Quick answers
- Does Felix A. Olash Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Felix A. Olash Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Felix A. Olash Jr. see?
- In 2024, CMS data shows 193 Original Medicare patients and 4,690 services for Felix A. Olash Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Felix A. Olash Jr.'s NPI number?
- 1053428714. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Felix A. Olash Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 193 |
|---|---|
| Services billed to Medicare | 4,690 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)1,502 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)250 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)237 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)123 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)99 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure73%
- High cholesterol62%
- Arthritis44%
- Ischemic heart disease27%
- Atrial fibrillation25%
- Anxiety21%
Hospitals where Felix A. Olash Jr. works
Medicare's Facility Affiliation Data lists Felix A. Olash Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baptist Health La GrangeLa Grange, KY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 180138
- Baptist Health LouisvilleLouisville, KY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 180130
- Norton Hospitals, IncLouisville, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180088
- UOFL HEALTH - JEWISH HOSPITAL and Mary & Elizabeth HospitalLouisville, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180040
Practice locations
Addresses where Felix A. Olash Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 3900 Kresge WayLouisville, KY 40207 (502) 897‑1776
Group practices
Medicare enrollment lists Felix A. Olash Jr. as a member of this group (CMS data updated October 2, 2026).
- Olash Medical Associates, PSC2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Louisville
Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.
Other clinicians in Olash Medical Associates, PSC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kentucky College Of Medicine |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053428714 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians