Quick answers
- Does Lizabeth S. Giles accept Medicare assignment?
- Yes. Medicare's clinician data says Lizabeth S. Giles 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 Lizabeth S. Giles see?
- In 2024, CMS data shows 103 Original Medicare patients and 166 services for Lizabeth S. Giles. This counts Original Medicare only and measures volume, not quality.
- What is Lizabeth S. Giles's NPI number?
- 1881045839. 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 Lizabeth S. Giles, 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 | 103 |
|---|---|
| Services billed to Medicare | 166 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)39 services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)31 services
- Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes (99347)19 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)13 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 cholesterol74%
- Arthritis66%
- Anxiety60%
- Depression53%
- Chronic kidney disease53%
Practice locations
Addresses where Lizabeth S. Giles is enrolled with Medicare (CMS data updated October 2, 2026).
- 145 Michigan St NE, 3410 Corewell Health Medical Group WestGrand Rapids, MI 49503 (616) 391‑9945
Group practices
Medicare enrollment lists Lizabeth S. Giles as a member of this group (CMS data updated October 2, 2026).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
Specialties
- Hospice/Palliative Careprimary
- Family Practicealso
Other palliative care doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Spectrum Health Primary Care Partners
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881045839 |
| 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