Karla Johns, MD
NPI 1194828764 · Ophthalmology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karla Johns, MD is a Ophthalmology Physician provider in Nashville, TN (NPI 1194828764).
Provider details
- NPI number
- 1194828764
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD15515 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
359 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 213 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $62 |
| Exam of Visual Field With Extended Testing92083 | 27 | $25 |
| Imaging of Optic Nerve92133 | 23 | $20 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $127 |
| Exam to Measure Eye Deviation and Range of Motion92060 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 150 | 32 |
| Cyclosporinebrand: Restasis | 48 | 15 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 36 | 11 |
| Timolol Maleate | 25 | — |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 22 | 14 |
| Moxifloxacin Hclbrand: Moxifloxacin | 17 | — |
| Cyclosporine | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-07
- Last updated
- 2022-03-21
- Certified
- 2022-03-21
Frequently asked questions
- What is Karla Johns's NPI number?
- Karla Johns's National Provider Identifier (NPI) is 1194828764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karla Johns's specialty?
- Karla Johns is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Karla Johns located?
- Karla Johns's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0001.
- What is Karla Johns's phone number?
- The practice phone number listed in the NPPES registry for Karla Johns is (615) 322-3000.
- Does Karla Johns accept Medicare?
- Karla Johns is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karla Johns's NPI active?
- Yes — Karla Johns's NPI (1194828764) is active in the NPPES registry as of the last update on 2022-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.