Individual provider Active NPI

Patricia Haag, OT

  • Pediatric Occupational Therapist
  • Derby, CT
National Provider Identifier
1255544078
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Occupational TherapistTaxonomy code 225XP0200X
Practice address
111 New Haven Ave
Derby, CT 06418-2197
Phone
(203) 735-8336
Fax
(203) 735-3704
NPI assigned
May 8, 2007
Sex
Female
Sole proprietor
Yes

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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapist 225X00000X
Pediatric Occupational Therapist 225XP0200X Primary

Addresses

Primary practice location

111 New Haven Ave
Derby, CT 06418-2197

Mailing address

111 New Haven Ave
Derby, CT 06418-2197
Phone (203) 735-8336

Other identifiers 2

IdentifierTypeStateIssuer
50PTSOUTHCT01OtherCTBCBS
ANCII53OtherCTOXFORD HEALTHPLANS

Other names 1

  • Patricia Ryan Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1178582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1255544078",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 NEW HAVEN AVE",
            "city": "DERBY",
            "state": "CT",
            "postal_code": "064182197",
            "telephone_number": "203-735-8336",
            "fax_number": "203-735-3704"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 NEW HAVEN AVE",
            "city": "DERBY",
            "state": "CT",
            "postal_code": "064182197",
            "telephone_number": "203-735-8336",
            "fax_number": "203-735-3704"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAAG",
        "first_name": "PATRICIA",
        "credential": "OT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-05-08",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225XP0200X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist, Pediatrics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "50PTSOUTHCT01",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD HEALTHPLANS",
            "identifier": "ANCII53",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "PATRICIA",
            "last_name": "RYAN",
            "credential": "OT",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Derby, 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.