Organization Active NPI

Olivia Calder, MSN, Aprn, Pmhnp-BC, PLLC

Doing business as Calder Psychotherapy & Psychiatry

  • Adult Mental Health Clinic/Center
  • Austin, TX
National Provider Identifier
1508773003
Registry record updated Nov 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Mental Health Clinic/CenterTaxonomy code 261QM0850X
Legal business name
OLIVIA CALDER, MSN, APRN, PMHNP-BC, PLLC
Doing business as
Calder Psychotherapy & Psychiatry
Practice address
904 West Ave Suite 101
Austin, TX 78701-2020
Phone
(737) 510-7846
Fax
(512) 938-7406
NPI assigned
Aug 27, 2026
Last updated
Nov 3, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2026

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

Authorized official

Name
Olivia Calder, MSN, APRN, PMHNP-BCNPI 1942116686
Title
Managing Member
Phone
(512) 917-3307

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Mental Health Clinic/Center 261QM0850X Primary
Psychiatric/Mental Health Nurse PractitionerGroup: 193400000X SINGLE SPECIALTY GROUP 363LP0808X

Addresses

Primary practice location

904 West Ave Suite 101
Austin, TX 78701-2020

Mailing address

904 West Ave Suite 101
Austin, TX 78701-2020
Phone (737) 510-7846

Other names 1

  • Calder Psychotherapy & Psychiatry Doing business as

National Provider Directory

National Provider Directory

Locations

1110 West Ave
Austin, TX 78701
Phone (512) 478-1064

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1787788800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1793664000000",
    "number": "1508773003",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "904 WEST AVE SUITE 101",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787012020",
            "telephone_number": "737-510-7846",
            "fax_number": "512-938-7406"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "904 WEST AVE SUITE 101",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787012020",
            "telephone_number": "737-510-7846",
            "fax_number": "512-938-7406"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OLIVIA CALDER, MSN, APRN, PMHNP-BC, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-27",
        "last_updated": "2026-11-03",
        "certification_date": "2026-11-03",
        "status": "A",
        "authorized_official_last_name": "CALDER",
        "authorized_official_first_name": "OLIVIA",
        "authorized_official_title_or_position": "MANAGING MEMBER",
        "authorized_official_telephone_number": "512-917-3307",
        "authorized_official_credential": "MSN, APRN, PMHNP-BC"
    },
    "taxonomies": [
        {
            "code": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Calder Psychotherapy & Psychiatry",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Austin, TX

Sources for this page

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