Quick answers
- Does Ariel C. Lewis accept Medicare assignment?
- Yes. Medicare's clinician data says Ariel C. Lewis 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 Ariel C. Lewis see?
- In 2024, CMS data shows 95 Original Medicare patients and 78,749 services for Ariel C. Lewis. This counts Original Medicare only and measures volume, not quality.
- What is Ariel C. Lewis's NPI number?
- 1912512591. 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 Ariel C. Lewis, 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 | 95 |
|---|---|
| Services billed to Medicare | 78,749 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, romosozumab-aqqg, 1 mg (J3111)10,290 services
- Injection, denosumab, 1 mg (J0897)1,080 services
- Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (96401)121 services
- Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)90 services
- Administration of chemotherapy into vein, 1 hour or less (96413)61 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 cholesterol67%
- High blood pressure62%
- Osteoporosis60%
- Arthritis47%
- Anxiety31%
- Asthma28%
Practice locations
Addresses where Ariel C. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).
- 4230 S Westnedge Ave, Suite 1Kalamazoo, MI 49008 (877) 448‑3627
Group practices
Medicare enrollment lists Ariel C. Lewis as a member of this group (CMS data updated October 2, 2026).
- Metro Infectious Disease Consultants LLC389 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Kalamazoo
Clinicians with the same Medicare primary specialty in Kalamazoo, MI — not a recommendation.
Other clinicians in Metro Infectious Disease Consultants LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912512591 |
| 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
- 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