Active NPI
Monte John Leidenix, M.D. F.A.C.S.
- Ophthalmology Physician
- Bismarck, ND
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- 7678
- Practice address
- 620 N 9TH St
Bismarck, ND 58501-4112 - Phone
- (701) 255-4673
- Fax
- (701) 255-4934
- NPI assigned
- Oct 11, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | 7678 | ND | Primary |
Addresses
Primary practice location
620 N 9TH St
Bismarck, ND 58501-4112
Mailing address
620 N 9TH St
Bismarck, ND 58501-4112
Phone (701) 255-4673
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 10199 | Medicaid | ND | |
| 7780550 | Medicaid | SD | |
| 10354900 | Medicaid | MT | |
| 14737 | Other | ND | BLUE SHIELD PROVIDER # |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MT, ND, SD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- University of North Dakota School of Medicine, 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1401 10TH Ave W
Mobridge, SD 57601-1106
Phone (605) 845-3692
202 Prospect Dr
Glendive, MT 59330-1943
Phone (406) 345-3306
620 N 9TH St
Bismarck, ND 58501-4112
Phone (701) 255-4673
Hospital & facility affiliations
- Glendive Medical Center
- CHI St Alexius Health Dickinson
- West River Regional Medical Center
- Mobridge Regional Hospital - Cah
- SMP Health St Aloisius
Merit-based Incentive Payment System (MIPS)
- Final score
- 82.54 of 100
- Quality
- 98.87
- Improvement activities
- 40
- Cost
- 43.29
Merit-based Incentive Payment System (MIPS)
- Final score
- 60.65 of 100
- Quality
- 51.66
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 30 of 100
- Quality
- 0
- Promoting interoperability
- 100
- Improvement activities
- 0
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 1018 |
| Melanoma (skin cancer) excision | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 7678 | ND | MD | Ophthalmology Physician |
| 4264 | SD | MD | Urology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Eye Clinic of ND | Ophthalmology | Current | Accepting new patients |
| St Aloisius Hospital Inc | Current | Accepting new patients | |
| St Aloisius Hospital Inc | Current | Accepting new patients | |
| Glendive Medical Center, Inc | Current | Accepting new patients | |
| Frances Mahon Deaconess Hospital | Past | Accepting new patients |
Locations
202 Prospect Dr
Glendive, MT 59330
Phone (406) 345-3306
620 N 9th St
Bismarck, ND 58501
Phone (701) 222-2020
1770 Market Dr
Ste C
Dickinson, ND 58601
Phone (701) 360-7510
33 9th St W
Dickinson, ND 58601
Phone (701) 483-4858
325 Brewster St E
Harvey, ND 58341
Phone (701) 324-4651
1401 10th Ave W
Mobridge, SD 57601
Phone (605) 845-3692
Interoperability endpoints
- mleidenix@gmc.cernerdirect.com
- mleidenix@eyesofnorthdakota.intellechartdirect.net
Organizations & group practices 5
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.
-
- Critical Access Hospital
- Harvey, ND
- NPI 1457477218
-
- Medicare Defined Swing Bed Hospital Unit
- Harvey, ND
- NPI 1639296007
-
- Critical Access Hospital
- Glendive, MT
- NPI 1376552893
-
- Critical Access Hospital
- Glasgow, MT
- NPI 1689685323
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Harvey, ND
- NPI 1457477218
-
- Critical Access Hospital
- Dickinson, ND
- NPI 1992947956
-
- Critical Access Hospital
- Hettinger, ND
- NPI 1588763247
-
- Medicare Defined Swing Bed Hospital Unit
- Glendive, MT
- NPI 1073523635
-
- Critical Access Hospital
- Glendive, MT
- NPI 1376552893
-
- Critical Access Hospital
- Mobridge, SD
- NPI 1871554311
-
- Critical Access Hospital
- Mobridge, SD
- NPI 1902948896
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1128988800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784160000000",
"number": "1104814425",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "620 N 9TH ST",
"city": "BISMARCK",
"state": "ND",
"postal_code": "585014112",
"telephone_number": "701-255-4673",
"fax_number": "701-255-4934"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "620 N 9TH ST",
"city": "BISMARCK",
"state": "ND",
"postal_code": "585014112",
"telephone_number": "701-255-4673",
"fax_number": "701-255-4934"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LEIDENIX",
"first_name": "MONTE",
"middle_name": "JOHN",
"name_prefix": "Dr.",
"credential": "M.D. F.A.C.S.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-11",
"last_updated": "2026-07-16",
"certification_date": "2026-07-16",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "ND",
"license": "7678",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "10199",
"state": "ND"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "7780550",
"state": "SD"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "10354900",
"state": "MT"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD PROVIDER #",
"identifier": "14737",
"state": "ND"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Bismarck, ND
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 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.