Nathan S. Johnston

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

Q6755 Issued in TX

Practice address

23119 W Interstate 10 BLDG 7
San Antonio, TX 78257-1767

Phone

(210) 994-6336

Fax

(210) 994-6441

NPI assigned

Jul 10, 2012

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in TX, WA2 enrollments

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 2

Specialty

Psychiatry

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Phoenix Mental Health TMS PLLC

  • Psychiatry Physician
  • San Antonio, TX
  • NPI 1215557152

  WA

  Medicare reassignment NPD Authorized official
• Phoenix Mental Health TMS

  • Psychiatry Physician
  • San Antonio, TX
  • NPI 1093334104
  NPD (past) Authorized official

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

{
    "created_epoch": "1341878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1619232113",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23119 W INTERSTATE 10 BLDG 7",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782571767",
            "telephone_number": "210-994-6336",
            "fax_number": "210-994-6441"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23119 W INTERSTATE 10 BLDG 7",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782571767",
            "telephone_number": "210-994-6336",
            "fax_number": "210-994-6441"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "NATHAN",
        "middle_name": "S.",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-07-10",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "Q6755",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "WA",
            "license": "OP61563295",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leah Sanchez Johnston, P.A.
• Lisa Andrea Johnston, SLP
• Mark Robert Johnston, A.U.D., CCC-A
• Mia Johnston
• Michelle Joy Johnston, RN
• Erika Johnstone, RD, LD
• Joie de Vivre Health Care
• Bailey Grace Joiner, RDH
• Jennifer L. Joiner, PNP
• Katherine Leigh Joiner

• Psychiatry Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 2026; 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.