SANDRA LYNN SITEK CRNA
NPI 1770002156
Nurse Anesthetist, Certified Registered in Howell, MI
About Sandra Lynn Sitek Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDRA LYNN SITEK CRNA (NPI 1770002156) is an individual nurse anesthetist, certified registered in Howell, Michigan, licensed in Michigan (4704295541) and active in the NPI registry since September 2017. She is a graduate of Other (2017).
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
Sandra Lynn Sitek Crna 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
2Medicare enrollment records show Sandra Sitek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- 33 clinicians in this Medicare group
Rochester, MI 48307
- Reassigned Medicare billing, Michigan enrollment
- 359 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48843 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.
HOWELL, MI 48843
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 Sandra Sitek's NPI number?
The NPI number for Sandra Sitek is 1770002156. It was assigned to this individual provider in the NPPES registry on September 16, 2017.
Where is Sandra Sitek located?
Sandra Sitek practices at 620 Byron Rd, Howell, MI 48843. The listed phone number is (517) 545-6100.
What is Sandra Sitek's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Sandra Sitek enrolled in Medicare?
Yes. Sandra Sitek 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 Sandra Sitek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Sitek reassigns Medicare benefits to 2 organizations: Mclaren Flint (Flint, MI) and Asa Staffing Inc (Rochester, 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 Sandra Sitek'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 Sandra Sitek was last updated on June 5, 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.
# Sandra Lynn Sitek, CRNA · NPI 1770002156
Nurse Anesthetist, Certified Registered physician in Howell, Michigan. Individual provider, active in the CMS NPPES registry since September 16, 2017.
## Identity
- **NPI:** 1770002156 (Entity type: Individual)
- **Enumerated:** September 16, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704295541 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 620 BYRON RD, Howell, MI 48843-1002
- **Phone:** (517) 545-6100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mclaren Flint (NPI 1346373339, Flint, MI); Asa Staffing Inc (NPI 1114378981, Rochester, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** June 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1770002156) · Data from the CMS NPPES public registry.