Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1053935072 Individual Practitioner Male Practitioner

David J Derosier , ACNPC-AG, CPNP-AC

Nurse Practitioner - Acute Care • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

David Derosier, ACNPC-AG, CPNP-AC is a certified Nurse Practitioner - Acute Care practicing in Worcester, MA. With approximately 7 years of clinical experience since completing medical education in 2019, David Derosier delivers high-quality medical care to the local community at 55 LAKE AVE N.

David Derosier maintains professional affiliations with Hospitalist Physicians Of Massachusetts Pc, Umass Memorial Medical Group Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

55 Lake Ave N
Pediatric Critical Care

Worcester, MA 016550002

Telephone 7744422164
Fax 7744432062
Associated Practice Facility / Clinic
🏢 Umass Memorial Medical Center Facility NPI 1679574933

Medicare Profile & Education

Medical School

Other

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Acute Care in Worcester, MA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -7.2 yrs vs City Avg
City Avg: 14.2 Yrs
State Avg: 10.8 Yrs
Regional Practice Density
97 Specialists

Practicing in Worcester, MA (605 Statewide)

Telehealth Adoption Rate
29.9% 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. Derosier (7 Years) 7 Yrs
Worcester Specialty Average (14.2 Years) 14.2 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-12-12
Nurse Practitioner - Acute Care Primary Specialty

NUCC Taxonomy Code: 363LA2100X

State License MA RN269379

Definition to come...

Nurse Practitioner - Pediatrics

NUCC Taxonomy Code: 363LP0200X

State License MA RN269379

Definition to come...

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License MA RN269379

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Hospital & Practice Group Affiliations

Hospitalist Physicians Of Massachusetts Pc

123 Summer St, Worcester, MA 016081216

Phone: 5083639394

Umass Memorial Medical Group Inc

55 Lake Ave N, Worcester, MA 016550002

Phone: 5083341000

Secondary Practice Locations

55 Lake Ave N

Worcester, MA 016550002

Phone: 7744416468

119 Belmont St

Worcester, MA 016052903

Phone: 7744416468

123 Summer St

Worcester, MA 016081216

Phone: 5083635000

300 Longwood Ave

Boston, MA 021155724

Phone: 6173556000

Practice Associates & Co-Workers

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

12 Associated Practitioners
Dr. Catherine Naber , MD

Pediatrics - Pediatric Critical Care Medicine

NPI 1043552201

Doctor of Medicine (M.D.)

Dr. Carrie Armsby , MD

Pediatrics - Pediatric Critical Care Medicine

NPI 1063480341

Doctor of Medicine (M.D.)

Dr. Stefanie Gauguet , MD, PhD

Pediatrics - Pediatric Critical Care Medicine

NPI 1174782858

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Uma Raman

Pediatrics - Pediatric Critical Care Medicine

NPI 1194287342
Dr. Inbar Plaut , MD

Pediatrics - Pediatric Emergency Medicine

NPI 1215497896

Doctor of Medicine (M.D.)

Dr. Amanda Johnson , MD

Pediatrics - Pediatric Critical Care Medicine

NPI 1285995589

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

20 Historical Events
📍
Updated Practice Location December 12, 2025

Registered at 55 LAKE AVE N, PEDIATRIC CRITICAL CARE, WORCESTER, MA 016550002 (Tel: 7744422164)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 12, 2025

Nurse Practitioner (License #RN269379 in MA)

📍
Updated Practice Location October 21, 2024

Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 7744422164)

📍
Updated Business Mailing Address October 21, 2024

Registered at PO BOX 415348, BOSTON, MA 022415348 (Tel: 8002258885)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 21, 2024

Nurse Practitioner (License #RN269379 in MA)

📍
Updated Practice Location February 13, 2024

Registered at 300 LONGWOOD AVE, BOSTON, MA 021155724 (Tel: 6173556000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2024

Nurse Practitioner (License #269379 in MA)

📍
Updated Practice Location January 26, 2024

Registered at 123 SUMMER ST, WORCESTER, MA 016081216 (Tel: 5083635000)

👤
Provider Name / Credentials Updated January 26, 2024

Recorded as DAVID DEROSIER, ACNPC-AG, CPNP-AC

📍
Updated Practice Location October 04, 2022

Registered at 8200 DODGE ST, OMAHA, NE 681144113 (Tel: 4029555400)

📍
Updated Practice Location December 10, 2021

Registered at 123 SUMMER ST, WORCESTER, MA 016081216 (Tel: 5083635000)

📍
Updated Business Mailing Address December 10, 2021

Registered at 123 SUMMER ST, WORCESTER, MA 016081216 (Tel: 5083635000)

👤
Provider Name / Credentials Updated December 10, 2021

Recorded as DAVID DEROSIER, CNP, ACNPC-AG, CPNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 10, 2021

Nurse Practitioner (License #269379 in MA)

NPI Profile Active June 05, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location June 05, 2020

Registered at 3401 CIVIC CENTER BLVD, PHILADELPHIA, PA 191044319 (Tel: 2155901000)

📍
Updated Business Mailing Address June 05, 2020

Registered at 323 RACE ST APT B, PHILADELPHIA, PA 191061866 (Tel: 7745351321)

👤
Provider Name / Credentials Updated June 05, 2020

Recorded as DAVID DEROSIER, CRNP, CPNP-AC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 05, 2020

Nurse Practitioner (License #SP022009 in PA)

🟢
Initial NPI Registration & Enumeration June 05, 2020

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: 1053935072
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 05, 2020
Last Update: December 12, 2025
Sole Proprietor: No

Mailing Address

Po Box 415348

Boston, MA 022415348

Phone: 8002258885

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.