Douglas Michael Marks, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

10005118A Issued in IN

Practice address

600 Mary St
Evansville, IN 47710-1658

Phone

(812) 450-3405

NPI assigned

Jul 5, 2022

Last updated

Jul 22, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 PA, KY2 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

University of Wisconsin School of Medicine, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

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.

• Emergency Physician Associates of Pennsylvania, PC

  • Emergency Medicine Physician
  • Hanover, PA
  • NPI 1619990900
  Medicare reassignment
• Methodist Health, Inc.

  dba Deaconess Henderson Emergency

  • Emergency Medicine Physician
  • Henderson, KY
  • NPI 1912544958
  Medicare reassignment
• Deaconess Hospital, Inc

  dba Deaconess Care Group

  • Hospitalist Physician
  • Evansville, IN
  • NPI 1427097443

  Physician Assistant

  NPD (past)

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

{
    "created_epoch": "1656979200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1760115125",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 MARY ST",
            "city": "EVANSVILLE",
            "state": "IN",
            "postal_code": "477101658",
            "telephone_number": "812-450-3405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 MARY ST",
            "city": "EVANSVILLE",
            "state": "IN",
            "postal_code": "477101658",
            "telephone_number": "812-450-3405"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKS",
        "first_name": "DOUGLAS",
        "middle_name": "MICHAEL",
        "name_prefix": "Mr.",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-07-05",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IN",
            "license": "10005118A",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "PA",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark a Sitzman PC
• Mark B Luzader
• Mark F Morrison, M.D., P.C. (Women's Health Center)
• Mary Lynn Markham, NP
• Cynthia Marks, M.D.
• Leuticia Dianne Marks, PTA
• Jamie R Marksberry, NP
• Chelsy Marlin, DO
• Jacqueline Marlow, MPH
• Kathy R Marquis, P.A.

• Physician Assistant in Evansville, IN
• Providers in Evansville, IN by specialty
• Physician Assistant in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.