Alyssa Simpson, MD

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

T3009 Issued in TX

Practice address

3000 N. I-35
Suite 770
Austin, TX 78705

Phone

(478) 301-2600

NPI assigned

Dec 3, 2013

Sex

Female

Sole proprietor

Yes

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 AR

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Magella Medical Associates Billing, Inc.

  • Neonatal-Perinatal Medicine Physician
  • Round Rock, TX
  • NPI 1083631071
  NPD (past)
• St. David'S Healthcare Partnership, L.P., LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1679528889
  NPD (past)
• St. Davids Healthcare Partnership, L.P., LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1720033947
  NPD (past)

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

{
    "created_epoch": "1386028800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774310400000",
    "number": "1003247974",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3000 N. I-35",
            "address_2": "SUITE 770",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "78705"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3000 N. I-35",
            "address_2": "SUITE 770",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "78705",
            "telephone_number": "478-301-2600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "ALYSSA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2013-12-03",
        "last_updated": "2026-03-24",
        "certification_date": "2026-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "TX",
            "license": "T3009",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marc P Simpao, MD
• Simple Solutions Services of Texas, LLC
• Simply Now, LLC
• Simplyher Counseling Services, PLLC
• Abby Simpson, LCSW
• Cherie Simpson, RN, CNS
• Cynthia Simpson, PT,DPT
• Dannon Simpson
• Deborah Simpson, R.D., L.D.
• John Scott Simpson, MD

• Neonatal-Perinatal Medicine Physician in Austin, TX
• Providers in Austin, TX by specialty
• Neonatal-Perinatal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.