Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Stephen Michael Castaldi

Individual provider Physician Assistant · NPI 1982558680

Stephen Michael Castaldi is a Physician Assistant in Buffalo, New York. Qualified in 2025, 1 year ago. Practices with University Emergency Medical Services Inc, a 91-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
1
Licensed in
NY
In the registry since
2026
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Practice location Address checks out

77 Goodell St Ste 340
Buffalo, NY 14203-1243
Phone: (716) 888-4703
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 035171 (NY)

Record details

NPI number1982558680
Entity typeIndividual (Type 1)
GenderNot disclosed
Sole proprietorNo
NPI enumeratedFebruary 21, 2026
Last updated in NPPESFebruary 21, 2026
Certification dateFebruary 21, 2026
Mailing address77 Goodell St Ste 340, Buffalo, NY 14203-1243

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice University Emergency Medical Services Inc. — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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