NPIMap

Individual provider Active NPI

Walter Glen Speirs, PA-C

  • Physician Assistant
  • Mesa, AZ
National Provider Identifier
1326004094
Registry record updated Feb 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
10908 Issued in AZ
Practice address
7233 E Baseline Rd Ste 126
Mesa, AZ 85209-5007
Phone
(602) 755-0800
Fax
(602) 560-2721
NPI assigned
Apr 21, 2006
Last updated
Feb 4, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 4, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 10908 AZ Primary

Addresses

Primary practice location

7233 E Baseline Rd Ste 126
Mesa, AZ 85209-5007

Mailing address

PO Box 24981
Belfast, ME 04915-2000
Phone (844) 969-0686

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, AZ2 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
I20130507000209 CA Practitioner - Physician Assistant 0345276952 Reassigns benefits to 2 organizations
I20250210002549 AZ Practitioner - Physician Assistant 0345276952 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
University of Utah School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Summit Medical Group Arizona LLCGroup PAC ID 3173872835, 152 clinicians

Practice addresses (Care Compare)

140 Litton Dr
Suite 100
Grass Valley, CA 95945-5078
Phone 5302729788277

14541 W Indian School Rd
Suite 600
Goodyear, AZ 85395-9243
Phone (888) 698-6727

7233 E Baseline Rd
Suite 126
Mesa, AZ 85209-5007
Phone (602) 755-0800

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
1476COMDPsychologist
22863CAMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
Western Sierra Medical Clinic, Inc. CurrentSince Jul 10, 2023 Accepting new patients
Sierra Nevada Primary Care Physicians a Medical Corporation CurrentSince Sep 20, 2025 Accepting new patients
Western Sierra Medical Clinic, Inc. CurrentSince Jul 10, 2023 Accepting new patients
Colorado West Regional Mental Health, Inc. Past Accepting new patients
Community Medical Group, LLC Past Accepting new patients
Sierra Nevada Primary Care Past Accepting new patients
Internal Medicine Associates of Grand Junction PC Past Accepting new patients

Locations

140 Litton Dr
Ste 100
Grass Valley, CA 95945
Phone (530) 272-9780

140 Litton Dr
Ste 120
Grass Valley, CA 95945
Phone (530) 272-9770

844 Old Tunnel Rd
Grass Valley, CA 95945
Phone (530) 273-4984

11400 Pleasant Valley Rd
Penn Valley, CA 95946
Phone (530) 210-1719

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/JHBABA/Endpoint/JHBABA

Organizations & group practices 9

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 1

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": "1145577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738627200000",
    "number": "1326004094",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 24981",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049152000",
            "telephone_number": "844-969-0686",
            "fax_number": "773-832-7083"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7233 E BASELINE RD STE 126",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852095007",
            "telephone_number": "602-755-0800",
            "fax_number": "602-560-2721"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPEIRS",
        "first_name": "WALTER",
        "middle_name": "GLEN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-21",
        "last_updated": "2025-02-04",
        "certification_date": "2025-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "AZ",
            "license": "10908",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mesa, AZ

Sources for this page

Verify at the official NPI Registry.