Quick answers
- Does James C. Spencer Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James C. Spencer Jr. 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 James C. Spencer Jr. see?
- In 2024, CMS data shows 84 Original Medicare patients and 1,130 services for James C. Spencer Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James C. Spencer Jr.'s NPI number?
- 1285656298. 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 James C. Spencer Jr., 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 | 84 |
|---|---|
| Services billed to Medicare | 1,130 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Chiropractic manipulative treatment, 3-4 spinal regions (98941)1,115 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 pressure68%
- High cholesterol62%
- Arthritis46%
- Diabetes30%
- Ischemic heart disease29%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)21%
Practice locations
Addresses where James C. Spencer Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 130 S Main StCamden, MI 49232
- 509 S Meridian RdHudson, MI 49247 (517) 448‑3000
Group practices
Medicare enrollment lists James C. Spencer Jr. as a member of this group (CMS data updated October 2, 2026).
- Dr James Spencer Jr Chiropractic Center PLC2 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in Dr James Spencer Jr Chiropractic Center PLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| School | Palmer College Chiropractic - Davenport |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285656298 |
| 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