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Stephen Castaldi
NPI 1982558680 · Physician Assistant · Buffalo, NY
Stephen Castaldi is a Physician Assistant provider in Buffalo, NY (NPI 1982558680).
Provider details
- NPI number
- 1982558680
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sole proprietor
- No
- License
- 035171 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Established profile(53/100 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
77 Goodell St Ste 340
Buffalo, NY 14203-1243
Phone: (716) 888-4703
Street-level locationGet directions
Mailing address
77 Goodell St Ste 340
Buffalo, NY 14203-1243
Registry dates
- Enumerated
- 2026-02-21
- Last updated
- 2026-02-21
- Certified
- 2026-02-21
Frequently asked questions
- What is Stephen Castaldi's NPI number?
- Stephen Castaldi's National Provider Identifier (NPI) is 1982558680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Castaldi's specialty?
- Stephen Castaldi is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephen Castaldi located?
- Stephen Castaldi's practice location on file with NPPES is 77 Goodell St Ste 340, Buffalo, NY 14203-1243.
- What is Stephen Castaldi's phone number?
- The practice phone number listed in the NPPES registry for Stephen Castaldi is (716) 888-4703.
- Is Stephen Castaldi's NPI active?
- Yes — Stephen Castaldi's NPI (1982558680) is active in the NPPES registry as of the last update on 2026-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.