ALLISON JENNENS DO
NPI 1619558111
Anesthesiology in Lansing, MI
About Allison Jennens Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON JENNENS DO (NPI 1619558111) is an individual anesthesiology provider in Lansing, Michigan, licensed in Michigan (5101028669) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Mclaren Greater Lansing, and is a graduate of Michigan State University College Of Osteopathic Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 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
Allison Jennens 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 Reassignment
Medicare enrollment records show Allison Jennens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Okemos, MI 48864
- Reassigned Medicare billing, Michigan enrollment
- 90 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Greater Lansing
Acute Care Hospitals · Lansing, MIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LANSING, MI 48910
LANSING, MI 48910
LANSING, MI 48910
LANSING, MI 48910
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 Allison Jennens's NPI number?
The NPI number for Allison Jennens is 1619558111. It was assigned to this individual provider in the NPPES registry on April 16, 2021.
Where is Allison Jennens located?
Allison Jennens practices at 401 W Greenlawn Ave, Lansing, MI 48910. The listed phone number is (517) 975-6000.
What is Allison Jennens's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Allison Jennens enrolled in Medicare?
Yes. Allison Jennens 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 Allison Jennens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Jennens reassigns Medicare benefits to Capital Area Anesthesia PC (Okemos, 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 Allison Jennens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Allison Jennens affiliated with any hospitals?
According to CMS data, Allison Jennens is affiliated with Mclaren Greater Lansing.
When was this NPI record last updated?
The NPPES record for Allison Jennens was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.