Katherine B Ensign, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

011120 Issued in NY

Practice address

44 N Main St
Port Chester, NY 10573-4252

Phone

(914) 481-1577

NPI assigned

Jun 10, 2024

Last updated

Nov 13, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

Other, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Port Chester Eyecare Inc

  • Optometrist
  • Port Chester, NY
  • NPI 1912166885
  Medicare reassignment NPD
• Montrose Vamc

  • Department of Veterans Affairs (VA) Pharmacy
  • Wappingers Falls, NY
  • NPI 1225086325
  NPD

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

{
    "created_epoch": "1717977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1477395580",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44 N MAIN ST",
            "city": "PORT CHESTER",
            "state": "NY",
            "postal_code": "105734252",
            "telephone_number": "914-481-1577"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44 N MAIN ST",
            "city": "PORT CHESTER",
            "state": "NY",
            "postal_code": "105734252",
            "telephone_number": "914-481-1577"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ENSIGN",
        "first_name": "KATHERINE",
        "middle_name": "B",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-06-10",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "NY",
            "license": "011120",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Courtney Jennifer Dumain
• Rebecca Hannah Atlas Dunn, LCSW
• Eastside Orthotics & Prosthetics Inc
• Economy Pharmacy Inc (Cammarato's Economy Pharmacy)
• Victor Lawrence Edmond, D.D.S.
• Maria Escaffi
• Jorge Martin Espana, M.D.
• Angelisa Estepan, LCSW
• Natalie Etienne, RN
• Devin Evans

• Optometrist in Port Chester, NY
• Providers in Port Chester, NY by specialty
• Optometrist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 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.