Michael Thomas Arntsen, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

15-02789 Issued in KS

Practice address

2660 SW 3Rd St
Topeka, KS 66606-2442

Phone

(785) 354-9591

Fax

(785) 368-0739

NPI assigned

Jul 12, 2022

Last updated

Sep 8, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in KS

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 1

Specialty

Physician Assistant

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cotton-O'Neil Clinic Revocable TrustGroup PAC ID 5496659195, 659 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Stormont Vail Hospital Hospital, Topeka, KS, CCN 170086
• Community Hospital, Onaga and St Marys Campus Hospital, Onaga, KS, CCN 171354
• Ascension Via Christi Hospital Manhattan, Inc Hospital, Manhattan, KS, CCN 170142
• Stormont Vail Health Flint Hills, LLC Hospital, Junction City, KS, CCN 170074
• Newman Regional Health Hospital, Emporia, KS, CCN 171384

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: marntsen130375@stormontvaildirect.org

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.

• Cotton-O'Neil Clinic Revocable Trust

  dba Cotton O'Neil

  • Internal Medicine Physician
  • Topeka, KS
  • NPI 1811944457
  Medicare reassignment Care Compare group NPD
• Cotton-O'Neil Clinic Revocable Trust

  dba Stormont Vail Health DME

  • Durable Medical Equipment & Medical Supplies
  • Topeka, KS
  • NPI 1700076015
  NPD

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

• Ascension Via Christi Hospital Manhattan, Inc.

  • General Acute Care Hospital
  • Manhattan, KS
  • NPI 1760482517
  Care Compare affiliation
• Community Healthcare System, Inc

  dba Community Hospital Onaga & St Marys

  • Critical Access Hospital
  • Onaga, KS
  • NPI 1457351389
  Care Compare affiliation
• Newman Memorial County Hospital

  dba Newman Regional Health

  • Critical Access Hospital
  • Emporia, KS
  • NPI 1245643576
  Care Compare affiliation
• Newman Memorial County Hospital

  dba Newman Express Care

  • Urgent Care Clinic/Center
  • Emporia, KS
  • NPI 1922306729

  Hospital

  Care Compare affiliation
• Stormont Vail Health Flint Hills LLC

  dba Stormont Vail Health Flint Hills

  • General Acute Care Hospital
  • Junction City, KS
  • NPI 1679280192
  Care Compare affiliation
• Stormont-Vail Healthcare Inc

  dba Stormont Vail Hospital

  • General Acute Care Hospital
  • Topeka, KS
  • NPI 1194782409
  Care Compare affiliation

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

{
    "created_epoch": "1657584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1831823301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2660 SW 3RD ST",
            "city": "TOPEKA",
            "state": "KS",
            "postal_code": "666062442",
            "telephone_number": "785-354-9591",
            "fax_number": "785-368-0739"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2660 SW 3RD ST",
            "city": "TOPEKA",
            "state": "KS",
            "postal_code": "666062442",
            "telephone_number": "785-354-9591",
            "fax_number": "785-368-0739"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 SW 10th Ave",
            "address_purpose": "LOCATION",
            "city": "Topeka",
            "state": "KS",
            "postal_code": "666041301",
            "country_code": "US",
            "telephone_number": "785-354-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1325 Research Park Dr",
            "address_purpose": "LOCATION",
            "city": "Manhattan",
            "state": "KS",
            "postal_code": "665025000",
            "country_code": "US",
            "telephone_number": "785-354-9591",
            "fax_number": "785-368-0493",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARNTSEN",
        "first_name": "MICHAEL",
        "middle_name": "THOMAS",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-07-12",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "KS",
            "license": "15-02789",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vicki Lei Arnett, LSCSW
• Darlene Ray Arnold
• Leslie Ann Arnold, CNM
• Matthew Ryan Arnold, RN
• Rebecca A Arnold
• Lisa Arredondo
• Joan S Arterburn
• Amy L Arthington
• Dennis Charles Artzer, MD
• Asa New Beginning, Inc.

• Physician Assistant in Topeka, KS
• Providers in Topeka, KS by specialty
• Physician Assistant in Kansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 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.