KEENAN L HACKER DO
NPI 1295470623
Emergency Medicine in Muskegon, MI
About Keenan L Hacker Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEENAN L HACKER DO (NPI 1295470623) is an individual emergency medicine provider in Muskegon, Michigan, licensed in Michigan (5101027749) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mercy Health Lakeshore Campus, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Keenan L Hacker Do 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
4Medicare enrollment records show Keenan Hacker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 92 clinicians in this Medicare group
Muskegon, MI 49444
- Reassigned Medicare billing, Michigan enrollment
- 61 clinicians in this Medicare group
Pinehurst, NC 28374
- Reassigned Medicare billing, North Carolina enrollment
- 104 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Health Lakeshore Campus
Critical Access Hospitals · Shelby, MIFirsthealth Moore Regional Hospital
Acute Care Hospitals · Pinehurst, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49442 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MUSKEGON, MI 49442
MUSKEGON, MI 49442
MUSKEGON, MI 49442
MUSKEGON, MI 49442
MUSKEGON, MI 49442
MUSKEGON, MI 49442
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 Keenan Hacker's NPI number?
The NPI number for Keenan Hacker is 1295470623. It was assigned to this individual provider in the NPPES registry on April 29, 2022.
Where is Keenan Hacker located?
Keenan Hacker practices at 1675 Leahy St Ste 201, Muskegon, MI 49442. The listed phone number is (231) 672-8289.
What is Keenan Hacker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Keenan Hacker enrolled in Medicare?
Yes. Keenan Hacker 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 Keenan Hacker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keenan Hacker reassigns Medicare benefits to 4 organizations: Lake Michigan Emergency Specialists, PLLC (Muskegon, MI), Mercy Health Partners (Muskegon, MI), Lake Michigan Observation Services PLLC (Muskegon, MI) and Sandhills Emergency Physicians PA (Pinehurst, NC). 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 Keenan Hacker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Keenan Hacker affiliated with any hospitals?
According to CMS data, Keenan Hacker is affiliated with Mercy Health Lakeshore Campus and Firsthealth Moore Regional Hospital.
When was this NPI record last updated?
The NPPES record for Keenan Hacker was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Keenan L Hacker, DO · NPI 1295470623
Emergency Medicine physician in Muskegon, Michigan. Individual provider, active in the CMS NPPES registry since April 29, 2022.
## Identity
- **NPI:** 1295470623 (Entity type: Individual)
- **Enumerated:** April 29, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101027749 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1675 LEAHY ST STE 201, Muskegon, MI 49442-5542
- **Phone:** (231) 672-8289
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Lake Michigan Emergency Specialists, PLLC (NPI 1124574520, Muskegon, MI); Mercy Health Partners (NPI 1194767186, Muskegon, MI); Lake Michigan Observation Services PLLC (NPI 1518626043, Muskegon, MI); Sandhills Emergency Physicians PA (NPI 1003853409, Pinehurst, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Kentucky School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** March 4, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1295470623) · Data from the CMS NPPES public registry.