Individual provider Active NPI

Gwendylan Rowan

  • Addiction (Substance Use Disorder) Counselor
  • Dayton, OH
National Provider Identifier
1417750134
Registry record updated Jan 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
CDCA185569 Issued in OH
Practice address
948 Patterson Rd
Dayton, OH 45419-4336
Phone
(614) 412-1789
NPI assigned
Mar 28, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 18, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Case Manager/Care Coordinator 171M00000X CDCA185569 OH
Addiction (Substance Use Disorder) Counselor 101YA0400X CDCA185569 OH Primary
Behavior Technician 106S00000X CDCA185569 OH

Addresses

Primary practice location

948 Patterson Rd
Dayton, OH 45419-4336

Mailing address

948 Patterson Rd
Dayton, OH 45419-4336
Phone (614) 412-1789

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

State licenses

LicenseStateTypeSpecialty
CDCA185569OHMDCase Manager/Care Coordinator

NPI Registry JSON

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

{
    "created_epoch": "1743120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768694400000",
    "number": "1417750134",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "948 PATTERSON RD",
            "city": "DAYTON",
            "state": "OH",
            "postal_code": "454194336",
            "telephone_number": "614-412-1789"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "948 PATTERSON RD",
            "city": "DAYTON",
            "state": "OH",
            "postal_code": "454194336",
            "telephone_number": "614-412-1789"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROWAN",
        "first_name": "GWENDYLAN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-03-28",
        "last_updated": "2026-01-18",
        "certification_date": "2026-01-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "OH",
            "license": "CDCA185569",
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "OH",
            "license": "CDCA185569",
            "primary": true
        },
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "OH",
            "license": "CDCA185569",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dayton, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 18, 2026; 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.