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Active NPI 1083251490 Individual Practitioner Male Practitioner

Daniel Underhill

Physician Assistant • Derby, CT

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Daniel Underhill is a certified Physician Assistant practicing in Derby, CT. With approximately 5 years of clinical experience since completing medical education in 2021, Daniel Underhill delivers high-quality medical care to the local community at 130 DIVISION ST.

Daniel Underhill maintains professional affiliations with Mhs Primary Care, Inc., Griffin Faculty Physicians Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

130 Division St

Derby, CT 064181326

Telephone 2037321330
Fax 2037321332
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Derby, CT

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -7.6 yrs vs City Avg
City Avg: 12.6 Yrs
State Avg: 11.2 Yrs
Regional Practice Density
20 Specialists

Practicing in Derby, CT (2065 Statewide)

Telehealth Adoption Rate
25.0% 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. Underhill (5 Years) 5 Yrs
Derby Specialty Average (12.6 Years) 12.6 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-08-13
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CT 23.005285

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.

Hospital & Practice Group Affiliations

Mhs Primary Care, Inc.

28 Crescent St, Middletown, CT 064573654

Griffin Faculty Physicians Inc

130 Division St, Derby, CT 064181326

Phone: 2037321352

Mhs Primary Care, Inc.

540 Saybrook Rd, Middletown, CT 064574711

Phone: 8603585120

Mhs Primary Care, Inc.

14 Jones Hollow Rd, Marlborough, CT 064471448

Phone: 8603582850

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. William Gray , MD

Internal Medicine

NPI 1033402862

Doctor of Medicine (M.D.)

Dr. Gerald Fette , MD

Internal Medicine - Gastroenterology

NPI 1043396112

Doctor of Medicine (M.D.)

Dr. Mukesh Kumar , MD

Internal Medicine

NPI 1104347665

Doctor of Medicine (M.D.)

Elizabeth Starnes , APRN

Nurse Practitioner - Adult Health

NPI 1184193583

Advanced Practice Registered Nurse

Dr. Michael Sergi , MD

Surgery - Vascular Surgery

NPI 1184867723

Doctor of Medicine (M.D.)

Heather Eckenrode , APRN

Nurse Practitioner - Family

NPI 1194242008

Advanced Practice Registered Nurse

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Practice Location August 13, 2025

Registered at 130 DIVISION ST, DERBY, CT 064181326 (Tel: 2037321330)

📍
Updated Business Mailing Address August 13, 2025

Registered at 67 MAPLE AVE, DERBY, CT 064181328 (Tel: 2037321330)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 13, 2025

Physician Assistant (License #23.005285 in CT)

📍
Updated Practice Location June 21, 2023

Registered at 100 GRAND ST, NEW BRITAIN, CT 060522016 (Tel: 4138547537)

📍
Updated Business Mailing Address June 21, 2023

Registered at 154 RAYMOND RD UNIT 2, WEST HARTFORD, CT 061072542 (Tel: 4138547537)

NPI Profile Active December 04, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location December 04, 2019

Registered at 6 PARLEY ST, GREAT BARRINGTON, MA 012301323 (Tel: 4138547537)

📍
Updated Business Mailing Address December 04, 2019

Registered at 6 PARLEY ST, GREAT BARRINGTON, MA 012301323

👤
Provider Name / Credentials Updated December 04, 2019

Recorded as DANIEL UNDERHILL

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 04, 2019

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration December 04, 2019

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: 1083251490
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 04, 2019
Last Update: August 13, 2025
Sole Proprietor: No

Mailing Address

67 Maple Ave

Derby, CT 064181328

Phone: 2037321330

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.