Active NPI
Madeline Greil, MD
- Neurological Surgery Physician
- Salt Lake City, UT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurological Surgery Physician
- License
- 13877161-1205
- Practice address
- 175 N Medical Dr RM 5323
Salt Lake City, UT 84112-1103 - Phone
- (801) 581-2121
- NPI assigned
- Apr 19, 2017
- Last updated
- Jul 8, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neurological Surgery Physician | 207T00000X | 13877161-1205 | UT | Primary |
Addresses
Primary practice location
175 N Medical Dr RM 5323
Salt Lake City, UT 84112-1103
Mailing address
175 N Medical Dr RM 5323
Salt Lake City, UT 84112-1103
Phone (801) 581-2121
Other practice location 1
325 9th Ave
Campus Box 359924
Seattle, WA 98104-2420
Phone (206) 744-9316
Other practice location 2
3584 W 9000 S Ste 209
West Jordan, UT 84088-5711
Phone (385) 234-4787
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mgreil693918@direct.med.utah.edu | Direct | University of Utah |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in UT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Neurosurgery
- Education
- Clvlnd Clinic Lerner College of Med of Case WSTN RSV University, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
50 N Medical Dr
Salt Lake City, UT 84132-0100
Phone (801) 581-2121
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Spinal fusion | 11 |
| Laminectomy or laminotomy (partial removal of spine bones) | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Catholic Health Initiatives Colorado | Current | Accepting new patients | |
| University of Utah Surgical Services | Neurological Surgery | Current | Accepting new patients |
| University of Utah Surgical Services | Current | Accepting new patients | |
| University of Utah Surgical Services | Neurological Surgery | Current | Accepting new patients |
| University of Utah Surgical Services | Past | Accepting new patients |
Locations
9100 E Mineral Cir
Centennial, CO 80112
Phone (303) 561-5193
82 S 1100 E
Ste 103
Salt Lake Cty, UT 84102
Phone (801) 505-5370
175 N Medical Dr
Slc, UT 84112
Phone (801) 581-6908
50 N Medical Dr
Slc, UT 84132
Phone (801) 581-2292
3584 W 9000 S
Ste 209
West Jordan, UT 84088
Phone (801) 676-3776
Networks
- UT PPO D-SNP
- UT PPO
Interoperability endpoints
- mgreil693918@direct.med.utah.edu
Organizations & group practices 6
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.
-
- General Practice Physician
- Salt Lake City, UT
- NPI 1174928139
-
dba Behavioral Health West Valley
- Prescribing (Medical) Psychologist
- West Valley City, UT
- NPI 1942903562
-
dba GTWJ Gastro W Jor
- Gastroenterology Physician
- West Jordan, UT
- NPI 1063114312
-
dba University of Utah Department of Neurosurgery
- Neurological Surgery Physician
- Salt Lake City, UT
- NPI 1073915609
-
dba University of Utah Department of Neurosurgery-Clinical Neuroscience Ce
- Neurological Surgery Physician
- Salt Lake City, UT
- NPI 1184028243
-
dba Ortho Spine Surgeons
- Orthopaedic Surgery of the Spine Physician
- Salt Lake City, UT
- NPI 1770987471
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Holy Cross Hospital - Jordan Valley
- General Acute Care Hospital
- West Jordan, UT
- NPI 1801591391
-
dba Huntsman Mental Health Institute
- General Acute Care Hospital
- Salt Lake City, UT
- NPI 1487734976
-
dba University Health Care Hospitals and Clinics
- General Acute Care Hospital
- Salt Lake City, UT
- NPI 1588656870
-
dba University Health Care
- General Acute Care Hospital
- Salt Lake City, UT
- NPI 1699889576
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1492560000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751932800000",
"number": "1245764984",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "175 N MEDICAL DR RM 5323",
"city": "SALT LAKE CITY",
"state": "UT",
"postal_code": "841121103",
"telephone_number": "801-581-2121"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "175 N MEDICAL DR RM 5323",
"city": "SALT LAKE CITY",
"state": "UT",
"postal_code": "841121103",
"telephone_number": "801-581-2121"
}
],
"practiceLocations": [
{
"address_1": "325 9th Ave",
"address_2": "Campus Box 359924",
"address_purpose": "LOCATION",
"city": "Seattle",
"state": "WA",
"postal_code": "981042420",
"country_code": "US",
"telephone_number": "206-744-9316",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3584 W 9000 S Ste 209",
"address_purpose": "LOCATION",
"city": "West Jordan",
"state": "UT",
"postal_code": "840885711",
"country_code": "US",
"telephone_number": "385-234-4787",
"fax_number": "801-984-6657",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GREIL",
"first_name": "MADELINE",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2017-04-19",
"last_updated": "2025-07-08",
"certification_date": "2025-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "207T00000X",
"taxonomy_group": "",
"desc": "Neurological Surgery",
"state": "UT",
"license": "13877161-1205",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mgreil693918@direct.med.utah.edu",
"affiliation": "Y",
"affiliationName": "University of Utah",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CDA/CCD/TXT",
"address_1": "50 N Medical Dr",
"city": "Salt Lake City",
"state": "UT",
"country_code": "US",
"postal_code": "841320001",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Salt Lake City, UT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2025; 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.