Individual provider Active NPI

Stephanie G. Sinayuk, M.D.

  • Emergency Medicine Physician
  • Worcester, MA
National Provider Identifier
1588959456
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
249310 Issued in MA
Practice address
55 Lake Ave N
Worcester, MA 01655-0002
Phone
(508) 334-1000
NPI assigned
Jun 18, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 249310 MA Primary

Addresses

Primary practice location

55 Lake Ave N
Worcester, MA 01655-0002

Mailing address

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000

Other practice location 1

115 Lincoln St
Framingham, MA 01702-6358
Phone (508) 383-1000

Other identifiers 1

IdentifierTypeStateIssuer
110099556AMedicaidMA

Other names 1

  • Stephanie G. Berger Former name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140808001476 MA Practitioner - Emergency Medicine 5890912240 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
State University of New York at Buffalo School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Physician Associates of Massachusetts PCGroup PAC ID 4981069580, 44 clinicians

Practice addresses (Care Compare)

115 Lincoln St
Framingham, MA 01702-6358
Phone (508) 383-1000

Hospital & facility affiliations

  • Metrowest Medical Center Hospital, Framingham, MA, CCN 220175

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
249310MAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Physician Associates of Massachusetts PC Emergency Medicine CurrentSince May 25, 2023 Accepting new patients

Locations

115 Lincoln St
Framingham, MA 01702
Phone (508) 383-1000

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

Organizations & group practices 1

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 1

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": "1308355200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1588959456",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-334-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-334-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "115 Lincoln St",
            "address_purpose": "LOCATION",
            "city": "Framingham",
            "state": "MA",
            "postal_code": "017026358",
            "country_code": "US",
            "telephone_number": "508-383-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINAYUK",
        "first_name": "STEPHANIE",
        "middle_name": "G.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-06-18",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "249310",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110099556A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "STEPHANIE",
            "last_name": "BERGER",
            "middle_name": "G.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.