NPIMap

Organization Active NPI

Christopher W. Leyster, DDS, a Professional Corporation

Doing business as Pacific Grins Orthodontics

  • Orthodontics and Dentofacial Orthopedics Dentistry
  • Chino, CA
National Provider Identifier
1033906755
Registry record updated Oct 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthodontics and Dentofacial Orthopedics DentistryTaxonomy code 1223X0400X
Legal business name
CHRISTOPHER W. LEYSTER, DDS, A PROFESSIONAL CORPORATION
Doing business as
Pacific Grins Orthodontics
Practice address
4005 Grand Ave Ste B
Chino, CA 91710-5474
Phone
(909) 591-0077
NPI assigned
Apr 24, 2025
Last updated
Oct 15, 2025By the provider in NPPES
Organization subpart
Yes
Parent organization
CHRISTOPHER W. LEYSTER, DDS, A PROFESSIONAL CORPORATIONAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Oct 15, 2025

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

Authorized official

Name
Mrs. Cassie Wieth
Title
Director of Payor Relations
Phone
(623) 267-8121

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X Primary

Addresses

Primary practice location

4005 Grand Ave Ste B
Chino, CA 91710-5474

Mailing address

4005 Grand Ave Ste B
Chino, CA 91710-5474

Other names 1

  • Pacific Grins Orthodontics Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Christopher W Leyster DDS a Professional Corporation4 organizations share this tax ID, including this one
Part of
Christopher W Leyster DDS a Professional Corporation

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

Locations

4005 Grand Ave
Ste B
Chino, CA 91710
Phone (909) 591-0077

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

NPI Registry JSON

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

{
    "created_epoch": "1745452800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760486400000",
    "number": "1033906755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4005 GRAND AVE STE B",
            "city": "CHINO",
            "state": "CA",
            "postal_code": "917105474"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4005 GRAND AVE STE B",
            "city": "CHINO",
            "state": "CA",
            "postal_code": "917105474",
            "telephone_number": "909-591-0077"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHRISTOPHER W. LEYSTER, DDS, A PROFESSIONAL CORPORATION",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "CHRISTOPHER W. LEYSTER, DDS, A PROFESSIONAL CORPORATION",
        "enumeration_date": "2025-04-24",
        "last_updated": "2025-10-15",
        "certification_date": "2025-10-15",
        "status": "A",
        "authorized_official_last_name": "WIETH",
        "authorized_official_first_name": "CASSIE",
        "authorized_official_title_or_position": "DIRECTOR OF PAYOR RELATIONS",
        "authorized_official_telephone_number": "623-267-8121",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "1223X0400X",
            "taxonomy_group": "",
            "desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Pacific Grins Orthodontics",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Chino, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2025; 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.