ANDREW JAMES LEIS
NPI 1184270654
Nurse Anesthetist, Certified Registered in Midland, MI
About Andrew James Leis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW JAMES LEIS (NPI 1184270654) is an individual nurse anesthetist, certified registered in Midland, Michigan, licensed in Michigan (4704318826) and active in the NPI registry since August 2019. He is affiliated with Mymichigan Medical Center Midland and is a graduate of University Of Michigan Medical School (2016).
NPPES Registry Identity
Specialties & Licenses
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
Andrew James Leis 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 Andrew Leis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 88 clinicians in this Medicare group
Saginaw, MI 48604
- Reassigned Medicare billing, Michigan enrollment
- 55 clinicians in this Medicare group
Saginaw, MI 48604
- Reassigned Medicare billing, Michigan enrollment
- 178 clinicians in this Medicare group
Saginaw, MI 48604
- Reassigned Medicare billing, Michigan enrollment
- 38 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 2
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.
Mymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48670 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.
MIDLAND, MI 48670
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 Andrew Leis's NPI number?
The NPI number for Andrew Leis is 1184270654. It was assigned to this individual provider in the NPPES registry on August 12, 2019.
Where is Andrew Leis located?
Andrew Leis practices at 4000 Wellness Dr, Midland, MI 48670. The listed phone number is (989) 839-3000.
What is Andrew Leis's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Andrew Leis enrolled in Medicare?
Yes. Andrew Leis 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 Andrew Leis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Leis reassigns Medicare benefits to 4 organizations: Mymichigan Medical Center Midland (Midland, MI), Anesthesia Associates Of The Lower Peninsula PC (Saginaw, MI), Resource Anesthesiology Associates Of Mi PC (Saginaw, MI) and Resource Anesthesiology Associates Of Mid Michigan PC (Saginaw, 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 Andrew Leis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Andrew Leis affiliated with any hospitals?
According to CMS data, Andrew Leis is affiliated with Mymichigan Medical Center Midland.
When was this NPI record last updated?
The NPPES record for Andrew Leis was last updated on August 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Andrew James Leis · NPI 1184270654
Nurse Anesthetist, Certified Registered physician in Midland, Michigan. Individual provider, active in the CMS NPPES registry since August 12, 2019.
## Identity
- **NPI:** 1184270654 (Entity type: Individual)
- **Enumerated:** August 12, 2019
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704318826 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4000 WELLNESS DR, Midland, MI 48670-2000
- **Phone:** (989) 839-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Mymichigan Medical Center Midland (NPI 1770668683, Midland, MI); Anesthesia Associates Of The Lower Peninsula PC (NPI 1740152412, Saginaw, MI); Resource Anesthesiology Associates Of Mi PC (NPI 1568755882, Saginaw, MI); Resource Anesthesiology Associates Of Mid Michigan PC (NPI 1104617786, Saginaw, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2016
## Record status
- **NPPES last updated:** August 12, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1184270654) · Data from the CMS NPPES public registry.