Active NPI
Errol O'Neil Singh, M.D.
- Urology Physician
- Columbus, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urology Physician
- License
- 35059949
- 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, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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, MN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 5
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
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
- Central Peninsula General Hospital
- Mercy Regional Medical Center
- Santa Rosa Medical Center
- HCA-Healthone Dba Swedish Medical Center
- Longs Peak Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Prostate resection | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 000000 | IA | MD | Urology Physician |
| MC-1749 | ID | MD | Urology Physician |
| 35059949 | OH | MD | Urology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Poudre Valley Medical Group, LLC | Current | Accepting new patients | |
| Seton Family of Doctors | Current | Accepting new patients | |
| Catholic Health Initiatives Colorado | Current | Accepting new patients | |
| Poudre Valley Medical Group, LLC | Urology | Current | Accepting new patients |
| Santa Rosa Hma Physician Management, LLC | Current | Accepting new patients | |
| Seton Family of Doctors | Current | Accepting new patients | |
| Kettering Independent Medical Group Inc | Current | Accepting new patients | |
| Seton Family of Doctors | Current | Accepting new patients | |
| Catholic Health Initiatives Colorado | Current | Accepting new patients | |
| Catholic Health Initiatives Colorado | Current | 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
- eos@cu-oh.direct.office.nextgen.com
- errol.singh.2@4692.direct.athenahealth.com
- esingh2835744@wm.providencedirect.org
- esingh634394@direct.peacehealth.org
- 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.
-
dba Ctsa Cardiac Thor Surg
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Colorado Springs, CO
- NPI 1356783351
-
dba UCHealth Medical Group
- General Practice Physician
- Loveland, CO
- NPI 1225356868
-
- Orthopaedic Surgery Physician
- Miamisburg, OH
- NPI 1629387865
-
- Family Medicine Physician
- Milton, FL
- NPI 1447365366
-
- Neurological Surgery Physician
- Austin, TX
- NPI 1588997233
-
dba Critical Access Hospital
- Critical Access Hospital
- Onamia, MN
- NPI 1548212699
-
dba SAN Radiation Oncology
- Radiation Oncology Physician
- Westminster, CO
- NPI 1831908219
-
dba CommonSpirit Orthopedics Longmont
- Orthopaedic Surgery Physician
- Longmont, CO
- NPI 1891675294
-
dba UCHealth Medical Group
- General Practice Physician
- Loveland, CO
- NPI 1366763260
Urology
-
dba Ascension Texas Imaging
- Radiology Clinic/Center
- Austin, TX
- NPI 1275290694
-
- Neurological Surgery Physician
- Kyle, TX
- NPI 1730412388
-
dba NSSH Neurosurg Sah
- Neurological Surgery Physician
- Lakewood, CO
- NPI 1205846664
Hospital & facility affiliations 26
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Mercy Hospital
- General Acute Care Hospital
- Durango, CO
- NPI 1083611644
-
dba MMC DUC Diagnostic Imaging
- General Acute Care Hospital
- Durango, CO
- NPI 1588204010
-
dba Mercy Imaging Center
- General Acute Care Hospital
- Durango, CO
- NPI 1679113104
-
- General Acute Care Hospital
- Aztec, NM
- NPI 1770123382
-
dba Central Peninsula Pain Management
- Pain Medicine Physician
- Soldotna, AK
- NPI 1093043234
Hospital
-
dba Central Peninsula Pediatrics
- Rural Acute Care Hospital
- Soldotna, AK
- NPI 1225263445
-
dba Central Peninsula Family Practice Fireweed
- Rural Acute Care Hospital
- Soldotna, AK
- NPI 1831404805
-
dba Central Peninsula Family & Pediatrics - Soldotna
- Rural Acute Care Hospital
- Soldotna, AK
- NPI 1295059921
-
dba Central Peninsula Women's Health
- Rural Acute Care Hospital
- Soldotna, AK
- NPI 1598063539
-
dba Central Peninsula Surgical Associates
- Rural Acute Care Hospital
- Soldotna, AK
- NPI 1598063927
-
dba Central Peninsula Orthopedics
- Rural Acute Care Hospital
- Soldotna, AK
- NPI 1639494263
-
dba Central Peninsula Family Practice
- Rural Acute Care Hospital
- Kenai, AK
- NPI 1770723967
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 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.