Daniel Phillip Geisler, MD

Primary specialty

Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X

License

35.086816 Issued in OH

Practice address

100 Jackson Pike
Gallipolis, OH 45631-1560

Phone

(855) 446-5937

NPI assigned

Jun 23, 2006

Last updated

Dec 16, 2025By 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 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OH, TX, NY, VA, MI5 enrollments

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 5

Specialty

Colorectal Surgery (Proctology)Also: General Surgery

Education

Saint Louis University School of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Holzer Clinic LLCGroup PAC ID 5890606008, 266 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Holzer Medical Center Hospital, Gallipolis, OH, CCN 360054

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: daniel.geisler.1@17389.direct.athenahealth.com
• Direct secure messaging: daniel.geisler1@17389.direct.athenahealth.com
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/

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.

• Holzer Clinic, LLC

  • Multi-Specialty Clinic/Center
  • Gallipolis, OH
  • NPI 1508817248
  Medicare reassignment Care Compare group NPD
• Buchanan Health Care LLC

  • Specialist
  • Grundy, VA
  • NPI 1609808484
  Medicare reassignment NPD
• Mary Washington Healthcare Physicians

  • Family Medicine Physician
  • Fredericksburg, VA
  • NPI 1295999852
  Medicare reassignment NPD
• The Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1265598783

  Colon & Rectal Surgery

  Medicare reassignment NPD
• TMH Physician Associates PLLC

  • Ophthalmology Physician
  • Houston, TX
  • NPI 1275779225
  Medicare reassignment NPD
• Troy Gastroenterology PC

  dba Center For Digestive Health

  • Gastroenterology Physician
  • Rochester Hills, MI
  • NPI 1134180318
  Medicare reassignment NPD
• Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1508266347
  Medicare reassignment NPD
• I Path LLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Gallipolis, OH
  • NPI 1942525563
  NPD
• Mary Washington Healthcare Physicians

  • Durable Medical Equipment & Medical Supplies
  • Fredericksburg, VA
  • NPI 1740853035
  NPD
• Pathology Associates of Fredericksburg PTR

  • Anatomic Pathology Physician
  • Fredericksburg, VA
  • NPI 1033150982
  NPD
• TMH Physician Associates PLLC

  • Orthopaedic Surgery Physician
  • Spring, TX
  • NPI 1043061351
  NPD
• Troy Gastroenterology, PC

  dba Michigan Gastroenterology Institute

  • Gastroenterology Physician
  • East Lansing, MI
  • NPI 1699880591

  Colon & Rectal Surgery

  NPD

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

• Holzer Hospital Foundation

  • Rural Acute Care Hospital
  • Gallipolis, OH
  • NPI 1942256888
  Care Compare affiliation

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

{
    "created_epoch": "1151020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1467488585",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 JACKSON PIKE",
            "city": "GALLIPOLIS",
            "state": "OH",
            "postal_code": "456311560",
            "telephone_number": "855-446-5937",
            "fax_number": "740-446-5956"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 JACKSON PIKE",
            "city": "GALLIPOLIS",
            "state": "OH",
            "postal_code": "456311560",
            "telephone_number": "855-446-5937"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEISLER",
        "first_name": "DANIEL",
        "middle_name": "PHILLIP",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-23",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "OH",
            "license": "35.086816",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "daniel.geisler1@17389.direct.athenahealth.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "100 Jackson Pike",
            "city": "Gallipolis",
            "state": "OH",
            "country_code": "US",
            "postal_code": "456311560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Gallipolis Chiropractic and Wellness Center
• Gallipolis City Schools
• Gallipolis City Schools
• Gallipolis Opco, LLC (Arbors at Gallipolis)
• Gary L. Clarke, Inc.
• Lucas Georgandellis, M.D.
• Chelsea Gerena, DO
• Louis Arsenio Gerena, M.D.
• Gayatri Vijay Ghadvaje, MD
• Jacqueline June Gibbs, CDCA

• Colon & Rectal Surgery Physician in Gallipolis, OH
• Providers in Gallipolis, OH by specialty
• Colon & Rectal Surgery Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 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.