Individual provider Active NPI

Colleen Bisaccio

  • Physical Therapist
  • Greenwich, CT
National Provider Identifier
1790322014
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
045374-01 Issued in NY
Practice address
6 Greenwich Office Park
Greenwich, CT 06831-5151
Phone
(203) 869-1145
Fax
(203) 618-1721
NPI assigned
Dec 5, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X 045374-01 NY Primary

Addresses

Primary practice location

6 Greenwich Office Park
Greenwich, CT 06831-5151

Mailing address

6 Greenwich Office Park
Greenwich, CT 06831-5151
Phone (203) 869-1145

Other practice location 1

255 W 36th St Rm 407
New York, NY 10018-7797
Phone (212) 579-3539

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230518002844 CT Practitioner - Physical Therapist in Private Practice 3173951654 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
12841CTMDGeneral Practice Dentistry
045374-01NYMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopaedic & Neurosurgery Specialists, PLLC Physical Therapist CurrentSince Feb 9, 2023 Accepting new patients
Orthopaedic & Neurosurgery Specialists, PLLC CurrentSince Feb 9, 2023 Accepting new patients

Locations

6 Greenwich Office Park
#40
Greenwich, CT 06831
Phone (203) 869-1145

6 Greenwich Office Park
Greenwich, CT 06831
Phone (203) 869-1145

249 Danbury Rd
Wilton, CT 06897
Phone (203) 762-3353

Organizations & group practices 20

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.

View all 20

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
State University of New York at Stony Brook, School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthopaedic and Neurosurgery Specialists, PLLC 255 clinicians

Practice addresses (Care Compare)

6 Greenwich Office Park
Greenwich, CT 06831-5151
Phone (203) 869-1145

Merit-based Incentive Payment System (MIPS)

Final score
84.22 of 100Reported as group
Quality
82.55
Promoting interoperability
100
Improvement activities
40
Cost
64.86

NPI Registry JSON

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

{
    "created_epoch": "1575504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1790322014",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6 GREENWICH OFFICE PARK",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068315151",
            "telephone_number": "203-869-1145",
            "fax_number": "203-618-1721"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6 GREENWICH OFFICE PARK",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068315151",
            "telephone_number": "203-869-1145",
            "fax_number": "203-618-1721"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "255 W 36th St Rm 407",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100187797",
            "country_code": "US",
            "telephone_number": "212-579-3539",
            "fax_number": "212-579-3530",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BISACCIO",
        "first_name": "COLLEEN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-12-05",
        "last_updated": "2025-09-11",
        "certification_date": "2020-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "NY",
            "license": "045374-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwich, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.