Daniel Phillip Geisler, MD

Key facts

NPI

1467488585

Entity type

Individual (NPI type 1)

Primary specialty

Colon & Rectal Surgery Physician 208C00000X

License

35.086816 (OH)

Practice address

100 Jackson Pike
Gallipolis, OH 45631-1560

Phone

(855) 446-5937

NPI assigned

Jun 23, 2006

Sex

Male

Sole proprietor

No

Organizations & group practices 15

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.

• Holzer Clinic, LLC Multi-Specialty Clinic/Center · Gallipolis, OH · NPI 1508817248
  Medicare reassignment Care Compare group NPD OH
• Buchanan Health Care LLC Specialist · Grundy, VA · NPI 1609808484
  Medicare reassignment NPD VA
• Mary Washington Healthcare Physicians Family Medicine Physician · Fredericksburg, VA · NPI 1295999852
  Medicare reassignment NPD VA
• The Trustees of Columbia University in the City of New York Surgery Physician · New York, NY · NPI 1265598783
  Medicare reassignment NPD COLON & RECTAL SURGERY · NY
• TMH Physician Associates PLLC Ophthalmology Physician · Houston, TX · NPI 1275779225
  Medicare reassignment NPD TX
• Troy Gastroenterology PC Gastroenterology Physician · Rochester Hills, MI · NPI 1134180318
  Medicare reassignment NPD MI
• Trustees of Columbia University in the City of New York Surgery Physician · New York, NY · NPI 1508266347
  Medicare reassignment NPD NY
• 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 Gastroenterology Physician · East Lansing, MI · NPI 1699880591
  NPD COLON & RECTAL SURGERY
• Trustees of Columbia University in the City of New York Internal Medicine Physician · New York, NY · NPI 1699289488
  NPD
• Lima Memorial Joint Operating Company General Acute Care Hospital · Lima, OH · NPI 1336144732
  NPD (past)
• Trustees of Columbia University in the City of New York Internal Medicine Physician · Fort Lee, NJ · NPI 1982993184
  NPD (past)

Hospital & facility affiliations 1

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 Hospital

Medicare Care Compare profile

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 LLC (266 clinicians)

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare participation

Medicare fee-for-service enrollment

Enrolled (5 enrollments) in OH, TX, NY, VA, MI

Eligible to order & refer

Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

National Provider Directory

Medicare enrollment (NPD)

Yes

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

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

Specialties & licenses

Addresses

Other identifiers

Electronic endpoints

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Dec 16, 2025.

{
    "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": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "360448002",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2598336",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "360448001",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8FZ227",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8FZ228",
            "state": "TX"
        }
    ],
    "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": []
}

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All providers in Gallipolis, OH · Colon & Rectal Surgery Physician in Ohio