Anchor & Apex, LLC

Primary specialty

Registered DietitianTaxonomy code 133V00000X

Legal business name

ANCHOR & APEX, LLC

Practice address

2725 Marshall CT Apt 212
Madison, WI 53705-2288

Phone

(413) 275-3176

NPI assigned

Jan 23, 2026

Last updated

Jan 23, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Shawn Halton Portwood, MS, RDN, LDNNPI 1487538542

Title

Owner, Registered Dietitian

Phone

(413) 275-3176

Specialties & licenses 1

Addresses

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.

• Shawn Halton Portwood, RDN

  • Registered Dietitian
  • Madison, WI
  • NPI 1487538542

  Dietitian, Registered

  NPD Authorized official

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

{
    "created_epoch": "1769126400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769126400000",
    "number": "1306795323",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2725 MARSHALL CT APT 212",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537052288",
            "telephone_number": "413-275-3176"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2725 MARSHALL CT APT 212",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537052288",
            "telephone_number": "413-275-3176"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ANCHOR & APEX, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-23",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A",
        "authorized_official_last_name": "PORTWOOD",
        "authorized_official_first_name": "SHAWN",
        "authorized_official_middle_name": "HALTON",
        "authorized_official_title_or_position": "OWNER, REGISTERED DIETITIAN",
        "authorized_official_telephone_number": "413-275-3176",
        "authorized_official_credential": "MS, RDN, LDN"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Petros Vassilios Anagnostopoulos, MD
• Carlos Anthony Anani
• Jose Pablo Anaya, M.D.
• Yohualli Balderas-Medina Anaya, M.D.
• Grace Anbouba, CGC
• Dylan Anchor
• Marissa J Anders, NP
• Aaron Daniel Andersen
• Atalie Andersen, APNP
• James R Andersen, MD

• Registered Dietitian in Madison, WI
• Providers in Madison, WI by specialty
• Registered Dietitian in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 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.