Individual provider Active NPI

Tristan W Byrnes, LMHC

  • Mental Health Counselor
  • Pinellas Park, FL
National Provider Identifier
1669757266
Registry record updated Jan 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
MH12786 Issued in FL
Practice address
6251 Park Blvd N # 9C
Pinellas Park, FL 33781-3238
Phone
(813) 919-6185
NPI assigned
Oct 14, 2011
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 31, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X MH12786 FL Primary

Addresses

Primary practice location

6251 Park Blvd N # 9C
Pinellas Park, FL 33781-3238

Mailing address

400 39TH Ave S
Saint Petersburg, FL 33705-3936
Phone (813) 919-6185

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
MH12786FLMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Byrnes Counseling Group LLC Mental Health Current Accepting new patients
New Transition Therapy, LLC Mental Health Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1318550400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769817600000",
    "number": "1669757266",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 39TH AVE S",
            "city": "SAINT PETERSBURG",
            "state": "FL",
            "postal_code": "337053936",
            "telephone_number": "813-919-6185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6251 PARK BLVD N # 9C",
            "city": "PINELLAS PARK",
            "state": "FL",
            "postal_code": "337813238",
            "telephone_number": "813-919-6185"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BYRNES",
        "first_name": "TRISTAN",
        "middle_name": "W",
        "name_prefix": "Mr.",
        "credential": "LMHC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-10-14",
        "last_updated": "2026-01-31",
        "certification_date": "2026-01-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "FL",
            "license": "MH12786",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Pinellas Park, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 31, 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.