Quick answers
- Does Nicholas R. Gahan accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas R. Gahan 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 Nicholas R. Gahan see?
- In 2024, CMS data shows 146 Original Medicare patients and 170 services for Nicholas R. Gahan. This counts Original Medicare only and measures volume, not quality.
- What is Nicholas R. Gahan's NPI number?
- 1699366310. 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 Nicholas R. Gahan, 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 | 146 |
|---|---|
| Services billed to Medicare | 170 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for procedure on heart and large blood vessels (00560)18 services
- Insertion of artery tube for blood sampling or infusion through skin (36620)18 services
- Anesthesia for x-ray or radiation therapy (01922)12 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 pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease58%
- Heart failure47%
- Diabetes45%
Hospitals where Nicholas R. Gahan works
Medicare's Facility Affiliation Data lists Nicholas R. Gahan 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 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
Practice locations
Addresses where Nicholas R. Gahan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Audubon Plaza DrLouisville, KY 40217 (859) 268‑1030
- 200 E Chestnut StLouisville, KY 40202 (502) 629‑8000
- 4000 Kresge WayLouisville, KY 40207 (502) 897‑8100
Group practices
Medicare enrollment lists Nicholas R. Gahan as a member of these groups (CMS data updated October 2, 2026).
- Professional Anesthesia Services of Kentucky PLLC352 clinicians in the group
- Anesthesiology Consultants Enterprises PLLC140 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Kentucky →
Other nurse anesthetists in Louisville
Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.
Other clinicians in Professional Anesthesia Services of Kentucky PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699366310 |
| 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