Dr Deirdre M O'reilly, MD, MPH - Medicare Pediatrics in Worcester, MA

Dr Deirdre M O'reilly, MD, MPH is a medicare enrolled "Pediatrics - Neonatal-perinatal Medicine" physician in Worcester, Massachusetts. Her current practice location is 119 Belmont St, Worcester, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 334-6206.

Dr Deirdre M O'reilly is licensed to practice in Massachusetts (license number 216802) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1548250350.

Contact Information

Dr Deirdre M O'reilly, MD, MPH
119 Belmont St,
Worcester, MA 01605-2903
(508) 334-6206
(508) 334-6083



Physician's Profile

Full NameDr Deirdre M O'reilly
GenderFemale
SpecialityPediatrics - Neonatal-perinatal Medicine
Location119 Belmont St, Worcester, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1548250350
  • Provider Enumeration Date: 10/24/2005
  • Last Update Date: 06/24/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 5597858977
  • Enrollment ID: I20160624000201

Medical Identifiers

Medical identifiers for Dr Deirdre M O'reilly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548250350NPI-NPPES
110033989AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 216802 (Massachusetts)Secondary
2080N0001XPediatrics - Neonatal-perinatal Medicine 042.0013419 (Vermont)Secondary
2080N0001XPediatrics - Neonatal-perinatal Medicine 216802 (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. Dr Deirdre M O'reilly allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Vermont Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659309615
PECOS PAC ID: 3779491071
Enrollment ID: O20040406001047

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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. Dr Deirdre M O'reilly 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
Dr Deirdre M O'reilly, MD, MPH
Po Box 415348,
Boston, MA 02241-5348

Ph: (800) 225-8885
Dr Deirdre M O'reilly, MD, MPH
119 Belmont St,
Worcester, MA 01605-2903

Ph: (508) 334-6206

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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
Cornelius T Tyrrell, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Department Of Pediatrics, Worcester, MA 01655
Phone: 508-334-7986    Fax: 508-334-7989
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

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