John Olsofka, M.D.
NPI 1013919273 · Surgery Physician · Louisville, KY
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Olsofka, M.D. is a Surgery Physician provider in Louisville, KY (NPI 1013919273).
Provider details
- NPI number
- 1013919273
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 31325 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
360 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Insertion Or Replacement of Peripheral, Sacral, Or Gastric Neurostimulator Generator Or Receiver64590 | 39 | $209 |
| Electronic Analysis of Implanted Gastric Neurostimulator Generator During Surgery With Programming95980 | 38 | $39 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 32 | $205 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 31 | $46 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 26 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 173 | 150 |
| Naproxen | 48 | 33 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 27 | 24 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 24 | 22 |
| Esomeprazole Magnesium | 21 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$986 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-01
- Last updated
- 2019-01-23
Frequently asked questions
- What is John Olsofka's NPI number?
- John Olsofka's National Provider Identifier (NPI) is 1013919273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Olsofka's specialty?
- John Olsofka is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Olsofka located?
- John Olsofka's practice location on file with NPPES is 4402 Churchman Ave, Louisville, KY 40215-3101.
- What is John Olsofka's phone number?
- The practice phone number listed in the NPPES registry for John Olsofka is (502) 366-1090.
- Does John Olsofka accept Medicare?
- John Olsofka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Olsofka's NPI active?
- Yes — John Olsofka's NPI (1013919273) is active in the NPPES registry as of the last update on 2019-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.