Individual provider Active NPI

Don D Duff, FNP-C

  • Nurse Practitioner
  • Chattanooga, TN
National Provider Identifier
1588606636
Registry record updated Jan 19, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
20159 Issued in TN
Practice address
1736 Gunbarrel Rd
Chattanooga, TN 37421-3127
Phone
(423) 756-6623
Fax
(423) 648-8084
NPI assigned
Jun 12, 2006
Last updated
Jan 19, 2017By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 19, 2017

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 20159 TN Primary
Chiropractor 111N00000X DC0000000723 TN

Addresses

Primary practice location

1736 Gunbarrel Rd
Chattanooga, TN 37421-3127

Mailing address

1736 Gunbarrel Rd
Chattanooga, TN 37421-3127
Phone (423) 756-6623

Other identifiers 1

IdentifierTypeStateIssuer
0103035OtherTNBCBS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20070119000487 TN Practitioner - Family PracticePractitioner - Chiropractic 2860389541 Receives reassigned benefits from 1 practitioner
Practice locations: Ooltewah, TN
I20160504000455 TN Practitioner - Nurse Practitioner 2860389541 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Erlanger HealthGroup PAC ID 1153780226, 504 clinicians

Practice addresses (Care Compare)

979 E 3Rd St
Suite C430
Chattanooga, TN 37403-3358
Phone (423) 624-6584

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.78 of 100Reported as apm
Quality
80.38
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
DC0000000723TNMDChiropractor
723TNMDPsychiatry Physician
20159TNMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
TLC II Primary Care PLLC CurrentSince Sep 27, 2015 Accepting new patients
Erlanger Health CurrentSince Sep 11, 2023 Accepting new patients
Erlanger Health CurrentSince Sep 11, 2023 Accepting new patients
Collegedale Physical Medicine, PLLC CurrentSince Sep 1, 2022 Accepting new patients
Rhea Medical Center Current Accepting new patients
Rhea Medical Center CurrentSince Jul 1, 2025 Accepting new patients
Chattanooga Hamilton County Hospital Authority Past Accepting new patients
Don D Duff DC Dba Collegedale Chiropractic Associates Chiropractor PastSince Jan 1, 1990 Accepting new patients
Chattanooga Hamilton County Hospital Authority Past Accepting new patients
Don D Duff DC Dba Collegedale Chiropractic Chiropractor PastSince Jan 1, 1990 Accepting new patients
Chattanooga Hamilton County Hospital Authority Past Accepting new patients

Locations

1809 Gunbarrel Rd
Ste 101
Chattanooga, TN 37421
Phone (423) 893-9020

979 E 3rd St
Ste C225
Chattanooga, TN 37403
Phone (423) 778-5995

979 E 3rd St
Ste C430
Chattanooga, TN 37403
Phone (423) 624-6584

9400 Rhea County Hwy
Dayton, TN 37321
Phone (423) 285-5220

9457 David Smith Ln
Ste 103
Ooltewah, TN 37363
Phone (423) 238-4118

2600 Taft Hwy
Ste 100
Signal Mtn, TN 37377
Phone (423) 778-9434

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

Organizations & group practices 11

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.

Hospital & facility affiliations 1

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": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1484784000000",
    "number": "1588606636",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1736 GUNBARREL RD",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374213127",
            "telephone_number": "423-756-6623",
            "fax_number": "423-648-8084"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1736 GUNBARREL RD",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374213127",
            "telephone_number": "423-756-6623",
            "fax_number": "423-648-8084"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFF",
        "first_name": "DON",
        "middle_name": "D",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-12",
        "last_updated": "2017-01-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TN",
            "license": "20159",
            "primary": true
        },
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "TN",
            "license": "DC0000000723",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "0103035",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chattanooga, TN

Sources for this page

Verify at the official NPI Registry.