MICHAEL APP MD
NPI 1467490953
Internal Medicine in Grand Rapids, MI
About Michael App Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL APP MD (NPI 1467490953) is an individual internal medicine provider in Grand Rapids, Michigan, licensed in Michigan (4301071009) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Wayne State University School Of Medicine (1997).
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
Michael App 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 Reassignment
Medicare enrollment records show Michael App reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49546
- Reassigned Medicare billing, Michigan enrollment
- 9 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 13
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael App's NPI number?
The NPI number for Michael App is 1467490953. It was assigned to this individual provider in the NPPES registry on June 4, 2006.
Where is Michael App located?
Michael App practices at 655 Kenmoor Ave SE Ste 200, Grand Rapids, MI 49546. The listed phone number is (616) 363-7690.
What is Michael App's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael App enrolled in Medicare?
Yes. Michael App 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 Michael App's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael App reassigns Medicare benefits to Internal Medicine And Pediatrics Of West Michigan (Grand Rapids, 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 Michael App's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael App accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Michael App 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 Michael App affiliated with any hospitals?
According to CMS data, Michael App is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for Michael App was last updated on April 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.