Ferdinand Massari, MD
NPI 1265677876 · Allergy & Immunology Physician · Hyde Park, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ferdinand Massari, MD is a Allergy & Immunology Physician provider in Hyde Park, NY (NPI 1265677876).
Provider details
- NPI number
- 1265677876
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 24034I1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-10
- Last updated
- 2015-12-01
Frequently asked questions
- What is Ferdinand Massari's NPI number?
- Ferdinand Massari's National Provider Identifier (NPI) is 1265677876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ferdinand Massari's specialty?
- Ferdinand Massari is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Ferdinand Massari located?
- Ferdinand Massari's practice location on file with NPPES is 268 E Fallkill Rd, Hyde Park, NY 12538-3025.
- What is Ferdinand Massari's phone number?
- The practice phone number listed in the NPPES registry for Ferdinand Massari is (845) 266-4690.
- Does Ferdinand Massari accept Medicare?
- Ferdinand Massari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ferdinand Massari's NPI active?
- Yes — Ferdinand Massari's NPI (1265677876) is active in the NPPES registry as of the last update on 2015-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.