Quick answers
- Does Charles F. Whitaker Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Charles F. Whitaker Iv 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 Charles F. Whitaker Iv see?
- In 2024, CMS data shows 833 Original Medicare patients and 2,986 services for Charles F. Whitaker Iv. This counts Original Medicare only and measures volume, not quality.
- What is Charles F. Whitaker Iv's NPI number?
- 1821054966. 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 Charles F. Whitaker Iv, 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 | 833 |
|---|---|
| Services billed to Medicare | 2,986 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)805 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)533 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)466 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)395 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)232 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 cholesterol64%
- Arthritis55%
- Depression52%
- Anxiety48%
- Diabetes42%
Hospitals where Charles F. Whitaker Iv works
Medicare's Facility Affiliation Data lists Charles F. Whitaker Iv 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.
- Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230075
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230017
- Insight Hospital and Medical Center ColdwaterColdwater, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230022
- Oaklawn HospitalMarshall, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230217
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230046
Practice locations
Addresses where Charles F. Whitaker Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 1080 N 35th StGalesburg, MI 49053 (269) 665‑7043
- 274 E Chicago StColdwater, MI 49036 (517) 279‑5400
- 436 Marshall StColdwater, MI 49036 (517) 278‑6600
- 706 N AveBattle Creek, MI 49017 (269) 224‑0060
- 90 N Michigan AveColdwater, MI 49036 (517) 279‑9808
Group practices
Medicare enrollment lists Charles F. Whitaker Iv as a member of these groups (CMS data updated October 2, 2026).
- Theoria Medical284 clinicians in the group
- Complexcare Medical Group Midwest H PLLC127 clinicians in the group
- Community Health Center of Branch County56 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Galesburg
Clinicians with the same Medicare primary specialty in Galesburg, MI — not a recommendation.
Other clinicians in Theoria Medical
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jc Edwards School Of Medicine, Marshall University |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821054966 |
| 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