Marisa Briann Peikert, MSN, APRN, AGACNP-BC

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

1218548 Issued in TX

Practice address

5900 Balcones Dr Ste 100
Austin, TX 78731-4298

Phone

(480) 712-8319

NPI assigned

Dec 29, 2025

Last updated

Dec 29, 2025By the provider in NPPES

Sex

Female

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

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Athena Medical GroupGroup PAC ID 8921358706, 43 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Athena Medical Group

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1164918124

  Acute Care, TX

  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1766966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766966400000",
    "number": "1922964543",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5900 BALCONES DR STE 100",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787314298",
            "telephone_number": "480-712-8319"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5900 BALCONES DR STE 100",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787314298",
            "telephone_number": "480-712-8319"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PEIKERT",
        "first_name": "MARISA",
        "middle_name": "BRIANN",
        "name_prefix": "Ms.",
        "credential": "MSN, APRN, AGACNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-29",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TX",
            "license": "1218548",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joan C Peery
• Pegassus Therapy Services, P.L.L.C
• Pegasus Behavior Solutions, PLLC (Pegasus Behavior Solutions)
• Pegasus Counseling
• Maggie Peiffer, M.S. CCC-SLP
• Terri Lynn Peiskee, MOT OTR
• Shiva Pejman-Aryan, APRN
• Nathan Henry Pekar, M.D.
• Jena Orr Pelayo, LPC-A
• Carla Pelcastre, LCSW

• Acute Care Nurse Practitioner in Austin, TX
• Providers in Austin, TX by specialty
• Acute Care Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 29, 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.