Thyra Gutierrez-sierra, - Medicare Internal Medicine in Worcester, MA

Thyra Gutierrez-sierra, is a medicare enrolled "Internal Medicine" physician in Worcester, Massachusetts. Her current practice location is 18 Hammond St, Worcester, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (774) 420-2311.

Thyra Gutierrez-sierra is licensed to practice in Massachusetts (license number 263892) 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 1982962916.

Contact Information

Thyra Gutierrez-sierra,
18 Hammond St,
Worcester, MA 01610-1513
(774) 420-2311
Not Available

Map and Direction




Physician's Profile

Full NameThyra Gutierrez-sierra
GenderFemale
SpecialityInternal Medicine
Location18 Hammond 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: 1982962916
  • Provider Enumeration Date: 04/27/2012
  • Last Update Date: 12/05/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 2668776600
  • Enrollment ID: I20160211000646

Medical Identifiers

Medical identifiers for Thyra Gutierrez-sierra such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982962916NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 263892 (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. Thyra Gutierrez-sierra allows following entities to bill medicare on her behalf.
Entity NameEdward M Kennedy Community Health Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609842152
PECOS PAC ID: 3476512740
Enrollment ID: O20041004000840
Entity NameRenaissance Primary Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649729021
PECOS PAC ID: 3476832379
Enrollment ID: O20161117000334

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. Thyra Gutierrez-sierra 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
Thyra Gutierrez-sierra,
18 Hammond St,
Worcester, MA 01610-1513

Ph: (774) 420-2311
Thyra Gutierrez-sierra,
18 Hammond St,
Worcester, MA 01610-1513

Ph: (774) 420-2311

Reviews and Comments


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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.

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