Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1174455778 Individual Practitioner Male Practitioner

Nathan Klaes , PA-C

Physician Assistant • New Haven, CT

Professional Overview & Biography Verified Profile Summary

Nathan Klaes, PA-C is a registered healthcare professional specializing in Physician Assistant in New Haven, CT. Practice services are available at 20 YORK ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

20 York St

New Haven, CT 065103220

Telephone 2036884242
Associated Practice Facility / Clinic
🏢 Yale New Haven Hospital Facility NPI 1336139500

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in New Haven, CT

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 9.6 Yrs
State Avg: 11.2 Yrs
Regional Practice Density
260 Specialists

Practicing in New Haven, CT (2065 Statewide)

Telehealth Adoption Rate
10.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-05-30
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

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. Neeharika Thottempudi , MBBS

Psychiatry & Neurology - Neurology

NPI 1003313511

Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)

Dr. Brad St. Martin , MD

Obstetrics & Gynecology

NPI 1003349655

Doctor of Medicine (M.D.)

Dr. Sean Pennetti , MD

Psychiatry & Neurology - Neurology

NPI 1003377375

Doctor of Medicine (M.D.)

Paula Tortorici-Scheff , FNP

Nurse Practitioner - Family

NPI 1003396979

Family Nurse Practitioner

Marie Anjeliese Rodriguez

Internal Medicine

NPI 1003420977
Joshua Bia

Emergency Medicine

NPI 1003435207

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active May 30, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location May 30, 2026

Registered at 20 YORK ST, NEW HAVEN, CT 065103220 (Tel: 2036884242)

📍
Updated Business Mailing Address May 30, 2026

Registered at 2001 MAIN ST, BUFFALO, NY 142081035

👤
Provider Name / Credentials Updated May 30, 2026

Recorded as NATHAN KLAES, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 30, 2026

Physician Assistant

🟢
Initial NPI Registration & Enumeration May 30, 2026

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Nathan Klaes. Be the first to share your experience!

Sign in to leave a review for Nathan Klaes

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1174455778
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 30, 2026
Last Update: May 30, 2026
Sole Proprietor: No

Mailing Address

2001 Main St

Buffalo, NY 142081035

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.