Quick answers
- Does Elizabeth R. Larsen accept Medicare assignment?
- Medicare's clinician data says Elizabeth R. Larsen may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Elizabeth R. Larsen see?
- In 2024, CMS data shows 251 Original Medicare patients and 348 services for Elizabeth R. Larsen. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth R. Larsen's NPI number?
- 1649690181. 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 Elizabeth R. Larsen, 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 | 251 |
|---|---|
| Services billed to Medicare | 348 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for lens surgery (00142)70 services
- Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)56 services
- Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)55 services
- Anesthesia for exam of colon using an endoscope (00812)27 services
- Anesthesia for other procedure on forearm, wrist, or hand bones (01830)15 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%
- Arthritis57%
- Diabetes35%
- Ischemic heart disease29%
- Anxiety23%
Hospitals where Elizabeth R. Larsen works
Medicare's Facility Affiliation Data lists Elizabeth R. Larsen 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.
- Surgeons Choice Medical CenterSouthfield, MI · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 230301
Practice locations
Addresses where Elizabeth R. Larsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 43475 Dalcoma Dr, Suite 100Clinton Township, MI 48038 (586) 263‑5043
- 5959 Monclova RdMaumee, OH 43537 (419) 893‑5911
Group practices
Medicare enrollment lists Elizabeth R. Larsen as a member of these groups (CMS data updated October 2, 2026).
- Anesthesia Associates of Ann Arbor PLLC219 clinicians in the group
- A4 of Ohio LLC33 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Clinton Township
Clinicians with the same Medicare primary specialty in Clinton Township, MI — not a recommendation.
Other clinicians in Anesthesia Associates of Ann Arbor PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1649690181 |
| 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