Individual provider Active NPI

Skylar Clark Hartmann, MD

  • Internal Medicine Physician
  • New Britain, CT
National Provider Identifier
1881155828
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
73565 Issued in CT
Practice address
100 Grand St
New Britain, CT 06052-2016
Phone
(860) 224-5661
NPI assigned
Mar 30, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X 2026-03419 NC
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 2026-03419 NC
Internal Medicine Physician 207R00000X 73565 CT Primary

Addresses

Primary practice location

100 Grand St
New Britain, CT 06052-2016

Mailing address

PO Box 60447
Charlotte, NC 28260-0447
Phone (844) 266-8268

Other practice location 1

131 Coventry St Fl 2
Hartford, CT 06112-1548
Phone (860) 714-3690

Other practice location 2

10030 Gilead Rd Ste 300
Huntersville, NC 28078-7545
Phone (704) 384-7972

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20230405000170 CT Practitioner - Internal Medicine 5496085805 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

100 Grand St
New Britain, CT 06052-2016
Phone (860) 224-5121

Hospital & facility affiliations

  • The Hospital of Central Connecticut Hospital, New Britain, CT, CCN 070035

Merit-based Incentive Payment System (MIPS)

Final score
94 of 100Reported as group
Quality
83.66
Promoting interoperability
100
Improvement activities
40
Cost
66.78

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Midstate Medical Center CurrentSince Apr 1, 2023 Accepting new patients
Midstate Medical Center CurrentSince Apr 1, 2023 Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley CurrentSince Apr 1, 2023 Accepting new patients
Midstate Medical Center Current Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley Internal Medicine CurrentSince Apr 1, 2023 Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley Past Accepting new patients

Locations

435 Lewis Ave
Meriden, CT 06451
Phone (203) 284-1340

100 Grand St
New Britain, CT 06052
Phone (860) 224-5011

81 Meriden Ave
Southington, CT 06489
Phone (860) 224-5540

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

Interoperability endpoints

  • Direct secure messaging: skylar.hartmann@xdr.hhchealthdirect.org
  • Direct secure messaging: shartmann259817@direct.bmc.masshiway.net

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.

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": "1553904000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1881155828",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 60447",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282600447",
            "telephone_number": "844-266-8268"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 GRAND ST",
            "city": "NEW BRITAIN",
            "state": "CT",
            "postal_code": "060522016",
            "telephone_number": "860-224-5661"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "131 Coventry St Fl 2",
            "address_purpose": "LOCATION",
            "city": "Hartford",
            "state": "CT",
            "postal_code": "061121548",
            "country_code": "US",
            "telephone_number": "860-714-3690",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10030 Gilead Rd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Huntersville",
            "state": "NC",
            "postal_code": "280787545",
            "country_code": "US",
            "telephone_number": "704-384-7972",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARTMANN",
        "first_name": "SKYLAR",
        "middle_name": "CLARK",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-30",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "NC",
            "license": "2026-03419",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "NC",
            "license": "2026-03419",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "73565",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Britain, CT

Sources for this page

Verify at the official NPI Registry.