Larry Johnston, D.O.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

05983 Issued in IA

Practice address

1215 Duff Ave
Ames, IA 50010-5469

Phone

(515) 239-4450

NPI assigned

Feb 28, 2015

Last updated

Aug 2, 2022By 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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IA

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

Gastroenterology

Education

Oklahoma State University College of Osteopathic Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

McFarland Clinic PCGroup PAC ID 1254244239, 353 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mary Greeley Medical Center Hospital, Ames, IA, CCN 160030
• Van Diest Medical Center Hospital, Webster City, IA, CCN 161361

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ljohnston715590@directa.mercy.net

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.

• McFarland Clinic PC

  • Multi-Specialty Clinic/Center
  • Ames, IA
  • NPI 1639135643
  Medicare reassignment Care Compare group NPD
• McFarland Clinic, PC

  • Eyewear Supplier
  • Boone, IA
  • NPI 1528149457
  NPD (past)

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

• Hamilton County Public Hospital

  dba VanDiest Medical Center

  • Critical Access Hospital
  • Webster City, IA
  • NPI 1295702397
  Care Compare affiliation
• Hamilton County Public Hospital

  dba Van Diest Medical Center Stratford Clinic

  • Rural Health Clinic/Center
  • Stratford, IA
  • NPI 1497957351

  Hospital

  Care Compare affiliation
• Mary Greeley Medical Center

  • General Acute Care Hospital
  • Ames, IA
  • NPI 1477539492
  Care Compare affiliation

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

{
    "created_epoch": "1425081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1659398400000",
    "number": "1386036333",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1215 DUFF AVE",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500105469",
            "telephone_number": "515-239-4400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1215 DUFF AVE",
            "city": "AMES",
            "state": "IA",
            "postal_code": "500105469",
            "telephone_number": "515-239-4450"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "LARRY",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-02-28",
        "last_updated": "2022-08-02",
        "certification_date": "2022-08-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "6004",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IA",
            "license": "05983",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ljohnston111492@directmcfarlandclinic.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "1215 Duff Ave",
            "city": "Ames",
            "state": "IA",
            "country_code": "US",
            "postal_code": "500105469",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Darryl C Johnson, DO
• Jill Johnson, PA-C
• Kara J. Johnson, PA-C
• Kristina A Johnson, PA-C
• Thomas Johnson
• Charles Jones, LMSW
• Laura Rochelle Jones, ARNP
• Steve Jones
• Charles Douglas Jons, M.D.
• Charlotte Rose Jordan

• Gastroenterology Physician in Ames, IA
• Providers in Ames, IA by specialty
• Gastroenterology Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 2, 2022; 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.