Active NPI
Jack Ewell Greer, M.D.
- Otolaryngology Physician
- Chattanooga, TN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Otolaryngology Physician
- License
- MD0000026020
- Practice address
- 901 Riverfront Parkway
Suite 300
Chattanooga, TN 37402-2193 - Phone
- (423) 698-8981
- Fax
- (423) 697-7109
- NPI assigned
- Jul 14, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Otolaryngology Physician | 207Y00000X | 047438 | GA | |
| Otolaryngology Physician | 207Y00000X | MD0000026020 | TN | Primary |
Addresses
Primary practice location
901 Riverfront Parkway
Suite 300
Chattanooga, TN 37402-2193
Mailing address
1604 Gunbarrel Rd
Chattanooga, TN 37421-3125
Other practice location 1
7480 Ziegler Rd
Chattanooga, TN 37421-4943
Phone (423) 698-8981
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1040185 | Other | TN | UNITED HLTHCARE |
| 3126040 | Other | TN | BC/BS TN |
| 00815328A | Medicaid | GA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Otolaryngology
- Education
- University of Tennessee, HSC, College of Medicine, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
901 Riverfront Pkwy
Suite 300
Chattanooga, TN 37402-2198
Phone (423) 648-2395
Hospital & facility affiliations
- Memorial Healthcare System, Inc
- Erlanger Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Spinal fusion | 1-10 |
| 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 |
|---|---|---|---|
| 047438 | GA | MD | Otolaryngology Physician |
| MD0000026020 | TN | MD | Otolaryngology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Diagnostic Radiology Consultants PA | Current | Accepting new patients |
Locations
1604 Gunbarrel Rd
Chattanooga, TN 37421
Phone (423) 648-2395
901 Riverfront Pkwy
Ste 300
Chattanooga, TN 37402
Phone (423) 698-8981
620 E 11th St
Chattanooga, TN 37403
Phone (423) 481-9760
7480 Ziegler Rd
Ste 130
Chattanooga, TN 37421
Phone (423) 648-2395
975 E 3rd St
Chattanooga, TN 37403
Phone (423) 266-1499
2525 Desales Ave
Chattanooga, TN 37404
Phone (423) 495-2620
910 Blackford St
Chattanooga, TN 37403
Phone (423) 778-4044
924 Spring Creek Rd
East Ridge, TN 37412
Phone (423) 629-7688
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 and National Provider Directory roles.
-
- Diagnostic Radiology Physician
- Chattanooga, TN
- NPI 1427071430
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Chattanooga, TN
- NPI 1861194086
-
- General Acute Care Hospital
- Hixson, TN
- NPI 1083778633
-
- General Acute Care Hospital
- Chattanooga, TN
- NPI 1255428736
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1121299200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750809600000",
"number": "1609875467",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1604 GUNBARREL RD",
"city": "CHATTANOOGA",
"state": "TN",
"postal_code": "374213125"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "901 RIVERFRONT PARKWAY",
"address_2": "SUITE 300",
"city": "CHATTANOOGA",
"state": "TN",
"postal_code": "374022193",
"telephone_number": "423-698-8981",
"fax_number": "423-697-7109"
}
],
"practiceLocations": [
{
"address_1": "7480 Ziegler Rd",
"address_purpose": "LOCATION",
"city": "Chattanooga",
"state": "TN",
"postal_code": "374214943",
"country_code": "US",
"telephone_number": "423-698-8981",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GREER",
"first_name": "JACK",
"middle_name": "EWELL",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-14",
"last_updated": "2025-06-25",
"certification_date": "2025-06-25",
"status": "A"
},
"taxonomies": [
{
"code": "207Y00000X",
"taxonomy_group": "",
"desc": "Otolaryngology",
"state": "GA",
"license": "047438",
"primary": false
},
{
"code": "207Y00000X",
"taxonomy_group": "",
"desc": "Otolaryngology",
"state": "TN",
"license": "MD0000026020",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "UNITED HLTHCARE",
"identifier": "1040185",
"state": "TN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BC/BS TN",
"identifier": "3126040",
"state": "TN"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00815328A",
"state": "GA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Chattanooga, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; 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.