Active NPI
Gayle Hamann, DO
- General Practice Physician
- Morristown, TN
National Provider Identifier
1588807689
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- DO0000003439
- Practice address
- 146 Cold Creek Dr
Morristown, TN 37814-2892 - Phone
- (423) 616-2227
- Fax
- (877) 900-5265
- NPI assigned
- Apr 20, 2009
- Reactivated
- Jan 29, 2024
- Last updated
- Apr 11, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | OP60189887 | WA | |
| General Practice Physician | 208D00000X | DO0000003439 | TN | Primary |
Addresses
Primary practice location
146 Cold Creek Dr
Morristown, TN 37814-2892
Mailing address
146 Cold Creek Dr
Morristown, TN 37814-2892
Phone (423) 616-2227
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Jun 24, 2024 through Jun 24, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3439 | TN | MD | Health Service Psychologist |
| DO0000003439 | TN | MD | General Practice Physician |
| OP60189887 | WA | MD | General Practice Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cardinal Osteopathic Wellness Center | General Practice | Current | Accepting new patients |
Locations
146 Cold Creek Dr
Morristown, TN 37814
Phone (423) 616-2227
Organizations & group practices 1
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
- Morristown, TN
- NPI 1093500886
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1240185600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775865600000",
"number": "1588807689",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "146 COLD CREEK DR",
"city": "MORRISTOWN",
"state": "TN",
"postal_code": "378142892",
"telephone_number": "423-616-2227",
"fax_number": "877-900-5265"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "146 COLD CREEK DR",
"city": "MORRISTOWN",
"state": "TN",
"postal_code": "378142892",
"telephone_number": "423-616-2227",
"fax_number": "877-900-5265"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAMANN",
"first_name": "GAYLE",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2009-04-20",
"last_updated": "2026-04-11",
"certification_date": "2026-04-11",
"deactivation_date": "2024-01-18",
"reactivation_date": "2024-01-29",
"status": "A"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "WA",
"license": "OP60189887",
"primary": false
},
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "TN",
"license": "DO0000003439",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Morristown, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.