JAMES ROBERT POLEGA MD
NPI 1740700236
Internal Medicine - Infectious Disease in Grand Rapids, MI
About James Robert Polega Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES ROBERT POLEGA MD (NPI 1740700236) is an individual infectious disease provider in Grand Rapids, Michigan, licensed in Michigan (4301119218) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Michigan State University College Of Human Medicine (2017).
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
James Robert Polega Md 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 Reassignments
2Medicare enrollment records show James Polega reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Grand Rapids, MI 49548
- Reassigned Medicare billing, Michigan enrollment
- 147 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Big Rapids Hospital
Acute Care Hospitals · Big Rapids, MICorewell Health Reed City Hospital
Critical Access Hospitals · Reed City, MICorewell Health Gerber Hospital
Critical Access Hospitals · Fremont, MICorewell Health Pennock Hospital
Critical Access Hospitals · Hastings, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 James Polega's NPI number?
The NPI number for James Polega is 1740700236. It was assigned to this individual provider in the NPPES registry on June 26, 2017.
Where is James Polega located?
James Polega practices at 230 Michigan St NE Ste 230, Grand Rapids, MI 49503. The listed phone number is (616) 774-2822.
What is James Polega's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is James Polega enrolled in Medicare?
Yes. James Polega 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 organizations bill Medicare for James Polega's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Polega reassigns Medicare benefits to 2 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI) and Pine Rest Christian Mental Health Services (Grand Rapids, MI). Each 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 James Polega's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Polega 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 1 other insurer list James Polega 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 James Polega affiliated with any hospitals?
According to CMS data, James Polega is affiliated with Spectrum Health, Corewell Health Big Rapids Hospital, Corewell Health Reed City Hospital, Corewell Health Gerber Hospital and Corewell Health Pennock Hospital.
When was this NPI record last updated?
The NPPES record for James Polega was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.