MARC EMMETT WHITAKER MD
NPI 1013957992
Emergency Medicine in Muskegon, MI
About Marc Emmett Whitaker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARC EMMETT WHITAKER MD (NPI 1013957992) is an individual emergency medicine provider in Muskegon, Michigan, licensed in Michigan (4301070652) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marc Emmett Whitaker Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Marc Whitaker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Muskegon, MI 49444
- Reassigned Medicare billing, Michigan enrollment
- 61 clinicians in this Medicare group
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 83 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49443 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 7
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 Marc Whitaker's NPI number?
The NPI number for Marc Whitaker is 1013957992. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Marc Whitaker located?
Marc Whitaker practices at 1500 E Sherman Blvd, Muskegon, MI 49443. The listed phone number is (231) 739-9343.
What is Marc Whitaker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marc Whitaker enrolled in Medicare?
Yes. Marc Whitaker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marc Whitaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Whitaker reassigns Medicare benefits to 2 organizations: Lake Michigan Observation Services PLLC (Muskegon, MI) and Lake Michigan Emergency Specialists, PLLC (Muskegon, 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 Marc Whitaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marc Whitaker was last updated on May 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Marc Emmett Whitaker, MD · NPI 1013957992
Emergency Medicine physician in Muskegon, Michigan. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1013957992 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301070652 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E SHERMAN BLVD, Muskegon, MI 49443
- **Phone:** (231) 739-9343
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Lake Michigan Observation Services PLLC (NPI 1518626043, Muskegon, MI); Lake Michigan Emergency Specialists, PLLC (NPI 1124574520, Muskegon, MI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 19, 2008
- **Other identifiers:** Medicare PIN P00248930; Medicare UPIN H29107; Medicaid 104785766 (MI); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1013957992) · Data from the CMS NPPES public registry.