Rite Medical Care PC (Brooklyn, NY) and Ahava Medical And Rehabilitation Center, LLC (Brooklyn, 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 Alain Mass'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 Alain Mass was last updated on February 28, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mr. Alain M Mass, MD · NPI 1356448088
Family Medicine physician in Nanuet, New York. Individual provider, active in the CMS NPPES registry since September 17, 2006.
## Identity
- **NPI:** 1356448088 (Entity type: Individual)
- **Enumerated:** September 17, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 225181 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 55 OLD NYACK TPKE, TOWNEHOUSE OFFICE PARK, SUITE 103, Nanuet, NY 10954-2461
- **Phone:** (845) 623-0047 · **Fax:** (845) 623-0049
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): City Medical Of Upper East Side, PLLC (NPI 1871919811, Yonkers, NY); West 49th Street Medical Practice, PC (NPI 1164702627, New York, NY); Medrite Medical Care PC (NPI 1386954055, New York, NY); Rite Medical Care PC (NPI 1619599578, Brooklyn, NY); Ahava Medical And Rehabilitation Center, LLC (NPI 1184878274, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 28, 2017
- **Other identifiers:** Medicare PIN 5189D1 (NY); Medicaid 02337373 (NY); Medicare UPIN H88228 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1356448088) · Data from the CMS NPPES public registry.