Individual provider Active NPI

Amanda Helene Christiansen, MS, RDN, LD

  • Registered Dietitian
  • San Antonio, TX
National Provider Identifier
1326908880
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
86293987 Issued in TX
Practice address
1870 W Bitters Rd
San Antonio, TX 78248-1826
Phone
(210) 545-4422
NPI assigned
Nov 17, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X 86293987 TX Primary

Addresses

Primary practice location

1870 W Bitters Rd
San Antonio, TX 78248-1826

Mailing address

1870 W Bitters Rd
San Antonio, TX 78248-1826
Phone (210) 545-4422

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260325002626 TX Practitioner - Registered Dietitian Or Nutrition Professional 7416431671 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Registered Dietitian Or Nutrition Professional
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Jan Tilley and AssociatesGroup PAC ID 9234209990, 11 clinicians

Practice addresses (Care Compare)

1870 W Bitters Rd
Suite 101
San Antonio, TX 78248-1827
Phone 21054544224

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science

State licenses

LicenseStateTypeSpecialty
86293987TXMDRegistered Dietitian

Practice roles

OrganizationSpecialtyStatusNew patients
Jan Tilley & Associates Dietitian, Registered CurrentSince Nov 24, 2025 Accepting new patients

Locations

1870 W Bitters Rd
Ste 101
San Antonio, TX 78248
Phone (210) 545-4422

1870 W Bitters Rd
San Antonio, TX 78248
Phone (210) 545-4422

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1763337600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1326908880",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1870 W BITTERS RD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782481826",
            "telephone_number": "210-545-4422"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1870 W BITTERS RD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782481826",
            "telephone_number": "210-545-4422"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHRISTIANSEN",
        "first_name": "AMANDA",
        "middle_name": "HELENE",
        "credential": "MS, RDN, LD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-11-17",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "TX",
            "license": "86293987",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.