Individual provider Active NPI

Ronald Bierma, M.D.

  • Anesthesiology Physician
  • Peoria, AZ
National Provider Identifier
1629000369
Registry record updated Dec 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
19317 Issued in AZ
Practice address
13183 W Lone Tree TRL
Peoria, AZ 85383-5425
Phone
(559) 284-8623
NPI assigned
Jul 6, 2006
Last updated
Dec 20, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 20, 2025

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 A43625 CA
Anesthesiology Physician 207L00000X 19317 AZ Primary

Addresses

Primary practice location

13183 W Lone Tree TRL
Peoria, AZ 85383-5425

Mailing address

13183 W Lone Tree TRL
Peoria, AZ 85383-5425
Phone (559) 284-8623

Medicare participation

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

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
92.04 of 100Reported as group
Quality
78.62
Promoting interoperability
100
Improvement activities
40
Cost
75.31

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
19317AZMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Fresno Community Hospital and Medical Center Past Accepting new patients
Anesthesia Consultants of Fresno Anesthesiology Past Accepting new patients
Community Anesthesia Providers Medical Group Inc Anesthesiology Past Accepting new patients
Community Foundation Medical Group Past Accepting new patients

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1152144000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766188800000",
    "number": "1629000369",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13183 W LONE TREE TRL",
            "city": "PEORIA",
            "state": "AZ",
            "postal_code": "853835425",
            "telephone_number": "559-284-8623"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13183 W LONE TREE TRL",
            "city": "PEORIA",
            "state": "AZ",
            "postal_code": "853835425",
            "telephone_number": "559-284-8623"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIERMA",
        "first_name": "RONALD",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-06",
        "last_updated": "2025-12-20",
        "certification_date": "2025-12-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A43625",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "AZ",
            "license": "19317",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Peoria, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.