Alain Mass, MD
NPI 1356448088 · Family Medicine Physician · Nanuet, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alain Mass, MD is a Family Medicine Physician provider in Nanuet, NY (NPI 1356448088).
Provider details
- NPI number
- 1356448088
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 225181 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 52 | 12 |
| Nystatin | 32 | — |
| Primaquine Phosphatebrand: Primaquine | 27 | — |
| Rifampin | 27 | — |
| Minocycline Hcl | 24 | — |
| Atovaquone | 24 | — |
| Levothyroxine Sodium | 20 | — |
| Liothyronine Sodium | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-17
- Last updated
- 2017-02-28
Frequently asked questions
- What is Alain Mass's NPI number?
- Alain Mass's National Provider Identifier (NPI) is 1356448088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alain Mass's specialty?
- Alain Mass is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alain Mass located?
- Alain Mass's practice location on file with NPPES is 55 Old Nyack Tpke, Nanuet, NY 10954-2461.
- What is Alain Mass's phone number?
- The practice phone number listed in the NPPES registry for Alain Mass is (845) 623-0047.
- Does Alain Mass accept Medicare?
- Alain Mass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alain Mass's NPI active?
- Yes — Alain Mass's NPI (1356448088) is active in the NPPES registry as of the last update on 2017-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.