Garrett Jarmin Kobayashi

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

5850 E Still Cir
Mesa, AZ 85206-3618

Phone

(661) 755-3421

NPI assigned

Sep 26, 2021

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, AZ2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Physician Assistant

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northern Arizona Healthcare CorporationGroup PAC ID 3577473362, 391 clinicians

High Desert Medical CorporationGroup PAC ID 6103730569, 58 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Flagstaff Medical Center Hospital, Flagstaff, AZ, CCN 030023

Merit-based Incentive Payment System (MIPS)

Final score

80.57 of 100Reported as group

Quality

62.42

Promoting interoperability

76

Improvement activities

40

Cost

76.15

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: garrett.kobayashi.p1@direct.bfmc.nextgenshare.com
• Direct secure messaging: garrett.kobayashi.p8@direct.bfmc.nextgenshare.com
• Direct secure messaging: garrett.kobayashi.p1@direct.lakeside.nextgenshare.com

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.

• Northern Arizona Healthcare Corporation

  • Family Medicine Physician
  • Flagstaff, AZ
  • NPI 1669914552
  Medicare reassignment Care Compare group NPD
• High Desert Medical Group

  • Multi-Specialty Clinic/Center
  • Lancaster, CA
  • NPI 1720196702
  Medicare reassignment Care Compare group
• Lakeside Medical Organization, a Medical Group Inc.

  • Internal Medicine Physician
  • West Hills, CA
  • NPI 1831426642
  Medicare reassignment
• Northern Arizona Healthcare Corporation

  • Multi-Specialty Clinic/Center
  • Flagstaff, AZ
  • NPI 1235732702
  NPD
• Lakeside Medical Associates, a Medical Group, Inc.

  • Rheumatology Physician
  • Burbank, CA
  • NPI 1861499535
  NPD (past)

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

• Flagstaff Medical Center

  • Air Ambulance
  • Flagstaff, AZ
  • NPI 1427234111

  Hospital

  Care Compare affiliation
• Flagstaff Medical Center

  • Land Ambulance
  • Flagstaff, AZ
  • NPI 1518143205

  Hospital

  Care Compare affiliation
• Flagstaff Medical Center

  • Psychiatric Hospital Unit
  • Flagstaff, AZ
  • NPI 1649370875
  Care Compare affiliation
• Flagstaff Medical Center

  • General Acute Care Hospital
  • Flagstaff, AZ
  • NPI 1780635078
  Care Compare affiliation

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

{
    "created_epoch": "1632614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1376214684",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5850 E STILL CIR",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852063618",
            "telephone_number": "661-755-3421"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5850 E STILL CIR",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "852063618",
            "telephone_number": "661-755-3421"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1895 N Jasper Dr Ste 3",
            "address_purpose": "LOCATION",
            "city": "Flagstaff",
            "state": "AZ",
            "postal_code": "860011632",
            "country_code": "US",
            "telephone_number": "928-913-8800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOBAYASHI",
        "first_name": "GARRETT",
        "middle_name": "JARMIN",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-09-26",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Richard Lee Knowles, D.C
• Tracy Lynn Knox, RN
• Martha Ann Knudson, P.T.
• Ruth A Knudtson, DC
• Addison Allen Knutson, DC
• Gregory Koberstein, PT
• Sara Kobylinski
• Nicole A Kocanda, M.S., CCC-SLP
• Ariel Koch, LCSW
• Emily Koch, RN

• Physician Assistant in Mesa, AZ
• Providers in Mesa, AZ by specialty
• Physician Assistant in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.