NPIMap

Individual provider Active NPI

Nicholas Tsitsilianos, MD

  • Physical Medicine & Rehabilitation Physician
  • Worcester, MA
National Provider Identifier
1386200780
Registry record updated Jan 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
1020916 Issued in MA
Practice address
281 Lincoln St
Worcester, MA 01605-2138
Phone
(508) 334-6606
Fax
(508) 334-9762
NPI assigned
May 13, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 28, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Sports Medicine (Physical Medicine & Rehabilitation) Physician 2081S0010X 1020916 MA
Student in an Organized Health Care Education/Training Program 390200000X
Physical Medicine & Rehabilitation Physician 208100000X 1020916 MA Primary

Addresses

Primary practice location

281 Lincoln St
Worcester, MA 01605-2138

Mailing address

PO Box 415348
Boston, MA 02241-5348

Other practice location 1

123 Summer St
Worcester, MA 01608-1216
Phone (508) 363-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250204000315 MA Practitioner - Physical Medicine and Rehabilitation 0446780670 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physical Medicine and Rehabilitation
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

281 Lincoln St
Worcester, MA 01605-2138
Phone (508) 334-1000

Hospital & facility affiliations

  • Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163
  • Umass Memorial Health - Harrington Hospital Hospital, Southbridge, MA, CCN 220019
  • Milford Regional Medical Center Hospital, Milford, MA, CCN 220090
  • St Vincent Hospital Hospital, Worcester, MA, CCN 220176
  • Marlborough Hospital Hospital, Marlborough, MA, CCN 220049

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
1020916MAMDPhysical Medicine & Rehabilitation Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group, Inc. CurrentSince Feb 28, 2025 Accepting new patients
Umass Memorial Medical Group Inc CurrentSince Feb 28, 2025 Accepting new patients

Locations

281 Lincoln St
Worcester, MA 01605
Phone (508) 334-8015

123 Summer St
Worcester, MA 01608
Phone (508) 363-6000

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1557705600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738022400000",
    "number": "1386200780",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "281 LINCOLN ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016052138",
            "telephone_number": "508-334-6606",
            "fax_number": "508-334-9762"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "123 Summer St",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016081216",
            "country_code": "US",
            "telephone_number": "508-363-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSITSILIANOS",
        "first_name": "NICHOLAS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-13",
        "last_updated": "2025-01-28",
        "certification_date": "2025-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2081S0010X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation, Sports Medicine",
            "state": "MA",
            "license": "1020916",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MA",
            "license": "1020916",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.