TAEMYN KALISHAR HOLLIS MD
NPI 1841518818
Pediatrics - Pediatric Critical Care Medicine in Grand Rapids, MI
About Taemyn Kalishar Hollis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAEMYN KALISHAR HOLLIS MD (NPI 1841518818) is an individual pediatric critical care medicine provider in Grand Rapids, Michigan, licensed in Michigan (4301103644) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Taemyn Kalishar Hollis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Taemyn Hollis reassigns Medicare billing to 3 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
Chicago, IL 60605
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Detroit, MI 48201
- Reassigned Medicare billing, Michigan enrollment
- 360 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.
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 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 Taemyn Hollis's NPI number?
The NPI number for Taemyn Hollis is 1841518818. It was assigned to this individual provider in the NPPES registry on May 14, 2010.
Where is Taemyn Hollis located?
Taemyn Hollis practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 267-0118.
What is Taemyn Hollis's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Taemyn Hollis enrolled in Medicare?
Yes. Taemyn Hollis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Taemyn Hollis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Taemyn Hollis reassigns Medicare benefits to 3 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI), Rush University Medical Center (Chicago, IL) and University Pediatricians (Detroit, 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 Taemyn Hollis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Taemyn Hollis accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Taemyn Hollis 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.
When was this NPI record last updated?
The NPPES record for Taemyn Hollis was last updated on August 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Taemyn Kalishar Hollis, MD · NPI 1841518818
Pediatric Critical Care Medicine physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since May 14, 2010.
## Identity
- **NPI:** 1841518818 (Entity type: Individual)
- **Enumerated:** May 14, 2010
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** 4301103644 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MICHIGAN ST NE, Grand Rapids, MI 49503-2560
- **Phone:** (616) 267-0118
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Spectrum Health Primary Care Partners (NPI 1790093763, Grand Rapids, MI); Rush University Medical Center (NPI 1689165540, Chicago, IL); University Pediatricians (NPI 1033143904, Detroit, MI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1841518818) · Data from the CMS NPPES public registry.