RACHEL SIKKEMA
NPI 1750700944
Social Worker in Ann Arbor, MI
About Rachel Sikkema NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RACHEL SIKKEMA (NPI 1750700944) is an individual social worker in Ann Arbor, Michigan and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS.
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 (PECOS)
Rachel Sikkema is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Rachel Sikkema reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 264 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
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.
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48103
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 Rachel Sikkema's NPI number?
The NPI number for Rachel Sikkema is 1750700944. It was assigned to this individual provider in the NPPES registry on April 15, 2014.
Where is Rachel Sikkema located?
Rachel Sikkema practices at 320 Miller Ave Suite 100, Ann Arbor, MI 48103. The listed phone number is (734) 821-0216.
What is Rachel Sikkema's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Rachel Sikkema enrolled in Medicare?
Yes. Rachel Sikkema is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rachel Sikkema's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Sikkema reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Washington Hospital Center Corp (Washington, DC). 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 Rachel Sikkema'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 Rachel Sikkema was last updated on April 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Rachel Sikkema · NPI 1750700944
Social Worker provider in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since April 15, 2014.
## Identity
- **NPI:** 1750700944 (Entity type: Individual)
- **Enumerated:** April 15, 2014
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** No
## Practice location
- **Address:** 320 MILLER AVE, SUITE 100, Ann Arbor, MI 48103-3385
- **Phone:** (734) 821-0216 · **Fax:** (734) 821-0218
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Washington Hospital Center Corp (NPI 1376627406, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 15, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1750700944) · Data from the CMS NPPES public registry.