John Michael Brennan, M.D, P.A.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

J3750 Issued in TX

Practice address

7557 Rambler Rd Ste 565
Dallas, TX 75231-2373

Phone

(214) 824-2273

Fax

(214) 826-9340

NPI assigned

Dec 5, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Psychiatry

Education

University of Texas Southwestern Medical School at Dallas, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baylor University Medical Center Hospital, Dallas, TX, CCN 450021

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Physician Assistant

State licenses

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.

• J. Michael Brennan, M.D., P.a.

  • Psychiatry Physician
  • Dallas, TX
  • NPI 1669661799
  Medicare reassignment

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Baylor University Medical Center

  • General Acute Care Hospital
  • Dallas, TX
  • NPI 1447250253
  Care Compare affiliation

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

{
    "created_epoch": "1133740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1336123173",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7557 RAMBLER RD STE 565",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752312373",
            "telephone_number": "214-824-2273",
            "fax_number": "214-826-9340"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7557 RAMBLER RD STE 565",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752312373",
            "telephone_number": "214-824-2273",
            "fax_number": "214-826-9340"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRENNAN",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "credential": "M.D, P.A.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-12-05",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "J3750",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0359267-01",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4480010",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Cynthia Lou Sewell Brenchley, APRN, FNP-C, AGACNP
• Brenda M. Draper
• Javier Eduardo Brenes Gonzalez, M.D
• Ryan Michael Brenn, PHARMD
• John Michael Brennan, PTA, RMT, CPT
• Robert Nori Brennan, P.A.
• Thomas Brennan, MD
• Melissa Ann Brenneman Waters, D.D.S.
• Adam Marshall Brenner, M.D.
• Amy Schmidt Brenner, MSW, LCSW-S

• Psychiatry Physician in Dallas, TX
• Providers in Dallas, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 2, 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.