Quick answers
- Does Adrienne L. Merrick accept Medicare assignment?
- Yes. Medicare's clinician data says Adrienne L. Merrick 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 Adrienne L. Merrick see?
- In 2024, CMS data shows 797 Original Medicare patients and 933 services for Adrienne L. Merrick. This counts Original Medicare only and measures volume, not quality.
- What is Adrienne L. Merrick's NPI number?
- 1447594858. 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 Adrienne L. Merrick, 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 | 797 |
|---|---|
| Services billed to Medicare | 933 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for lens surgery (00142)774 services
- Anesthesia for other procedure on eye (00140)84 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)18 services
- Anesthesia for procedure on eye for corneal transplant (00144)16 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 cholesterol75%
- High blood pressure72%
- Arthritis37%
- Diabetes26%
- Anxiety23%
- Ischemic heart disease21%
Hospitals where Adrienne L. Merrick works
Medicare's Facility Affiliation Data lists Adrienne L. Merrick 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.
- Indiana University Health Arnett HospitalLafayette, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150173
- Indiana University Health Frankfort IncFrankfort, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151316
Practice locations
Addresses where Adrienne L. Merrick is enrolled with Medicare (CMS data updated October 2, 2026).
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
- 2600 Greenbush StLafayette, IN 47904 (765) 448‑8000
- 9202 N Meridian St, Suite 150Indianapolis, IN 46260 (317) 841‑2020
Group practices
Medicare enrollment lists Adrienne L. Merrick as a member of these groups (CMS data updated October 2, 2026).
- IU Health Medical Group LLC4,462 clinicians in the group
- Arnett Clinic LLC390 clinicians in the group
- Indiana Anesthesia LLC8 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Indiana →
Other nurse anesthetists in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Other clinicians in IU Health Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447594858 |
| 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