Individual provider Active NPI

Mark Francis Ozog, MD

  • Ophthalmology Physician
  • Great Falls, MT
National Provider Identifier
1124106786
Registry record updated Mar 22, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
7816 Issued in MT
Practice address
1417 9TH St S Ste 100
Great Falls, MT 59405-4509
Phone
(406) 453-1613
Fax
(406) 453-3717
NPI assigned
Nov 1, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 22, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 7816 MT Primary
Ophthalmology Physician 207W00000X 29408 CO

Addresses

Primary practice location

1417 9TH St S Ste 100
Great Falls, MT 59405-4509

Mailing address

1417 9TH St So
#100
Great Falls, MT 59405-4503
Phone (406) 453-1613

Other identifiers 3

IdentifierTypeStateIssuer
180023007OtherMTRAILROAD MEDICARE
000009731OtherMTBLUE CROSS BLUE SHIELD
0014053MedicaidMT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT
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 1

Enrollment IDStateProvider typePAC IDDetails
I20100126000867 MT Practitioner - Ophthalmology 6002958287 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Other, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

1417 9TH St S
Suite 100
Great Falls, MT 59405-4509
Phone (406) 453-1613

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.62 of 100Reported as individual
Quality
94.56
Improvement activities
40
Cost
99.34

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery78

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
29408COMDOphthalmology Physician
7816MTMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mark F. Ozog M.D. P.C. Ophthalmology CurrentSince Apr 27, 2025 Accepting new patients
Mark F. Ozog M.D. P.C. Ophthalmology CurrentSince Sep 1, 1995 Accepting new patients

Locations

1417 9th St S
Ste 100
Great Falls, MT 59405
Phone (406) 453-1613

Organizations & group practices 2

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1679443200000",
    "number": "1124106786",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1417 9TH ST SO",
            "address_2": "#100",
            "city": "GREAT FALLS",
            "state": "MT",
            "postal_code": "594054503",
            "telephone_number": "406-453-1613",
            "fax_number": "406-453-3717"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1417 9TH ST S STE 100",
            "city": "GREAT FALLS",
            "state": "MT",
            "postal_code": "594054509",
            "telephone_number": "406-453-1613",
            "fax_number": "406-453-3717"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OZOG",
        "first_name": "MARK",
        "middle_name": "FRANCIS",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2023-03-22",
        "certification_date": "2023-03-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MT",
            "license": "7816",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CO",
            "license": "29408",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "180023007",
            "state": "MT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "000009731",
            "state": "MT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0014053",
            "state": "MT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Great Falls, MT

Sources for this page

Verify at the official NPI Registry.