Individual provider Active NPI

Allen Enrique Siapno

  • Urology Physician
  • Columbus, OH
National Provider Identifier
1659012359
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
57.255487 Issued in OH
Practice address
915 Olentangy River Rd Ste 3000
Columbus, OH 43212-3153
Phone
(614) 293-8000
NPI assigned
Apr 5, 2022
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208800000X 57.255487 OH Primary

Addresses

Primary practice location

915 Olentangy River Rd Ste 3000
Columbus, OH 43212-3153

Mailing address

915 Olentangy River Rd Ste 3000
Columbus, OH 43212-3153

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
57.255487OHMDUrology Physician

NPI Registry JSON

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1659012359",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 OLENTANGY RIVER RD STE 3000",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432123153"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 OLENTANGY RIVER RD STE 3000",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432123153",
            "telephone_number": "614-293-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIAPNO",
        "first_name": "ALLEN ENRIQUE",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-04-05",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Urology",
            "state": "OH",
            "license": "57.255487",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.