David O. Ranz, MD
Ophthalmology Physician · Nashville, TN
David O. Ranz, MD is an ophthalmology physician with a practice address in Nashville, Tennessee, and NPI 1780689141, issued on Jun 14, 2005. Check the license (Tennessee 17027, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David O. Ranz
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 17027 TN
MD017027 TN
Self-reported in NPPES; status is on the state search - Practice location
- 3601 The Vanderbilt Clinic, Nashville, TN 37232
- Phone
- (615) 322-3000
- Enumerated
- Jun 14, 2005
- Record last updated
- Feb 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20040921000839); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1978
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 366 in Tennessee → Look up another NPI →
Also registered at 3601 The Vanderbilt Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristie AamodtPediatric Endocrinology Physician1780115931
- Hibo Abdi, APRNGerontology Nurse Practitioner1336761758
- Hodan Abdi, NPFamily Nurse Practitioner1710383922
- Cecilia Abello, PA-CPhysician Assistant1760336101
- Ahad Abid, MDInternal Medicine Physician1316500176
- Yara Aboshady, MDObstetrics & Gynecology Physician1558998971
Verify David O. Ranz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 17027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,106 Medicare Part D claims for 274 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Latanoprost313 claims
- Dorzolamide-Timolol132 claims
- Timolol Maleate113 claims
- Lumigan79 claims
- Prednisolone Acetate58 claims
- Simbrinza46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
David O. Ranz among 366 ophthalmology physician records in Tennessee
David O. Ranz, MD is one of 366 ophthalmology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1978 · median 2002 among the 247 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Tennessee
There are 366 ophthalmology physician records in Tennessee.
All 366 in Tennessee → Every provider in Nashville → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Bond, M.D.Nashville, TN 372321790757078
- Milam Brantley, M.D.Nashville, TN 372321215931928
- Edward Chaum, MD PHDNashville, TN 372321023075868
- Edward Cherney, M.D.Nashville, TN 372321871574764
- Amy Chomsky, MDNashville, TN 372321457450884
- Robert Estes, MDNashville, TN 372321891723920
- James Felch, MDNashville, TN 372321356458384
- Karla Johns, MDNashville, TN 372321194828764
Common questions
What is David O. Ranz, MD's NPI number?
David O. Ranz, MD's National Provider Identifier (NPI) is 1780689141, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David O. Ranz, MD located?
The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 322-3000. Providers update this record themselves, so call before visiting.
How can I verify David O. Ranz, MD's license?
NPPES lists Tennessee license number 17027, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David O. Ranz, MD prescribe under Medicare Part D?
In 2024, David O. Ranz, MD had 1,106 Medicare Part D claims for 274 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is David O. Ranz, MD's MIPS final score?
The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.