Individual provider Active NPI

Stephen Joseph Macari, MD

  • Family Medicine Physician
  • Stamford, CT
National Provider Identifier
1790212454
Registry record updated Sep 8, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
72464 Issued in CT
Practice address
30 Buxton Farm Rd Ste 210
Stamford, CT 06905-1230
Phone
(203) 322-7070
Fax
(203) 322-2389
NPI assigned
May 12, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X DR.0061503 CO
Student in an Organized Health Care Education/Training Program 390200000X
Family Medicine Physician 207Q00000X 72464 CT Primary

Addresses

Primary practice location

30 Buxton Farm Rd Ste 210
Stamford, CT 06905-1230

Mailing address

10350 E Dakota Ave
Denver, CO 80247-1314

Other identifiers 2

IdentifierTypeStateIssuer
9000149166MedicaidCO
029072OtherCOKAISER COMMERCIAL NUMBER

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggateways Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, NY2 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
I20221025002151 CT Practitioner - Family Practice 9436429388 Reassigns benefits to 1 organization
I20250930000571 NY Practitioner - Family Practice 9436429388 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
State University of New York at Buffalo School of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Hartford Healthcare Medical Group Specialists PLLCGroup PAC ID 3173866241, 1,555 clinicians
Westchester Health Medical PCGroup PAC ID 7315221751, 87 clinicians

Practice addresses (Care Compare)

30 Buxton Farm Rd
Suite 210
Stamford, CT 06905-1230
Phone (203) 322-7070

465 Columbus Ave
Suite 125
Valhalla, NY 10595-1374
Phone (914) 232-3255

Hospital & facility affiliations

  • Phelps Hospital Hospital, Sleepy Hollow, NY, CCN 330261

Merit-based Incentive Payment System (MIPS)

Final score
90.42 of 100Reported as group
Quality
83.36
Promoting interoperability
100
Improvement activities
40
Cost
75.9

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR.0061503COMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Westchester Health Medical, P.C. Family Medicine CurrentSince Oct 1, 2025 Accepting new patients
Westchester Health Medical, P.C. CurrentSince Oct 1, 2025 Accepting new patients
Hartford Healthcare Medical Group Specialists, PLLC CurrentSince Sep 15, 2022 Accepting new patients
Hartford Healthcare Medical Group Specialists LLC CurrentSince Sep 15, 2022 Accepting new patients

Locations

30 Buxton Farm Rd
Ste 210
Stamford, CT 06905
Phone (203) 322-7070

1244 Storrs Rd
Storrs Mansfield, CT 06268
Phone (860) 724-2579

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

91 Smith Ave
Mount Kisco, NY 10549
Phone (914) 241-1717

1111 Marcus Ave
Ste M04
New Hyde Park, NY 11042
Phone (585) 736-3650

465 Columbus Ave
Fl 3
Valhalla, NY 10595
Phone (914) 241-4976

465 Columbus Ave
Ste 125
Valhalla, NY 10595
Phone (914) 232-3255

Interoperability endpoints

  • Direct secure messaging: stephen.macarimd.p1@direct.westchesterhealth.nextgenshare.com

Organizations & group practices 4

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": "1494547200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1662595200000",
    "number": "1790212454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10350 E DAKOTA AVE",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802471314"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 BUXTON FARM RD STE 210",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069051230",
            "telephone_number": "203-322-7070",
            "fax_number": "203-322-2389"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACARI",
        "first_name": "STEPHEN",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-12",
        "last_updated": "2022-09-08",
        "certification_date": "2022-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CO",
            "license": "DR.0061503",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CT",
            "license": "72464",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9000149166",
            "state": "CO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KAISER COMMERCIAL NUMBER",
            "identifier": "029072",
            "state": "CO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggateways",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "5555 E Arapahoe Rd",
            "city": "Centennial",
            "state": "CO",
            "country_code": "US",
            "postal_code": "801222312",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Stamford, CT

Sources for this page

Verify at the official NPI Registry.