Active NPI 1023154697 Individual Practitioner Male Practitioner

Dr. Cornelius T Tyrrell , MD

Pediatrics • Worcester, MA

Professional Overview & Biography Verified Profile Summary

Dr. Cornelius Tyrrell, MD is a registered healthcare professional specializing in Pediatrics in Worcester, MA. Practice services are available at 55 LAKE AVE N under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

55 Lake Ave N

Worcester, MA 016550002

Telephone 5083341000

Fax 7744437989

Associated Practice Facility / Clinic

🏢 Umass Memorial Medical Center Facility NPI 1679574933

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Worcester, MA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 14.2 Yrs

State Avg: 25.7 Yrs

Regional Practice Density

118 Specialists

Practicing in Worcester, MA (2760 Statewide)

Telehealth Adoption Rate

0.8% 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: 2026-07-08

Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License MA 237352

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

110084107A (MA)

Practice Associates & Co-Workers

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

40 Associated Practitioners

Stacy Meulenaere , OTR, L

Occupational Therapist

NPI 1003096660

Occupational Therapist Registered, L

Dr. Yoonyie Cho , MD

Anesthesiology

NPI 1003253675

Doctor of Medicine (M.D.)

Dr. Max Hazeltine , MD

Student in an Organized Health Care Education/Training Program

NPI 1003347568

Doctor of Medicine (M.D.)

Dr. Irma Hashmi , DO

Internal Medicine - Gastroenterology

NPI 1003348137

Doctor of Osteopathic Medicine (D.O.)

Baylee Arnold

Emergency Medicine

NPI 1003495300

Dr. Julia Waldman , DO

Student in an Organized Health Care Education/Training Program

NPI 1003510058

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

12 Historical Events

📍

Updated Practice Location July 08, 2026

Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 5083341000)

✅

NPI Profile Active May 25, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address May 25, 2017

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

📍

Updated Practice Location May 25, 2017

Registered at 55 LAKE AVE N, DEPARTMENT OF PEDIATRICS, WORCESTER, MA 016550002 (Tel: 5083347986)

👤

Provider Name / Credentials Updated May 25, 2017

Recorded as CORNELIUS TYRRELL, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 25, 2017

Pediatrics (License #237352 in MA)

✅

NPI Profile Active May 17, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location May 17, 2011

Registered at 55 LAKE AVE N, DEPARTMENT OF PEDIATRICS, WORCESTER, MA 016550002 (Tel: 5083347986)

📍

Updated Business Mailing Address May 17, 2011

Registered at PO BOX 415348, BOSTON, MA 022410001 (Tel: 8002258885)

👤

Provider Name / Credentials Updated May 17, 2011

Recorded as CORNELIUS TYRRELL, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 17, 2011

Pediatrics (License #237352 in MA)

🟢

Initial NPI Registration & Enumeration January 30, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1023154697

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: January 30, 2007

Last Update: July 08, 2026

Sole Proprietor: No

Update or Correct Profile

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.