Active NPI
David O Ranz, MD
- Ophthalmology Physician
- Nashville, TN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- 17027
- Practice address
- 3601 The Vanderbilt Clinic
Nashville, TN 37232-1573 - Phone
- (615) 322-3000
- NPI assigned
- Jun 14, 2005
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | 17027 | TN | Primary |
| Specialist | 174400000X | MD017027 | TN | |
| Emergency Medicine Physician | 207P00000X | 17027 | TN |
Addresses
Primary practice location
3601 The Vanderbilt Clinic
Nashville, TN 37232-1573
Mailing address
3841 Green Hills Village Dr Ste 200
Nashville, TN 37215-2691
Other practice location 1
171 Heritage Park Dr
Murfreesboro, TN 37129-1573
Phone (615) 896-2551
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| CONNECT URL | https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service | Other | Bluemark LLC / Office Ally |
| Direct Messaging Address | dranz686872@direct.vumc.org | Direct |
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
- Ophthalmology
- Education
- Rush Medical College of Rush University, 1978
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1301 22ND Ave S
Nashville, TN 37232-5100
Phone (615) 322-3000
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 114 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD017027 | TN | MD | Specialist |
| 17027 | TN | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Vanderbilt University Medical Center | Emergency Medicine | Current | Accepting new patients |
| Vanderbilt University | Past | Accepting new patients |
Locations
Dept A T 40379
Atlanta, GA 31192
171 Heritage Park Dr
Murfreesboro, TN 37129
Phone (615) 896-2551
3841 Green Hills Village Dr
Ste 200
Nashville, TN 37215
Phone (615) 322-6842
719 Thompson Ln
Nashville, TN 37204
Phone (615) 322-6485
719 Thompson Ln
Ste 30330
Nashville, TN 37204
Phone (615) 936-3871
Interoperability endpoints
- dranz686872@direct.vumc.org
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.
-
- Internal Medicine Physician
- Nashville, TN
- NPI 1104202761
Emergency Medicine
-
- Clinical Social Worker
- Nashville, TN
- NPI 1285659706
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1118707200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770249600000",
"number": "1780689141",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3841 GREEN HILLS VILLAGE DR STE 200",
"city": "NASHVILLE",
"state": "TN",
"postal_code": "372152691",
"fax_number": "615-322-5048"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3601 THE VANDERBILT CLINIC",
"city": "NASHVILLE",
"state": "TN",
"postal_code": "372321573",
"telephone_number": "615-322-3000"
}
],
"practiceLocations": [
{
"address_1": "171 Heritage Park Dr",
"address_purpose": "LOCATION",
"city": "Murfreesboro",
"state": "TN",
"postal_code": "371291573",
"country_code": "US",
"telephone_number": "615-896-2551",
"fax_number": "615-895-7787",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "RANZ",
"first_name": "DAVID",
"middle_name": "O",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2005-06-14",
"last_updated": "2026-02-05",
"certification_date": "2026-02-05",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "TN",
"license": "17027",
"primary": true
},
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "TN",
"license": "MD017027",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "TN",
"license": "17027",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "CONNECT",
"endpointTypeDescription": "CONNECT URL",
"endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
"affiliation": "Y",
"endpointDescription": "2.16.840.1.113883.3.2019.3",
"affiliationName": "Bluemark LLC / Office Ally",
"use": "OTHER",
"useDescription": "Other",
"useOtherDescription": "CMS esMD eMDR",
"address_1": "3601 The Vanderbilt Clinic",
"city": "Nashville",
"state": "TN",
"country_code": "US",
"postal_code": "372321573",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "dranz686872@direct.vumc.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "Health Information Service Provider",
"address_1": "3601 The Vanderbilt Clinic",
"city": "Nashville",
"state": "TN",
"country_code": "US",
"postal_code": "372321573",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Nashville, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 2026; 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.