Individual provider Active NPI

Brian James Duff, MD

  • Family Medicine Physician
  • Nixa, MO
National Provider Identifier
1447411145
Registry record updated May 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
2011011353 Issued in MO
Practice address
501 N Old Wilderness Rd
Nixa, MO 65714-9490
Phone
(417) 269-2227
Fax
(417) 269-2235
NPI assigned
Jun 24, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 12, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 2011011353 MO Primary
Family Medicine Physician 207Q00000X TRN12304 FL

Addresses

Primary practice location

501 N Old Wilderness Rd
Nixa, MO 65714-9490

Mailing address

PO Box 4046
Springfield, MO 65808-4046
Phone (417) 269-2227

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
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
I20110923000332 MO Practitioner - Family Practice 6507037512 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lester E Cox Medical CentersGroup PAC ID 5799787784, 240 clinicians
Cherry Health Center, LLCGroup PAC ID 1355317033, 97 clinicians

Practice addresses (Care Compare)

501 N Old Wilderness Rd
Coxhealth Nixa
Nixa, MO 65714-9490
Phone (417) 269-2227

607 W Battlefield St
Springfield, MO 65807-4123
Phone (417) 869-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
85.78 of 100Reported as group
Quality
74.39
Promoting interoperability
100
Improvement activities
40
Cost
78.21

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
TRN12304FLMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lester E Cox Medical Centers CurrentSince Jul 29, 2013 Accepting new patients
Lester E Cox Medical Centers Family Medicine CurrentSince Jul 20, 2011 Accepting new patients
Lester E Cox Medical Centers Family Medicine CurrentSince Jul 20, 2011 Accepting new patients
Lester E. Cox Medical Centers Family Medicine Current Accepting new patients
Lester E Cox Medical Centers CurrentSince Jul 29, 2013 Accepting new patients
Lester E. Cox Medical Centers Past Accepting new patients
Ozarks Medical Center Family Medicine Past Accepting new patients

Locations

501 N Old Wilderness Rd
Nixa, MO 65714
Phone (417) 269-2150

411 N McCroskey St
Nixa, MO 65714
Phone (417) 269-2227

820 S Illinois Ave
Republic, MO 65738
Phone (417) 269-1910

3801 S National Ave
Ste 1122
Springfield, MO 65807

1000 E Primrose St
Ste 360
Springfield, MO 65807
Phone (417) 269-4037

3805 S Kansas Expy
Ste A
Springfield, MO 65807
Phone (417) 269-6896

Interoperability endpoints

  • Direct secure messaging: brian.duff@cernerdirect.coxhealth.com

Organizations & group practices 8

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 7

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": "1214265600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747008000000",
    "number": "1447411145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4046",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658084046",
            "telephone_number": "417-269-2227",
            "fax_number": "417-269-2235"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 N OLD WILDERNESS RD",
            "city": "NIXA",
            "state": "MO",
            "postal_code": "657149490",
            "telephone_number": "417-269-2227",
            "fax_number": "417-269-2235"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFF",
        "first_name": "BRIAN",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-24",
        "last_updated": "2025-05-12",
        "certification_date": "2025-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "2011011353",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "FL",
            "license": "TRN12304",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Nixa, MO

Sources for this page

Verify at the official NPI Registry.