John Varga, M.D.
NPI 1083623011 · Internal Medicine Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Varga, M.D. is a Internal Medicine Physician provider in Louisville, KY (NPI 1083623011).
Provider details
- NPI number
- 1083623011
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25919 (KY)
Specialties & taxonomies
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
466 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $84 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 73 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $120 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 39 | $64 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 37 | $13 |
| X-Ray of Chest, 2 Views71046 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 105 | 24 |
| Levothyroxine Sodium | 79 | 18 |
| Rosuvastatin Calcium | 57 | 17 |
| Zolpidem Tartrate | 55 | 17 |
| Losartan Potassium | 53 | 13 |
| Bupropion Hclbrand: Bupropion Xl | 51 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2010-09-08
Frequently asked questions
- What is John Varga's NPI number?
- John Varga's National Provider Identifier (NPI) is 1083623011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Varga's specialty?
- John Varga is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Varga located?
- John Varga's practice location on file with NPPES is 2425 Lime Kiln Ln, Louisville, KY 40222-3462.
- What is John Varga's phone number?
- The practice phone number listed in the NPPES registry for John Varga is (502) 899-7163.
- Does John Varga accept Medicare?
- John Varga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Varga's NPI active?
- Yes — John Varga's NPI (1083623011) is active in the NPPES registry as of the last update on 2010-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.