Karla J. Johns, MD
Ophthalmology Physician · Nashville, TN
Karla J. Johns, MD is an ophthalmology physician with a practice address in Nashville, Tennessee, and NPI 1194828764, issued on Sep 7, 2006. Check the license (Tennessee MD0000015515, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karla J. Johns
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- MD0000015515 TN
MD15515 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
- Sep 7, 2006
- Record last updated
- Mar 21, 2022
- 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.
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Verify Karla J. Johns in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD0000015515Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average ophthalmology physician in 2024
407 Medicare Part D claims for 93 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Latanoprost150 claims
- Restasis48 claims
- Dorzolamide-Timolol36 claims
- Timolol Maleate25 claims
- Tobramycin-Dexamethasone22 claims
- Moxifloxacin17 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).
Karla J. Johns among 366 ophthalmology physician records in Tennessee
Karla J. Johns, 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 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2022 · 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
- Karen Joos, MDNashville, TN 372321447359872
Common questions
What is Karla J. Johns, MD's NPI number?
Karla J. Johns, MD's National Provider Identifier (NPI) is 1194828764, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karla J. Johns, 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 Karla J. Johns, MD's license?
NPPES lists Tennessee license number MD0000015515, 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 Karla J. Johns, MD prescribe under Medicare Part D?
In 2024, Karla J. Johns, MD had 407 Medicare Part D claims for 93 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Karla J. Johns, 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.