Individual provider Active NPI

Ivan Delano Rees, D.D.S.

  • Dental Anesthesiology
  • Orange, CA
National Provider Identifier
1679874341
Registry record updated Dec 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dental AnesthesiologyTaxonomy code 1223D0004X
License
GA1658 Issued in CA
Practice address
744 E Chapman Ave
Orange, CA 92866-1621
Phone
(714) 538-5582
NPI assigned
Nov 10, 2010
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 9, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dental Anesthesiology 1223D0004X GA1658 CA Primary
Dentist 122300000X 62360 CA

Addresses

Primary practice location

744 E Chapman Ave
Orange, CA 92866-1621

Mailing address

25612 Barton Rd
#168
Loma Linda, CA 92354-3110
Phone (951) 522-4090

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
62360CAMDDentist
GA1658CAMDDentist Anesthesiologist

Practice roles

OrganizationSpecialtyStatusNew patients
P.K. Patel & S.K. Patel, a Professional Dental Corporation Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1289347200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1679874341",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25612 BARTON RD",
            "address_2": "#168",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923543110",
            "telephone_number": "951-522-4090"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "744 E CHAPMAN AVE",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928661621",
            "telephone_number": "714-538-5582"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REES",
        "first_name": "IVAN",
        "middle_name": "DELANO",
        "name_prefix": "Dr.",
        "credential": "D.D.S.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-11-10",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223D0004X",
            "taxonomy_group": "",
            "desc": "Dentist, Dental Anesthesiology",
            "state": "CA",
            "license": "GA1658",
            "primary": true
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "CA",
            "license": "62360",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 9, 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.