CASEY LEVI SIETSEMA P.A.
NPI 1689000903
Physician Assistant in Zeeland, MI
About Casey Levi Sietsema P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY LEVI SIETSEMA P.A. (NPI 1689000903) is an individual physician assistant in Zeeland, Michigan, licensed in Texas (PA10697) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS, is affiliated with Ascension Seton Hays, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Casey Levi Sietsema P.a. 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Seton Hays
Acute Care Hospitals · Kyle, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49464 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Casey Sietsema's NPI number?
The NPI number for Casey Sietsema is 1689000903. It was assigned to this individual provider in the NPPES registry on September 18, 2013.
Where is Casey Sietsema located?
Casey Sietsema practices at 8666 Maple Ln, Zeeland, MI 49464. The listed phone number is (616) 283-8785.
What is Casey Sietsema's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Casey Sietsema enrolled in Medicare?
Yes. Casey Sietsema 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.
What insurance does Casey Sietsema accept?
Health plans from Blue Cross and Blue Shield of Texas, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Casey Sietsema 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 Casey Sietsema affiliated with any hospitals?
According to CMS data, Casey Sietsema is affiliated with Ascension Seton Hays.
When was this NPI record last updated?
The NPPES record for Casey Sietsema was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Casey Levi Sietsema, P.A. · NPI 1689000903
Physician Assistant physician in Zeeland, Michigan. Individual provider, active in the CMS NPPES registry since September 18, 2013.
## Identity
- **NPI:** 1689000903 (Entity type: Individual)
- **Enumerated:** September 18, 2013
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** PA10697 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8666 MAPLE LN, Zeeland, MI 49464-9157
- **Phone:** (616) 283-8785
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** January 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689000903) · Data from the CMS NPPES public registry.