John A Hartman, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

R5E40 Issued in MO

Practice address

1103 Weber Rd
Ste 101
Farmington, MO 63640-3326

Phone

(573) 756-6438

Fax

(573) 756-6439

NPI assigned

Jun 10, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

At Still University of Health Sciences, College of Osteo Med, Kirksville, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington County Memorial HospitalGroup PAC ID 3476456880, 22 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Washington County Memorial Hospital Hospital, Potosi, MO, CCN 261308

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: john.hartman.p1@direct.wcmh-clinics.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.

• Washington County Memorial Hospital

  • Critical Access Hospital
  • Potosi, MO
  • NPI 1194838821
  Medicare reassignment Care Compare group NPD
• Medicine Specialists, Inc.

  • Internal Medicine Physician
  • Farmington, MO
  • NPI 1588668172
  NPD Authorized official
• Washington County Memorial Hospital

  • Rural Health Clinic/Center
  • Belgrade, MO
  • NPI 1871102137
  NPD
• Farmington Clinic Company, LLC

  • Rural Health Clinic/Center
  • Farmington, MO
  • NPI 1316223944
  NPD (past)
• Farmington Physician Services LLC

  • Hospitalist Physician
  • Farmington, MO
  • NPI 1659642825
  NPD (past)
• Mineral Area Osteopathic Hospital Inc

  • Nurse Practitioner
  • Farmington, MO
  • NPI 1124220637

  Internal Medicine

  NPD (past)
• Physician Groups LC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1285664268

  Internal Medicine

  NPD (past)
• Washington County Memorial Hospital

  • Rural Health Clinic/Center
  • Potosi, MO
  • NPI 1467424788
  NPD (past)

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

• Washington County Memorial Hospital

  • Critical Access Hospital
  • Potosi, MO
  • NPI 1194838821
  Care Compare affiliation

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

{
    "created_epoch": "1118361600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1225032832",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "P.O. BOX 857",
            "city": "FARMINGTON",
            "state": "MO",
            "postal_code": "636403326",
            "telephone_number": "573-756-6438",
            "fax_number": "573-756-6439"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1103 WEBER RD",
            "address_2": "STE 101",
            "city": "FARMINGTON",
            "state": "MO",
            "postal_code": "636403326",
            "telephone_number": "573-756-6438",
            "fax_number": "573-756-6439"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARTMAN",
        "first_name": "JOHN",
        "middle_name": "A",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "R5E40",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "242382208",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Linda Kay Harris, RN
• Samantha Harris
• Stacie Harris
• Kayla Lynn Harshman, MD
• Kelly L Hartel, M.D.
• Bonnie Lou Hartrup, MSW, LCSW
• Mark A Hassen, MD
• Cherie M Haug, P.T., D.P.T.
• Michael K Haynes, PT
• Michelle Meiko Hays, RN

• Internal Medicine Physician in Farmington, MO
• Providers in Farmington, MO by specialty
• Internal Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.