Individual provider Active NPI

Lauren Massingham, M.D.

  • Clinical Genetics (M.D.) Physician
  • Boston, MA
National Provider Identifier
1417000357
Registry record updated Feb 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Genetics (M.D.) PhysicianTaxonomy code 207SG0201X
License
239382 Issued in MA
Practice address
300 Longwood Ave
Boston, MA 02115-5724
Phone
(617) 355-6000
NPI assigned
Jan 22, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 21, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X MD14125 RI
Clinical Genetics (M.D.) Physician 207SG0201X 239382 MA Primary
Clinical Genetics (M.D.) Physician 207SG0201X MD14125 RI

Addresses

Primary practice location

300 Longwood Ave
Boston, MA 02115-5724

Mailing address

300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000

Other practice location 1

593 Eddy St
Providence, RI 02903-4923
Phone (401) 444-8361

Other identifiers 1

IdentifierTypeStateIssuer
MD14125OtherRILICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI, MA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20130318000343 RI Practitioner - Pediatric MedicinePractitioner - Cardiovascular Disease (Cardiology)Practitioner - Other (Physician) 8022253269 Reassigns benefits to 3 organizations
I20250227001281 MA Practitioner - Medical Genetics and Genomics 8022253269 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Affinity Physicians LLC. Pediatrics CurrentSince Aug 1, 2018 Accepting new patients
Children'S Hospital Pediatric Associates, Inc Pediatrics CurrentSince Mar 3, 2025 Accepting new patients
Rhode Island Hospital Pediatrics CurrentSince Jan 3, 2013 Accepting new patients
Rhode Island Hospital CurrentSince Jan 3, 2013 Accepting new patients
Affinity Physicians LLC CurrentSince Aug 1, 2018 Accepting new patients
Lifespan Corporation Current Accepting new patients
Rhode Island Hospital CurrentSince Aug 25, 2013 Accepting new patients
Lifespan Physician Group, Inc. CurrentSince May 19, 2018 Accepting new patients
Lifespan Physician Group, Inc. Pediatrics CurrentSince May 19, 2018 Accepting new patients
Rhode Island Hospital Past Accepting new patients

Locations

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

1454 S County Trl
Ste 2100
East Greenwich, RI 02818
Phone (401) 606-2000

185A High Service Ave
North Providence, RI 02904
Phone (401) 354-6050

117 Ellenfield St
Ste 101
Providence, RI 02905
Phone (401) 444-4318

593 Eddy St
#138
Providence, RI 02903
Phone (401) 444-5291

593 Eddy St
Ste 5
Providence, RI 02903
Phone (401) 444-3996

164 Summit Ave
Providence, RI 02906
Phone (401) 793-2104

1 A St
Providence, RI 02919
Phone (401) 444-5685

593 Eddy St
#122
Providence, RI 02903
Phone (401) 444-6195

593 Eddy St
Providence, RI 02903

593 Eddy St
Lowr
Providence, RI 02903
Phone (401) 444-4471

455 Toll Gate Rd
Warwick, RI 02886
Phone (401) 737-7000

Interoperability endpoints

  • Direct secure messaging: lmassingham13603@brownhealth.medalliesdirect.net

Organizations & group practices 10

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.

NPI Registry JSON

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

{
    "created_epoch": "1169424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740096000000",
    "number": "1417000357",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "593 Eddy St",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034923",
            "country_code": "US",
            "telephone_number": "401-444-8361",
            "fax_number": "401-444-3288",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASSINGHAM",
        "first_name": "LAUREN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-01-22",
        "last_updated": "2025-02-21",
        "certification_date": "2025-02-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "RI",
            "license": "MD14125",
            "primary": false
        },
        {
            "code": "207SG0201X",
            "taxonomy_group": "",
            "desc": "Medical Genetics, Clinical Genetics (M.D.)",
            "state": "MA",
            "license": "239382",
            "primary": true
        },
        {
            "code": "207SG0201X",
            "taxonomy_group": "",
            "desc": "Medical Genetics, Clinical Genetics (M.D.)",
            "state": "RI",
            "license": "MD14125",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "MD14125",
            "state": "RI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.