Alan Eldon Harzman, M.D.

Primary specialty

Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X

License

35089388 Issued in OH

Practice address

1800 Zollinger Rd FL 3
Columbus, OH 43221-2800

Phone

(614) 366-4272

Fax

(614) 366-9440

NPI assigned

May 21, 2007

Sex

Male

Sole proprietor

No

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 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

Colorectal Surgery (Proctology)Also: General Surgery

Education

Washington University School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Osu Surgery, LLCGroup PAC ID 0941105266, 207 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ohio State University State Health System Hospital, Columbus, OH, CCN 360085
• James Cancer Hospital & Solove Research Institute Hospital, Columbus, OH, CCN 360242

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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 Surgery, LLC

  • Surgery Physician
  • Columbus, OH
  • NPI 1538117551

  OH, Surgery

  Medicare reassignment Care Compare group NPD
• Arthur G James Cancer Hospital and Research Institute

  • Special Hospital
  • Columbus, OH
  • NPI 1124127683
  NPD (past)
• Lima Memorial Joint Operating Company

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  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.

• Arthur G James Cancer Hospital and Research Institute

  • Special Hospital
  • Columbus, OH
  • NPI 1124127683

  Hospital

  Care Compare affiliation
• Ohio State University Hospitals

  • Rehabilitation Hospital Unit
  • Columbus, OH
  • NPI 1184723637

  Hospital

  Care Compare affiliation
• Ohio State University Hospitals

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1447359997

  Hospital

  Care Compare affiliation
• Ohio State University Hospitals

  • Psychiatric Hospital Unit
  • Columbus, OH
  • NPI 1790876183

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1179705600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1497964084",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 ACKERMAN RD STE 2120",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021559",
            "telephone_number": "614-366-4272",
            "fax_number": "614-366-9440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 ZOLLINGER RD FL 3",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432212800",
            "telephone_number": "614-366-4272",
            "fax_number": "614-366-9440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARZMAN",
        "first_name": "ALAN",
        "middle_name": "ELDON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-21",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "OH",
            "license": "35089388",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OH",
            "license": "35089388",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aharzman4542@direct.osumc.edu",
            "affiliation": "N",
            "address_1": "1800 Zollinger Rd",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "43221",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Jax Harville, DO
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• Sarah Ann Harwell, ATC
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• Abul Hasan, MD
• Adel Hasan, DDS
• Asif Hasan, MD
• Ayesha K Hasan, MD

• All providers in Columbus, OH
• Colon & Rectal Surgery Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 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.