NPIMap

Individual provider Active NPI

Trenton Ralph Baker, DO

  • Anesthesiology Physician
  • Mesa, AZ
National Provider Identifier
1710340153
Registry record updated Jun 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
012433 Issued in AZ
Practice address
1301 S Crismon Rd
Mesa, AZ 85209-3767
Phone
(480) 405-1834
NPI assigned
Apr 2, 2016
Last updated
Jun 17, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 20A23631 CA
Anesthesiology Physician 207L00000X 012433 AZ Primary

Addresses

Primary practice location

1301 S Crismon Rd
Mesa, AZ 85209-3767

Mailing address

1301 S Crismon Rd
Mesa, AZ 85209-3767

Other practice location 1

3626 Ruffin Rd
San Diego, CA 92123-1810
Phone (858) 565-9666

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ID, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210226000908 ID Practitioner - Anesthesiology 2365736899 Reassigns benefits to 1 organization
I20250829001447 CA Practitioner - Anesthesiology 2365736899 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mountain View Hospital LLCGroup PAC ID 4486562774, 272 clinicians
Anesthesia Service Medical GroupGroup PAC ID 1153223219, 236 clinicians

Practice addresses (Care Compare)

2325 Coronado St
Idaho Falls, ID 83404-7407
Phone (208) 557-2700

3626 Ruffin Rd
San Diego, CA 92123-1810
Phone (619) 565-9666

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
012433AZMDAnesthesiology Physician
20A23631CAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia Service Medical Group Anesthesiology CurrentSince Oct 27, 2025 Accepting new patients
Mountain View Hospital LLC CurrentSince Feb 1, 2021 Accepting new patients
Arizona Anesthesia Consultants, Inc. Anesthesiology PastSince Aug 1, 2020 Accepting new patients

Locations

3626 Ruffin Rd
San Diego, CA 92123
Phone (619) 565-9666

2325 Coronado St
Idaho Falls, ID 83404
Phone (208) 528-7686

Organizations & group practices 3

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1459555200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1710340153",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1301 S CRISMON RD",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852093767"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1301 S CRISMON RD",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852093767",
            "telephone_number": "480-405-1834"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3626 Ruffin Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921231810",
            "country_code": "US",
            "telephone_number": "858-565-9666",
            "fax_number": "858-565-9441",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BAKER",
        "first_name": "TRENTON",
        "middle_name": "RALPH",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-02",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "20A23631",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "AZ",
            "license": "012433",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mesa, AZ

Sources for this page

Verify at the official NPI Registry.