JAMIE ACKERMAN KAREK CNM, WHNP-BC
NPI 1235610924
Advanced Practice Midwife in East Lansing, MI
About Jamie Ackerman Karek Cnm, Whnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMIE ACKERMAN KAREK CNM, WHNP-BC (NPI 1235610924) is an individual advanced practice midwife in East Lansing, Michigan, licensed in Michigan (4704266744) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, is affiliated with Edward W Sparrow Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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 and accepts Medicare assignment
Jamie Ackerman Karek Cnm, Whnp-bc 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 Jamie Karek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 265 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
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.
Edward W Sparrow Hospital
Acute Care Hospitals · Lansing, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48823 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST LANSING, MI 48823
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 Jamie Karek's NPI number?
The NPI number for Jamie Karek is 1235610924. It was assigned to this individual provider in the NPPES registry on August 22, 2018.
Where is Jamie Karek located?
Jamie Karek practices at 1651 W Lake Lansing Rd Ste 300, East Lansing, MI 48823. The listed phone number is (517) 253-3910.
What is Jamie Karek's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Jamie Karek enrolled in Medicare?
Yes. Jamie Karek 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 Jamie Karek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jamie Karek reassigns Medicare benefits to Edward W Sparrow Hospital Association (Lansing, 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 Jamie Karek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jamie Karek accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Jamie Karek 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 Jamie Karek affiliated with any hospitals?
According to CMS data, Jamie Karek is affiliated with Edward W Sparrow Hospital.
When was this NPI record last updated?
The NPPES record for Jamie Karek was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Jamie Ackerman Karek, CNM, WHNP-BC · NPI 1235610924
Advanced Practice Midwife physician in East Lansing, Michigan. Individual provider, active in the CMS NPPES registry since August 22, 2018.
## Identity
- **NPI:** 1235610924 (Entity type: Individual)
- **Enumerated:** August 22, 2018
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** 4704266744 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1651 W LAKE LANSING RD STE 300, East Lansing, MI 48823-6337
- **Phone:** (517) 253-3910
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Edward W Sparrow Hospital Association (NPI 1033513148, Lansing, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** August 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1235610924) · Data from the CMS NPPES public registry.