Individual provider Active NPI

Emily P Greenstein, MD

  • Pediatric Cardiology Physician
  • Worcester, MA
National Provider Identifier
1053560763
Registry record updated May 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
263014 Issued in MA
Practice address
55 Lake Ave N
Worcester, MA 01655
Phone
(774) 441-8080
Fax
(774) 441-8054
NPI assigned
Sep 17, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 6, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Cardiology Physician 2080P0202X 263014 MA Primary
Pediatrics Physician 208000000X 263014 MA
Pediatric Cardiology Physician 2080P0202X 246487 NY

Addresses

Primary practice location

55 Lake Ave N
Worcester, MA 01655

Mailing address

PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885

Other practice location 1

850 Harrison Ave
Yacc 5
Boston, MA 02118-4001
Phone (617) 414-4841

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Direct Messaging Address egreenstein242357@UmassMemorial.direct-ci.com

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
I20150923001343 MA Practitioner - Pediatric MedicinePractitioner - Cardiovascular Disease (Cardiology) 8628210796 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pediatric MedicineAlso: Cardiovascular Disease (Cardiology)
Education
New York University School of Medicine, 2006
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)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
82.98
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
263014MAMDPediatrics Physician
246487NYMDPediatric Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group Inc Pediatrics CurrentSince Jul 1, 2018 Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Jul 1, 2018 Accepting new patients
Boston Childrens Heart Foundation Inc Pediatrics CurrentSince Oct 1, 2015 Accepting new patients

Locations

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

119 Belmont St
Worcester, MA 01605
Phone (508) 334-6345

33 Oak Ave
Worcester, MA 01605
Phone (508) 752-1304

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Interoperability endpoints

  • Direct secure messaging: egreenstein242357@umassmemorial.direct-ci.com

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 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": "1221609600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746489600000",
    "number": "1053560763",
    "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",
            "telephone_number": "800-225-8885",
            "fax_number": "508-334-1977"
        },
        {
            "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": "01655",
            "telephone_number": "774-441-8080",
            "fax_number": "774-441-8054"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "850 Harrison Ave",
            "address_2": "YACC 5",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021184001",
            "country_code": "US",
            "telephone_number": "617-414-4841",
            "fax_number": "617-414-2208",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREENSTEIN",
        "first_name": "EMILY",
        "middle_name": "P",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-09-17",
        "last_updated": "2025-05-06",
        "certification_date": "2025-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "MA",
            "license": "263014",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "263014",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "NY",
            "license": "246487",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "01655",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "egreenstein242357@UmassMemorial.direct-ci.com",
            "affiliation": "N",
            "address_1": "55 Lake Ave N",
            "city": "Worcester",
            "state": "MA",
            "country_code": "US",
            "postal_code": "01655",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.