Individual provider Active NPI

Joshua St. Louis

  • Family Medicine Physician
  • Lawrence, MA
National Provider Identifier
1437562121
Registry record updated Jun 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
273183 Issued in MA
Practice address
34 Haverhill St
Lawrence, MA 01841-2884
Phone
(978) 686-0900
NPI assigned
Jun 10, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction Medicine (Preventive Medicine) Physician 2083A0300X 273183 MA
Family Medicine Physician 207Q00000X 273183 MA Primary

Addresses

Primary practice location

34 Haverhill St
Lawrence, MA 01841-2884

Mailing address

34 Haverhill St
Lawrence, MA 01841-2884
Phone (978) 686-0900

Other practice location 1

55 Fruit St
Boston, MA 02114-2621
Phone (617) 724-3874

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
I20181015001653 MA Practitioner - Family Practice 9032431309 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Tufts University School of Medicine, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Healthquarters IncGroup PAC ID 7810298775, 5 clinicians

Practice addresses (Care Compare)

150 Park St
Lawrence, MA 01841-2517
Phone (978) 685-1770

215 Summer St
Suite 16
Haverhill, MA 01830-6305
Phone (978) 927-9824

280 Merrimack St
Suite 544
Lawrence, MA 01843-1779
Phone (978) 927-9824

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
273183MAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Aug 1, 2025 Accepting new patients
The General Hospital Corporation CurrentSince Aug 1, 2025 Accepting new patients
Greater Lawrence Family Health Center Inc CurrentSince Sep 7, 2018 Accepting new patients
Greater Lawrence Family Health Center, Inc. Current Accepting new patients
Greater Lawrence Family Health Center Inc. CurrentSince Sep 7, 2018 Accepting new patients
General Hospital Corp Current Accepting new patients
Healthquarters, Inc CurrentSince Aug 25, 2018 Accepting new patients
Lawrence General Hospital Internal Medicine Past Accepting new patients
Healthquarters, Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

215 Summer St
Ste 16
Haverhill, MA 01830
Phone (978) 927-9824

1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000

150 Park St
Lawrence, MA 01841
Phone (978) 685-1770

1 General St
Lawrence, MA 01841
Phone (978) 946-8103

34 Haverhill St
Lawrence, MA 01841

Interoperability endpoints

  • Direct secure messaging: joshua.stlouis.1@20178.direct.athenahealth.com
  • Direct secure messaging: st.louis.joshua.mgh@direct.partners.masshiway.net
  • Direct secure messaging: joshua.st.louis.1@7012.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/7012/brand/1/csg/1/fhir/r4
  • Direct secure messaging: joshua.stlouis.1@23857.direct.athenahealth.com

Organizations & group practices 9

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": "1402358400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749600000000",
    "number": "1437562121",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34 HAVERHILL ST",
            "city": "LAWRENCE",
            "state": "MA",
            "postal_code": "018412884",
            "telephone_number": "978-686-0900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34 HAVERHILL ST",
            "city": "LAWRENCE",
            "state": "MA",
            "postal_code": "018412884",
            "telephone_number": "978-686-0900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-724-3874",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ST. LOUIS",
        "first_name": "JOSHUA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-10",
        "last_updated": "2025-06-11",
        "certification_date": "2025-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2083A0300X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": "MA",
            "license": "273183",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "273183",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lawrence, MA

Sources for this page

Verify at the official NPI Registry.