Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CORNELIUS T TYRRELL M.D.
NPI 1023154697
Pediatrics in Worcester, MA

Q: What is Cornelius Tyrrell's NPI number?

The NPI number for Cornelius Tyrrell is 1023154697. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Q: What is Cornelius Tyrrell's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Cornelius Tyrrell was last updated on July 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since January 30, 2007PECOS Enrolled

55 LAKE AVE N, WORCESTER, MA 01655(508) 334-1000(774) 443-7989 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 8, 2026, Oct 27, 2020, May 25, 2017 (3 updates tracked since 2017).

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About Cornelius T Tyrrell M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORNELIUS T TYRRELL M.D. (NPI 1023154697) is an individual pediatrics provider in Worcester, Massachusetts, licensed in Massachusetts (237352) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023154697

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameCORNELIUS T TYRRELLCredential: M.D.

Location Address55 LAKE AVE NWorcester, MA 01655-0002

Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977

Phone(508) 334-1000

Fax(774) 443-7989

Sole ProprietorNo

Enumeration DateJanuary 30, 2007

Last NPPES UpdateJuly 8, 20263 updates tracked since enumeration

NPPES CertifiedJuly 8, 2026

✔ NPI 1023154697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 237352

Definition

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.

55 LAKE AVE N, Worcester, MA 01655

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Other Identifiers 1

Medicaid110084107AMA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cornelius T Tyrrell M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.