Cornelius T Tyrrell, MD - Medicare Pediatrics in Worcester, MA

Cornelius T Tyrrell, MD is a medicare enrolled "Pediatrics" physician in Worcester, Massachusetts. His current practice location is 55 Lake Ave N, Department Of Pediatrics, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 334-7986.

Cornelius T Tyrrell is licensed to practice in Massachusetts (license number 237352) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1023154697.

Contact Information

Cornelius T Tyrrell, MD
55 Lake Ave N, Department Of Pediatrics,
Worcester, MA 01655-0002
(508) 334-7986
(508) 334-7989

Map and Direction




Physician's Profile

Full NameCornelius T Tyrrell
GenderMale
SpecialityPediatrics
Location55 Lake Ave N, Worcester, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1023154697
  • Provider Enumeration Date: 01/30/2007
  • Last Update Date: 10/27/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4183762560
  • Enrollment ID: I20091104000455

Medical Identifiers

Medical identifiers for Cornelius T Tyrrell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023154697NPI-NPPES
110084107AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 237352 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Cornelius T Tyrrell allows following entities to bill medicare on his behalf.
Entity NameUmass Memorial Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760445373
PECOS PAC ID: 4284539891
Enrollment ID: O20040113000267

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Cornelius T Tyrrell is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Cornelius T Tyrrell, MD
Po Box 415348,
Boston, MA 02241-5348

Ph: (800) 225-8885
Cornelius T Tyrrell, MD
55 Lake Ave N, Department Of Pediatrics,
Worcester, MA 01655-0002

Ph: (508) 334-7986

Reviews and Comments


Pediatrics Doctors in Worcester, MA

Marissa E Parrillo, DO
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 774-442-5545    Fax: 774-443-7042
Dr. Penny M. Feldman, M.D.
Pediatrics
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 774-441-8081    Fax: 774-441-8055
Dr. Linda D Sagor, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Department Of Pediatrics, Worcester, MA 01655
Phone: 508-856-4198    Fax: 508-856-1042
Dr. Robert W Zavoski, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 26 Queen Street, Worcester, MA 01610
Phone: 508-860-7800    Fax: 508-860-7925
Callie M Stone, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-1000    
Nura El-haj, MD
Pediatrics
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 774-441-8083    Fax: 774-441-8057

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.