ONE CIRCLE HEALTH
NPI 1104928613
Family Medicine in Ann Arbor, MI
About One Circle Health NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONE CIRCLE HEALTH (NPI 1104928613) is a healthcare organization registered as a family medicine in Ann Arbor, Michigan and active in the NPI registry since September 2006. The organization holds a CLIA Microscopy certificate valid through February 17, 2027 and lists Malcolm Sickels, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
One Circle Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to One Circle Health, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 23D1037249
Malcolm Sickels MD PC · Ann Arbor, MIFrequently 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 Malcolm Sickels MD P.C.'s NPI number?
The NPI number for Malcolm Sickels MD P.C. is 1104928613. It was assigned to this organization in the NPPES registry on September 4, 2006. The provider is doing business as One Circle Health.
Where is Malcolm Sickels MD P.C. located?
Malcolm Sickels MD P.C. is located at 210 Little Lake Dr Ste 10, Ann Arbor, MI 48103. The listed phone number is (734) 332-9936.
What is Malcolm Sickels MD P.C.'s specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Malcolm Sickels MD P.C. enrolled in Medicare?
Yes. Malcolm Sickels MD P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Malcolm Sickels MD P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Malcolm Sickels MD P.C., in Family Practice and Nurse Practitioner. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Malcolm Sickels MD P.C. hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 23D1037249) is associated with this NPI, valid through February 17, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Malcolm Sickels MD P.C. was last updated on August 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# One Circle Health · NPI 1104928613
Family Medicine organization in Ann Arbor, Michigan. Organization record, active in the CMS NPPES registry since September 4, 2006.
## Identity
- **NPI:** 1104928613 (Entity type: Organization)
- **Enumerated:** September 4, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** Malcolm Sickels Md P.c.
- **Organization subpart:** No
- **Authorized official:** Malcolm Sickels, PRESIDENT
## Practice location
- **Address:** 210 LITTLE LAKE DR STE 10, Ann Arbor, MI 48103-6218
- **Phone:** (734) 332-9936 · **Fax:** (734) 864-0018
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (1), Nurse Practitioner (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 25, 2022
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1104928613) · Data from the CMS NPPES public registry.