Individual provider Active NPI

John Sloan Hopkins, M.D., M.S.P.H.

  • Psychiatry Physician
  • Hartford, CT
National Provider Identifier
1356502579
Registry record updated Aug 14, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
074596 Issued in CT
Practice address
200 Retreat Ave
Hartford, CT 06106-3309
Phone
(860) 545-7069
NPI assigned
Jun 20, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 252981 MA
Psychiatry Physician 2084P0800X 074596 CT Primary

Addresses

Primary practice location

200 Retreat Ave
Hartford, CT 06106-3309

Mailing address

200 Retreat Ave
Hartford, CT 06106-3309
Phone (860) 545-7069

Other practice location 1

759 Chestnut Street
Springfield, MA 01199-1001
Phone (413) 794-5555

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, CT2 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
I20121025000374 MA Practitioner - Psychiatry 4486837473 Reassigns benefits to 2 organizations
I20230825003040 CT Practitioner - Psychiatry 4486837473 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hartford HospitalGroup PAC ID 2567366016, shared by 6 NPIs, 1,040 clinicians

Practice addresses (Care Compare)

200 Retreat Ave
Iol Compus
Hartford, CT 06106-3310
Phone (860) 545-7500

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Holyoke Medical Center, Inc. CurrentSince Jul 7, 2025 Accepting new patients
Holyoke Medical Center, Inc. CurrentSince Jul 7, 2025 Accepting new patients
Hartford Hospital CurrentSince Aug 28, 2023 Accepting new patients
Western Mass Physician Associates Inc CurrentSince Jul 7, 2025 Accepting new patients
Western Mass Physician Associates Inc Current Accepting new patients
Hartford Hospital Psychiatry CurrentSince Aug 28, 2023 Accepting new patients

Locations

200 Retreat Ave
Hartford, CT 06106
Phone (860) 545-7000

1290 Silas Deane Hwy
Wethersfield, CT 06109
Phone (860) 972-6977

10 Hospital Dr
Ste 306
Holyoke, MA 01040
Phone (413) 539-6830

15 Hospital Dr
Ste 50
Holyoke, MA 01040
Phone (413) 534-2826

575 Beech St
Holyoke, MA 01040
Phone (413) 534-2570

759 Chestnut St
Springfield, MA 01199
Phone (413) 794-3233

Interoperability endpoints

  • Direct secure messaging: john.hopkins@xdr.hhchealthdirect.org

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.

NPI Registry JSON

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

{
    "created_epoch": "1213920000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691971200000",
    "number": "1356502579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 RETREAT AVE",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061063309",
            "telephone_number": "860-545-7069"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 RETREAT AVE",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061063309",
            "telephone_number": "860-545-7069"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "759 Chestnut Street",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MA",
            "postal_code": "011991001",
            "country_code": "US",
            "telephone_number": "413-794-5555",
            "fax_number": "413-794-5868",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOPKINS",
        "first_name": "JOHN",
        "middle_name": "SLOAN",
        "name_prefix": "Dr.",
        "credential": "M.D., M.S.P.H.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-20",
        "last_updated": "2023-08-14",
        "certification_date": "2023-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "252981",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CT",
            "license": "074596",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hartford, CT

Sources for this page

Verify at the official NPI Registry.