Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1982558680 Individual Practitioner

Stephen Michael Castaldi

Physician Assistant • Buffalo, NY

Professional Overview & Biography Verified Profile Summary

Stephen Castaldi is a certified Physician Assistant practicing in Buffalo, NY. With approximately 1 years of clinical experience since completing medical education in 2025, Stephen Castaldi delivers high-quality medical care to the local community at 77 GOODELL ST STE 340.

Stephen Castaldi does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

77 Goodell St Ste 340

Buffalo, NY 142031243

Telephone 7168884703

Medicare Profile & Education

Medical School

Other

Graduation Year

2025

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Buffalo, NY

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
1 Yrs -10.0 yrs vs City Avg
City Avg: 11.0 Yrs
State Avg: 12.0 Yrs
Regional Practice Density
488 Specialists

Practicing in Buffalo, NY (15701 Statewide)

Telehealth Adoption Rate
8.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Castaldi (1 Years) 1 Yrs
Buffalo Specialty Average (11.0 Years) 11.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-02-21
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License NY 035171

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Courtney Mckiernan , MD

Student in an Organized Health Care Education/Training Program

NPI 1033050786

Doctor of Medicine (M.D.)

Jessica Mueller

Student in an Organized Health Care Education/Training Program

NPI 1043773245
Daniel Mongeon

Emergency Medicine

NPI 1073133260
Elroy An

Student in an Organized Health Care Education/Training Program

NPI 1073454070
Francesca Linde , FNP-BC

Nurse Practitioner - Family

NPI 1093230567

Family Nurse Practitioner (Board Certified)

Mitchell Fiorella-Crandall

Student in an Organized Health Care Education/Training Program

NPI 1093565814

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active February 21, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location February 21, 2026

Registered at 77 GOODELL ST STE 340, BUFFALO, NY 142031243 (Tel: 7168884703)

📍
Updated Business Mailing Address February 21, 2026

Registered at 77 GOODELL ST STE 340, BUFFALO, NY 142031243

👤
Provider Name / Credentials Updated February 21, 2026

Recorded as STEPHEN CASTALDI

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 21, 2026

Physician Assistant (License #035171 in NY)

🟢
Initial NPI Registration & Enumeration February 21, 2026

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1982558680
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 21, 2026
Last Update: February 21, 2026
Sole Proprietor: No

Mailing Address

77 Goodell St Ste 340

Buffalo, NY 142031243

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.