Sean R Whalen, DDS

Primary specialty

Pediatric DentistryTaxonomy code 1223P0221X

License

8954 Issued in CO

Practice address

5150 W 80TH Ave
Westminster, CO 80030-4449

Phone

(303) 427-1951

Fax

(303) 657-3369

NPI assigned

Feb 15, 2006

Sex

Male

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 CO

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: swhalen110105@direct.dhha.org

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.

• Children'S Dentistry, Boulder

  • Pediatric Dentistry
  • Boulder, CO
  • NPI 1578284550
  NPD Authorized official

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

{
    "created_epoch": "1139961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699749598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5150 W 80TH AVE",
            "city": "WESTMINSTER",
            "state": "CO",
            "postal_code": "800304449",
            "telephone_number": "303-427-1951",
            "fax_number": "303-657-3369"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5150 W 80TH AVE",
            "city": "WESTMINSTER",
            "state": "CO",
            "postal_code": "800304449",
            "telephone_number": "303-427-1951",
            "fax_number": "303-657-3369"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WHALEN",
        "first_name": "SEAN",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-15",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0221X",
            "taxonomy_group": "",
            "desc": "Dentist, Pediatric Dentistry",
            "state": "CO",
            "license": "8954",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Westminster Public Schools
• Westminster Renal Dialysis LLC
• Westminster, Inc
• Westpark Periodontics & Implants
• Stephen J Westra, MA,
• Whimsy Pediatric Therapy LLC
• Abigail White, LPCC
• Alexis White
• Marisa Schiff White, MS, CCC-SLP
• Misty Rebecca Gance White, LPC

• Pediatric Dentistry in Westminster, CO
• Providers in Westminster, CO by specialty
• Pediatric Dentistry in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.