Organization Active NPI

Amanda Romsa Polack, DMD, Ms, PC

  • Orthodontics and Dentofacial Orthopedics Dentistry
  • Washington, DC
National Provider Identifier
1134078454
Registry record updated Jan 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthodontics and Dentofacial Orthopedics DentistryTaxonomy code 1223X0400X
Legal business name
AMANDA ROMSA POLACK, DMD, MS, PC
Practice address
4900 Massachusetts Ave NW Ste 260
Washington, DC 20016-4358
Phone
(771) 210-3484
Fax
(771) 210-3484
NPI assigned
Jan 28, 2026
Last updated
Jan 28, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
AMANDA ROMSA POLACK, DMD, MS, PCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 28, 2026

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

Authorized official

Name
Cassandra Wieth
Title
Director of Payor Relations
Phone
(623) 267-8121

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthodontics and Dentofacial Orthopedics DentistryGroup: 193400000X SINGLE SPECIALTY GROUP 1223X0400X Primary

Addresses

Primary practice location

4900 Massachusetts Ave NW Ste 260
Washington, DC 20016-4358

Mailing address

4900 Massachusetts Ave NW Ste 260
Washington, DC 20016-4358
Phone (771) 210-3484

National Provider Directory

National Provider Directory
Part of
Amanda Romsa Polack DMD Ms PC

Locations

4900 Massachusetts Ave NW
Ste 260
Washington, DC 20016
Phone (703) 537-6242

NPI Registry JSON

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

{
    "created_epoch": "1769558400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769558400000",
    "number": "1134078454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4900 MASSACHUSETTS AVE NW STE 260",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200164358",
            "telephone_number": "771-210-3484",
            "fax_number": "771-210-3484"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4900 MASSACHUSETTS AVE NW STE 260",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200164358",
            "telephone_number": "771-210-3484",
            "fax_number": "771-210-3484"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AMANDA ROMSA POLACK, DMD, MS, PC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "AMANDA ROMSA POLACK, DMD, MS, PC",
        "enumeration_date": "2026-01-28",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A",
        "authorized_official_last_name": "WIETH",
        "authorized_official_first_name": "CASSANDRA",
        "authorized_official_title_or_position": "DIRECTOR OF PAYOR RELATIONS",
        "authorized_official_telephone_number": "623-267-8121"
    },
    "taxonomies": [
        {
            "code": "1223X0400X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 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.