Greg Breznican

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

Practice address

1473 Ave Wilson Ste 304
San Juan, PR 00907-2364

Phone

(787) 489-0088

NPI assigned

Feb 24, 2017

Sex

Male

Sole proprietor

No

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Flamboyan Behavioral Services, LLC

  • Behavior Analyst
  • San Juan, PR
  • NPI 1699564096
  NPD (past)

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

{
    "created_epoch": "1487894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1639619612",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1473 AVE WILSON STE 304",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009072364",
            "telephone_number": "787-489-0088"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1473 AVE WILSON STE 304",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009072364",
            "telephone_number": "787-489-0088"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BREZNICAN",
        "first_name": "GREG",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-02-24",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• All providers in San Juan, PR
• Behavior Analyst in Puerto Rico

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.