What is Joseph Mostowy's NPI number?

Joseph Mostowy's National Provider Identifier (NPI) is 1083506380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joseph Mostowy's specialty?

Joseph Mostowy is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is Joseph Mostowy located?

Joseph Mostowy's practice location on file with NPPES is 3839 Delaware Ave, Tonawanda, NY 14217-1040.

What is Joseph Mostowy's phone number?

The practice phone number listed in the NPPES registry for Joseph Mostowy is (716) 874-9981.

Is Joseph Mostowy's NPI active?

Yes — Joseph Mostowy's NPI (1083506380) is active in the NPPES registry as of the last update on 2025-07-21.

IndividualActive

Joseph Mostowy, DDS

NPI 1083506380 · Dentist · Tonawanda, NY

Joseph Mostowy, DDS is a Dentist provider in Tonawanda, NY (NPI 1083506380).

Provider details

NPI number: 1083506380
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: DDS
Sex: Male
Sole proprietor: No
License: 064800 (NY)

Specialties & taxonomies

DentistPrimary122300000XLicense 064800 (NY)
Dental Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

3839 Delaware Ave

Tonawanda, NY 14217-1040

Phone: (716) 874-9981

Street-level locationGet directions

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Mailing address