DR. JEFFERY LEE CHAMBERLAIN M.D.
NPI 1790905214
Family Medicine in Byron Center, MI
About Dr. Jeffery Lee Chamberlain M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFERY LEE CHAMBERLAIN M.D. (NPI 1790905214) is an individual family medicine provider in Byron Center, Michigan, licensed in Michigan (4301086292) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Southern Illinois University School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jeffery Lee Chamberlain M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jeffery Chamberlain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Byron Center, MI 49315
- Reassigned Medicare billing, Michigan enrollment
- 737 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIMercy Health Saint Mary's
Acute Care Hospitals · Grand Rapids, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49315 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49315
BYRON CENTER, MI 49315
BYRON CENTER, MI 49315
BYRON CENTER, MI 49315
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jeffery Chamberlain's NPI number?
The NPI number for Jeffery Chamberlain is 1790905214. It was assigned to this individual provider in the NPPES registry on April 26, 2007.
Where is Jeffery Chamberlain located?
Jeffery Chamberlain practices at 2373 64th St SW Suite 1300, Byron Center, MI 49315. The listed phone number is (616) 685-1350.
What is Jeffery Chamberlain's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jeffery Chamberlain enrolled in Medicare?
Yes. Jeffery Chamberlain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jeffery Chamberlain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffery Chamberlain reassigns Medicare benefits to Advantage Health Saint Mary's Medical Group (Byron Center, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffery Chamberlain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeffery Chamberlain accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Jeffery Chamberlain as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jeffery Chamberlain affiliated with any hospitals?
According to CMS data, Jeffery Chamberlain is affiliated with Spectrum Health and Mercy Health Saint Mary's.
When was this NPI record last updated?
The NPPES record for Jeffery Chamberlain was last updated on June 26, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.