Michael R. Dienstbach, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35.141384 Issued in OH

Practice address

1405 S High St
Columbus, OH 43207

Phone

(614) 355-9000

Fax

(614) 355-9010

NPI assigned

Mar 27, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in OH

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

HospitalistAlso: Internal Medicine

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Osu Internal Medicine LLCGroup PAC ID 5496651408, 1,141 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ohio State University State Health System Hospital, Columbus, OH, CCN 360085

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: michael.dienstbach.1@19221.direct.athenahealth.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.

• Osu Internal Medicine, LLC

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1740231448
  Medicare reassignment Care Compare group NPD
• Nationwide Children'S Hospital

  • Multi-Specialty Clinic/Center
  • Columbus, OH
  • NPI 1851179873

  Pediatrics

  Medicare reassignment NPD
• Pediatric Academic Association, Inc.

  • Pediatrics Physician
  • Columbus, OH
  • NPI 1063419943
  Medicare reassignment NPD
• Nationwide Children'S Hospital

  • Durable Medical Equipment & Medical Supplies
  • Columbus, OH
  • NPI 1447061262
  NPD
• Nationwide Children'S Hospital

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1134152986
  NPD (past)
• Nationwide Children'S Hospital

  • Dental Clinic/Center
  • Columbus, OH
  • NPI 1407013964
  NPD (past)
• Ohio State University Hospitals

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1447359997
  NPD (past)

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

• Ohio State University Hospitals

  • Rehabilitation Hospital Unit
  • Columbus, OH
  • NPI 1184723637
  Care Compare affiliation
• Ohio State University Hospitals

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1447359997
  Care Compare affiliation
• Ohio State University Hospitals

  • Psychiatric Hospital Unit
  • Columbus, OH
  • NPI 1790876183
  Care Compare affiliation

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

{
    "created_epoch": "1522108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761609600000",
    "number": "1215432604",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1405 S HIGH ST",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432071043",
            "telephone_number": "614-355-9000",
            "fax_number": "614-355-9010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1405 S HIGH ST",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "43207",
            "telephone_number": "614-355-9000",
            "fax_number": "614-355-9010"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "410 W 10th Ave",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432101240",
            "country_code": "US",
            "telephone_number": "614-293-7499",
            "fax_number": "614-366-2360",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "444 Butterfly Gardens Dr",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432153427",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "700 Childrens Dr",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432052664",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIENSTBACH",
        "first_name": "MICHAEL",
        "middle_name": "R.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-27",
        "last_updated": "2025-10-28",
        "certification_date": "2025-10-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OH",
            "license": "57246387",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.141384",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OH",
            "license": "35.141384",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "OH",
            "license": "35.141384",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark William Diemer
• Omar Dieng
• Tokeshia Dieng
• Molly Dienhart, MD
• Peter WM Dienhart, MD
• Dierker Physicians LLC
• Ashley N Dierkes, PA
• Caleb Tyrese Diersing
• Lynsey Diersing, RN
• Sarah Louise Dieter, O.D

• Internal Medicine Physician in Columbus, OH
• Providers in Columbus, OH by specialty
• Internal Medicine Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 28, 2025; 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.