SARAH ELIZABETH DE LEEUW NP-C
NPI 1023666765
Nurse Practitioner - Family in Okemos, MI
About Sarah Elizabeth De Leeuw Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH ELIZABETH DE LEEUW NP-C (NPI 1023666765) is an individual family provider in Okemos, Michigan, licensed in Michigan (4704233077) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, is affiliated with Henry Ford Allegiance Health, and is a graduate of Other (2018).
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
Sarah Elizabeth De Leeuw Np-c 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
6Medicare enrollment records show Sarah De Leeuw reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- 48 clinicians in this Medicare group
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- 52 clinicians in this Medicare group
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: W.A. Foote Memorial Hospital
- 225 clinicians in this Medicare group
Southfield, MI 48075
- Reassigned Medicare billing, Michigan enrollment
- 80 clinicians in this Medicare group
Southfield, MI 48075
- Reassigned Medicare billing, Michigan enrollment
- 239 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Michigan enrollment
- 666 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Henry Ford Allegiance Health
Acute Care Hospitals · Jackson, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48864 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKEMOS, MI 48864
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 Sarah De Leeuw's NPI number?
The NPI number for Sarah De Leeuw is 1023666765. It was assigned to this individual provider in the NPPES registry on August 27, 2019.
Where is Sarah De Leeuw located?
Sarah De Leeuw practices at 2390 Woodlake Dr Ste 380, Okemos, MI 48864. The listed phone number is (517) 333-7113.
What is Sarah De Leeuw's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sarah De Leeuw enrolled in Medicare?
Yes. Sarah De Leeuw 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 Sarah De Leeuw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah De Leeuw reassigns Medicare benefits to 6 organizations: Iep Observation Medicine - Jackson PLLC (Jackson, MI), Ihp Hospital Medicine - Jackson PLLC (Jackson, MI), Wa Foote Memorial Hospital Inc. (Jackson, MI), Independent Hospitalist Physicians, PLLC (Southfield, MI), Independent Observation Physicians PLLC (Southfield, MI) and 1 more organization, listed in the Medicare section above. 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 Sarah De Leeuw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah De Leeuw accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Sarah De Leeuw 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 Sarah De Leeuw affiliated with any hospitals?
According to CMS data, Sarah De Leeuw is affiliated with Henry Ford Allegiance Health.
When was this NPI record last updated?
The NPPES record for Sarah De Leeuw was last updated on August 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Sarah Elizabeth De Leeuw, NP-C · NPI 1023666765
Family physician in Okemos, Michigan. Individual provider, active in the CMS NPPES registry since August 27, 2019.
## Identity
- **NPI:** 1023666765 (Entity type: Individual)
- **Enumerated:** August 27, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704233077 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 2390 WOODLAKE DR STE 380, Okemos, MI 48864-6018
- **Phone:** (517) 333-7113 · **Fax:** (517) 333-7125
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Iep Observation Medicine - Jackson PLLC (NPI 1982478251, Jackson, MI); Ihp Hospital Medicine - Jackson PLLC (NPI 1275306078, Jackson, MI); Wa Foote Memorial Hospital Inc. (NPI 1083971477, Jackson, MI); Independent Hospitalist Physicians, PLLC (NPI 1851820641, Southfield, MI); Independent Observation Physicians PLLC (NPI 1700119500, Southfield, MI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 27, 2019
---
Source: [NPI Profile](https://npiprofile.com/npi/1023666765) · Data from the CMS NPPES public registry.