Holly Ann Desmarais, NP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

5956 Issued in CT

Practice address

150 Mansfield Ave
Willimantic, CT 06226-2026

Phone

(860) 423-3299

NPI assigned

Oct 16, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CT, ME2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Connecticut Gi PLLCGroup PAC ID 9830110758, 243 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Day Kimball Hospital Hospital, Putnam, CT, CCN 070003
• Windham Community Memorial Hospital Hospital, Willimantic, CT, CCN 070021

Merit-based Incentive Payment System (MIPS)

Final score

91.99 of 100Reported as group

Quality

89.16

Promoting interoperability

100

Improvement activities

40

Cost

78.45

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: holly.desmarais@xdr.hhchealthdirect.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Connecticut Gi PLLC

  • Gastroenterology Physician
  • Hartford, CT
  • NPI 1023124625

  Family

  Medicare reassignment Care Compare group NPD
• Litchfield County Gastroenterology Associates, LLC

  • Gastroenterology Physician
  • Torrington, CT
  • NPI 1871513283
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Day Kimball Healthcare, Inc.

  • General Acute Care Hospital
  • Putnam, CT
  • NPI 1205056371
  Care Compare affiliation
• Day Kimball Healthcare, Inc.

  • General Acute Care Hospital
  • Putnam, CT
  • NPI 1649243478
  Care Compare affiliation
• Windham Community Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Willimantic, CT
  • NPI 1023191467
  Care Compare affiliation

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

{
    "created_epoch": "1413417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1737590400000",
    "number": "1235533415",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 MANSFIELD AVE",
            "city": "WILLIMANTIC",
            "state": "CT",
            "postal_code": "062262026",
            "telephone_number": "860-423-3299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 MANSFIELD AVE",
            "city": "WILLIMANTIC",
            "state": "CT",
            "postal_code": "062262026",
            "telephone_number": "860-423-3299"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DESMARAIS",
        "first_name": "HOLLY",
        "middle_name": "ANN",
        "credential": "NP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-10-16",
        "last_updated": "2025-01-23",
        "certification_date": "2025-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "ME",
            "license": "CNP161017",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CT",
            "license": "5956",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vivian E De Jesus
• Louis Andrew Delegan Jr., LPC MA
• Pamela L Denova
• Datona K Depizzol
• Laura Desantis, L.P.C.
• Christopher Desmond, NP
• Donald Diange, RPH
• Jessica M Diaz, MASTER OF ARTS
• Sarah L Diaz
• Robert F Dibble, M. D.

• Family Nurse Practitioner in Willimantic, CT
• Providers in Willimantic, CT by specialty
• Family Nurse Practitioner in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.