WILLIAM EDWARD SIKES CRNA
NPI 1154710622
Nurse Anesthetist, Certified Registered in Royal Oak, MI
About William Edward Sikes Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM EDWARD SIKES CRNA (NPI 1154710622) is an individual nurse anesthetist, certified registered in Royal Oak, Michigan, licensed in Michigan (4704266796) and active in the NPI registry since January 2015. He is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
William Edward Sikes 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
3Medicare enrollment records show William Sikes reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portage, MI 49024
- Reassigned Medicare billing, Michigan enrollment
- 36 clinicians in this Medicare group
Allegan, MI 49010
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Ascension Borgess Allegan Hospital
- Also billed through NPI 1295803377 (Michigan)
- 4 clinicians in this Medicare group
Dowagiac, MI 49047
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Ascension Borgess Lee Hospital
- 83 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48073 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
ROYAL OAK, MI 48073
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 William Sikes's NPI number?
The NPI number for William Sikes is 1154710622. It was assigned to this individual provider in the NPPES registry on January 21, 2015.
Where is William Sikes located?
William Sikes practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-7788.
What is William Sikes's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Sikes enrolled in Medicare?
Yes. William Sikes 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 William Sikes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Sikes reassigns Medicare benefits to 3 organizations: Apollo Medical Group Of Michigan PLLC (Portage, MI), Beacon Allegan Inc (Allegan, MI) and Beacon Dowagiac Inc (Dowagiac, 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 William Sikes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Sikes accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list William Sikes 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.
When was this NPI record last updated?
The NPPES record for William Sikes was last updated on January 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# William Edward Sikes, CRNA · NPI 1154710622
Nurse Anesthetist, Certified Registered physician in Royal Oak, Michigan. Individual provider, active in the CMS NPPES registry since January 21, 2015.
## Identity
- **NPI:** 1154710622 (Entity type: Individual)
- **Enumerated:** January 21, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704266796 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 W 13 MILE RD, Royal Oak, MI 48073-6712
- **Phone:** (248) 898-7788 · **Fax:** (248) 898-8181
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Apollo Medical Group Of Michigan PLLC (NPI 1699582593, Portage, MI); Beacon Allegan Inc (NPI 1932364700, Allegan, MI); Beacon Dowagiac Inc (NPI 1194771030, Dowagiac, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 21, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1154710622) · Data from the CMS NPPES public registry.