Individual provider Active NPI

Errol O'Neil Singh, M.D.

  • Urology Physician
  • Columbus, OH
National Provider Identifier
1629141577
Registry record updated Mar 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
35059949 Issued in OH
Practice address
4845 Knightsbridge Blvd
Ste 100
Columbus, OH 43214
Phone
(614) 784-8765
Fax
(614) 784-1153
NPI assigned
Nov 16, 2006
Last updated
Mar 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 5, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X MD61373509 WA
Urology Physician 208800000X MC-1749 ID
Urology Physician 208800000X 000000 IA
Urology Physician 208800000X DR.0072995 CO
Urology Physician 208800000X 35059949 OH Primary

Addresses

Primary practice location

4845 Knightsbridge Blvd
Ste 100
Columbus, OH 43214

Mailing address

4845 Knightsbridge Blvd
Ste 100
Columbus, OH 43214-2463
Phone (614) 784-8765

Other practice location 1

21822 76th Ave W
Edmonds, WA 98026-7900
Phone (425) 775-7166

Other practice location 2

1010 Three Springs Blvd Ste 270
Durango, CO 81301-8296
Phone (970) 764-3845

Other practice location 3

5950 University Ave Ste 341
West Des Moines, IA 50266-8289
Phone (515) 875-9800

Other practice location 4

751 Forest Ave Ste 301
Zanesville, OH 43701-2875
Phone (740) 455-4923

Other practice location 5

1925 Mountain View Ave
Longmont, CO 80501-3128
Phone (720) 718-8305

Other practice location 6

4000 Miamisburg Centerville Rd Ste 450
Miamisburg, OH 45342-3908
Phone (937) 560-2011

Other practice location 7

775 Pole Line Rd W Ste 301
Twin Falls, ID 83301-5823
Phone (208) 814-8700

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address esingh784785@direct.ketteringhealth.org
FHIR URL https:/khnarr.ketthealth.com/FHIR-PROD/api/FHIR/R4/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH, TX, CO, FL, MN5 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

Enrollment IDStateProvider typePAC IDDetails
I20040303000950 OH Practitioner - Urology 6901793942 Reassigns benefits to 1 organization
I20250220001333 TX Practitioner - Urology 6901793942 Reassigns benefits to 1 organization
I20250930001589 CO Practitioner - Urology 6901793942 Reassigns benefits to 2 organizations
I20260107001261 FL Practitioner - Urology 6901793942 Reassigns benefits to 1 organization
I20260618000818 MN Practitioner - Urology 6901793942 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
University of Nebraska College of Medicine, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Catholic Health Initiatives ColoradoGroup PAC ID 8022927342, 1,230 clinicians
Poudre Valley Medical Group LLCGroup PAC ID 9638208549, 2,425 clinicians

Practice addresses (Care Compare)

1010 Three Springs Blvd
Suite 270
Durango, CO 81301-8296
Phone (970) 764-3845

1925 Mountain View Ave
Longmont, CO 80501-3128
Phone (303) 776-1234

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Prostate resection1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
000000IAMDUrology Physician
MC-1749IDMDUrology Physician
35059949OHMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Poudre Valley Medical Group, LLC CurrentSince Dec 30, 2025 Accepting new patients
Seton Family of Doctors CurrentSince Dec 19, 2024 Accepting new patients
Catholic Health Initiatives Colorado Current Accepting new patients
Poudre Valley Medical Group, LLC Urology CurrentSince Dec 30, 2025 Accepting new patients
Santa Rosa Hma Physician Management, LLC CurrentSince Oct 6, 2025 Accepting new patients
Seton Family of Doctors Current Accepting new patients
Kettering Independent Medical Group Inc CurrentSince Dec 29, 2022 Accepting new patients
Seton Family of Doctors CurrentSince Dec 19, 2024 Accepting new patients
Catholic Health Initiatives Colorado CurrentSince Sep 15, 2025 Accepting new patients
Catholic Health Initiatives Colorado CurrentSince Sep 15, 2025 Accepting new patients
Catholic Health Initiatives Colorado Past Accepting new patients
St Luke's Magic Valley Regional Medical Center LTD Past Accepting new patients

Locations

4404 Barranca Ln
Castle Rock, CO 80104
Phone (720) 733-5260

9100 E Mineral Cir
Centennial, CO 80112
Phone (303) 561-5193

1010 Three Springs Blvd
Ste 270
Durango, CO 81301
Phone (970) 764-3800

1925 Mountain View Ave
Longmont, CO 80501
Phone (303) 776-1234

41 State Highway 67
Woodland Park, CO 80863
Phone (719) 686-0551

4225 Woodbine Rd
Ste C
Pace, FL 32571
Phone (850) 626-2020

4403 Far Hills Ave
Kettering, OH 45429
Phone (937) 395-3920

4000 Miamisburg Centerville Rd
Ste 450
Miamisburg, OH 45342
Phone (937) 439-3600

6001 Kyle Pkwy
Kyle, TX 78640
Phone (512) 504-5000

Interoperability endpoints

  • Direct secure messaging: eos@cu-oh.direct.office.nextgen.com
  • Direct secure messaging: errol.singh.2@4692.direct.athenahealth.com
  • Direct secure messaging: esingh2835744@wm.providencedirect.org
  • Direct secure messaging: esingh634394@direct.peacehealth.org
  • Direct secure messaging: esingh784785@direct.ketteringhealth.org

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 26

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

View all 26

NPI Registry JSON

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

{
    "created_epoch": "1163635200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772668800000",
    "number": "1629141577",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4845 KNIGHTSBRIDGE BLVD",
            "address_2": "STE 100",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432142463",
            "telephone_number": "614-784-8765",
            "fax_number": "614-784-1153"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4845 KNIGHTSBRIDGE BLVD",
            "address_2": "STE 100",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "43214",
            "telephone_number": "614-784-8765",
            "fax_number": "614-784-1153"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21822 76th Ave W",
            "address_purpose": "LOCATION",
            "city": "Edmonds",
            "state": "WA",
            "postal_code": "980267900",
            "country_code": "US",
            "telephone_number": "425-775-7166",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1010 Three Springs Blvd Ste 270",
            "address_purpose": "LOCATION",
            "city": "Durango",
            "state": "CO",
            "postal_code": "813018296",
            "country_code": "US",
            "telephone_number": "970-764-3845",
            "fax_number": "970-764-3823",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5950 University Ave Ste 341",
            "address_purpose": "LOCATION",
            "city": "West Des Moines",
            "state": "IA",
            "postal_code": "502668289",
            "country_code": "US",
            "telephone_number": "515-875-9800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "751 Forest Ave Ste 301",
            "address_purpose": "LOCATION",
            "city": "Zanesville",
            "state": "OH",
            "postal_code": "437012875",
            "country_code": "US",
            "telephone_number": "740-455-4923",
            "fax_number": "740-586-6899",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1925 Mountain View Ave",
            "address_purpose": "LOCATION",
            "city": "Longmont",
            "state": "CO",
            "postal_code": "805013128",
            "country_code": "US",
            "telephone_number": "720-718-8305",
            "fax_number": "720-718-0955",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4000 Miamisburg Centerville Rd Ste 450",
            "address_purpose": "LOCATION",
            "city": "Miamisburg",
            "state": "OH",
            "postal_code": "453423908",
            "country_code": "US",
            "telephone_number": "937-560-2011",
            "fax_number": "937-560-2012",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "775 Pole Line Rd W Ste 301",
            "address_purpose": "LOCATION",
            "city": "Twin Falls",
            "state": "ID",
            "postal_code": "833015823",
            "country_code": "US",
            "telephone_number": "208-814-8700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINGH",
        "first_name": "ERROL",
        "middle_name": "O'NEIL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-16",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WA",
            "license": "MD61373509",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "ID",
            "license": "MC-1749",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "IA",
            "license": "000000",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "CO",
            "license": "DR.0072995",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "OH",
            "license": "35059949",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "esingh784785@direct.ketteringhealth.org",
            "affiliation": "N",
            "address_1": "4000 Miamisburg Centerville Rd Ste 450",
            "city": "Miamisburg",
            "state": "OH",
            "country_code": "US",
            "postal_code": "453423908",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https:/khnarr.ketthealth.com/FHIR-PROD/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "4000 Miamisburg Centerville Rd Ste 450",
            "city": "Miamisburg",
            "state": "OH",
            "country_code": "US",
            "postal_code": "453423908",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.