Individual provider Active NPI

David O Ranz, MD

  • Ophthalmology Physician
  • Nashville, TN
National Provider Identifier
1780689141
Registry record updated Feb 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
17027 Issued in TN
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

Updated by the provider on Feb 5, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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

TypeEndpointUseAffiliation
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040921000839 TN Practitioner - Ophthalmology 6103893060 Reassigns benefits to 1 organization

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
Vanderbilt University Medical CenterGroup PAC ID 5092023416, 3,510 clinicians

Practice addresses (Care Compare)

1301 22ND Ave S
Nashville, TN 37232-5100
Phone (615) 322-3000

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery114

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD017027TNMDSpecialist
17027TNMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Vanderbilt University Medical Center Emergency Medicine CurrentSince Jan 1, 2022 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

  • Direct secure messaging: 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.

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

Verify at the official NPI Registry.