Individual provider Active NPI

Elyssa A. Pellish, MD

  • Emergency Medicine Physician
  • Worcester, MA
National Provider Identifier
1407830201
Registry record updated Mar 25, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
234790 Issued in MA
Practice address
55 Lake Ave N
Department of Emergency Medicine
Worcester, MA 01655-0002
Phone
(508) 421-1400
Fax
(508) 421-1490
NPI assigned
Dec 5, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2009

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 234790 MA Primary

Addresses

Primary practice location

55 Lake Ave N
Department of Emergency Medicine
Worcester, MA 01655-0002

Mailing address

PO Box 415348
Boston, MA 02241-5348

Other identifiers 1

IdentifierTypeStateIssuer
2152452MedicaidMA

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
I20080922000539 MA Practitioner - Emergency Medicine 4183656168 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Massachusetts Medical School, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Reliant Medical Group IncGroup PAC ID 5597755322, 638 clinicians

Practice addresses (Care Compare)

1 Deaconess Rd
Boston, MA 02215-5321
Phone (781) 983-9088

366 Shrewsbury St
Worcester, MA 01604-4647
Phone (508) 595-2700

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Reliant Medical Group, Inc CurrentSince Nov 12, 2018 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Nov 1, 2025 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is Current Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Nov 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Emergency Medicine CurrentSince Nov 1, 2025 Accepting new patients
Memorial Hospital Emergency Medicine Past Accepting new patients

Locations

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

1 Deaconess Rd
Boston, MA 02215
Phone (617) 754-2323

910 Washington St
Dedham, MA 02026
Phone (781) 431-1333

234 Washington St
Hudson, MA 01749
Phone (508) 595-2700

101 Page St
New Bedford, MA 02740
Phone (508) 961-5425

211 Park St
South Attleboro, MA 02703
Phone (508) 222-5200

100 South St
Southbridge, MA 01550
Phone (508) 764-8012

5 Neponset St
Worcester, MA 01606
Phone (508) 595-2300

366 Shrewsbury St
Worcester, MA 01604
Phone (508) 595-2700

Interoperability endpoints

  • Direct secure messaging: elyssa.pellish.npi1407830201.reliant@direct.optumcare.masshiway.net

Organizations & group practices 6

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 2

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": "1133740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1237939200000",
    "number": "1407830201",
    "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": "55 LAKE AVE N",
            "address_2": "DEPARTMENT OF EMERGENCY MEDICINE",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-421-1400",
            "fax_number": "508-421-1490"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PELLISH",
        "first_name": "ELYSSA",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-05",
        "last_updated": "2009-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "234790",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2152452",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.