Quinn Yost, DDS

Primary specialty

Pediatric DentistryTaxonomy code 1223P0221X

License

DDS102682 Issued in CA

Practice address

1115 Aviation Blvd
Hermosa Beach, CA 90254-4027

Phone

(424) 254-0705

Fax

(424) 254-0711

NPI assigned

Apr 26, 2016

Last updated

Feb 19, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Quinn Yost DDS Inc

  • Pediatric Dentistry
  • Hermosa Beach, CA
  • NPI 1215674171
  NPD Authorized official
• Mary R Pham DDS Dental Corporation

  dba Lollipop Pediatric Dentistry & Orthodontics

  • Pediatric Dentistry
  • Lake Forest, CA
  • NPI 1194491738
  NPD
• Mary Regina Pham D.D.S., M.S. Dental Corporation

  dba Lollipop Pediatric Dentistry

  • Pediatric Dentistry
  • Placentia, CA
  • NPI 1326309329
  NPD (past)

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

{
    "created_epoch": "1461628800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771459200000",
    "number": "1790130821",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1115 AVIATION BLVD",
            "city": "HERMOSA BEACH",
            "state": "CA",
            "postal_code": "902544027",
            "telephone_number": "424-254-0705",
            "fax_number": "424-254-0711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1115 AVIATION BLVD",
            "city": "HERMOSA BEACH",
            "state": "CA",
            "postal_code": "902544027",
            "telephone_number": "424-254-0705",
            "fax_number": "424-254-0711"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOST",
        "first_name": "QUINN",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-04-26",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "WA",
            "license": "60656563",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "DDS102682",
            "primary": false
        },
        {
            "code": "1223P0221X",
            "taxonomy_group": "",
            "desc": "Dentist, Pediatric Dentistry",
            "state": "CA",
            "license": "DDS102682",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michelle A. Stich Woods, D.D.S.
• Wai-Ling Wu, BCBA
• Jessica A Wusterbarth, PA-C
• Yael Sherne Psychotherapy, Marriage & Family Counseling
• Merrin Yeager, MA
• Zachary Ruff Therapy Services
• Ramsey Zein
• Naomi S Zelin, LPCC
• Dinelle Zipser
• Jessica Zucker

• Pediatric Dentistry in Hermosa Beach, CA
• Providers in Hermosa Beach, CA by specialty
• Pediatric Dentistry in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 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.