Nicholas Tsitsilianos, MD - Medicare Physical Medicine & Rehabilitation in Worcester, MA

Nicholas Tsitsilianos, MD is a medicare enrolled "Physical Medicine & Rehabilitation" physician in Worcester, Massachusetts. His current practice location is 281 Lincoln St, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 334-6606.

Nicholas Tsitsilianos is licensed to practice in Massachusetts (license number 1020916) 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 1386200780.

Contact Information

Nicholas Tsitsilianos, MD
281 Lincoln St,
Worcester, MA 01605-2138
(508) 334-6606
(508) 334-9762

Map and Direction




Physician's Profile

Full NameNicholas Tsitsilianos
GenderMale
SpecialityPhysical Medicine & Rehabilitation
Location281 Lincoln 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: 1386200780
  • Provider Enumeration Date: 05/13/2019
  • Last Update Date: 01/28/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0446780670
  • Enrollment ID: I20250204000315

Medical Identifiers

Medical identifiers for Nicholas Tsitsilianos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386200780NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2081S0010XPhysical Medicine & Rehabilitation - Sports Medicine 1020916 (Massachusetts)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
208100000XPhysical Medicine & Rehabilitation 1020916 (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. Nicholas Tsitsilianos 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. Nicholas Tsitsilianos 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
Nicholas Tsitsilianos, MD
Po Box 415348,
Boston, MA 02241-5348

Ph: () -
Nicholas Tsitsilianos, MD
281 Lincoln St,
Worcester, MA 01605-2138

Ph: (508) 334-6606

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Worcester, MA

Angela Zhaohui Yang, M.D.
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Phone: 508-334-6094    Fax: 508-334-8679
Dr. Ralph A Brutus, MD
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Medicare: Medicare Enrolled
Practice Location: 189 May St, Innovative Physician Services Llc, Worcester, MA 01602
Phone: 508-791-6351    Fax: 508-753-2087
Stefan C. Muzin, MD
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Medicare: Medicare Enrolled
Practice Location: 119 Belmont St, Department Of Orthopedics, Worcester, MA 01605
Phone: 888-244-6094    Fax: 508-334-8679
Michelle Jane Mailloux, PT, DPT
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Medicare: Medicare Enrolled
Practice Location: 484 Main St Ste 600, Worcester, MA 01608
Phone: 800-244-2756    
Demian G Mousad, M.D
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Medicare: Accepting Medicare Assignments
Practice Location: 116 Belmont St Rm 34, Worcester, MA 01605
Phone: 508-713-6063    
Dr. Faren H Williams, M.D.
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 119 Belmont St, Department Of Orthopedics, Worcester, MA 01605
Phone: 508-334-9750    Fax: 508-334-9769
Soun Sheen, M.D.
Physical Medicine & Rehabilitation
Medicare: Medicare Enrolled
Practice Location: 119 Belmont St, Worcester, MA 01605
Phone: 508-334-7672    Fax: 508-334-9762

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.