MRS. SARA CATHRYN OLMSTEAD ARNP
NPI 1730528225
Nurse Practitioner - Women's Health in Cedar Rapids, IA
About Mrs. Sara Cathryn Olmstead Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SARA CATHRYN OLMSTEAD ARNP (NPI 1730528225) is an individual women's health provider in Cedar Rapids, Iowa, licensed in Iowa (F110116) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Other (2012).
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
Mrs. Sara Cathryn Olmstead Arnp 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 Reassignment
Medicare enrollment records show Sara Olmstead reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cedar Rapids, IA 52402
- Reassigned Medicare billing, Iowa enrollment
- 6 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.
Northwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52402 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CEDAR RAPIDS, IA 52402
CEDAR RAPIDS, IA 52402
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 Sara Olmstead's NPI number?
The NPI number for Sara Olmstead is 1730528225. It was assigned to this individual provider in the NPPES registry on June 18, 2013.
Where is Sara Olmstead located?
Sara Olmstead practices at 4251 River Center Ct NE, Cedar Rapids, IA 52402. The listed phone number is (319) 200-5900.
What is Sara Olmstead's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Sara Olmstead enrolled in Medicare?
Yes. Sara Olmstead 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 organization bills Medicare for Sara Olmstead's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sara Olmstead reassigns Medicare benefits to Rexmd LLC (Cedar Rapids, IA). The 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 Sara Olmstead's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sara Olmstead accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 1 other insurer list Sara Olmstead 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 Sara Olmstead affiliated with any hospitals?
According to CMS data, Sara Olmstead is affiliated with Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Sara Olmstead was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mrs. Sara Cathryn Olmstead, ARNP · NPI 1730528225
Women's Health physician in Cedar Rapids, Iowa. Individual provider, active in the CMS NPPES registry since June 18, 2013.
## Identity
- **NPI:** 1730528225 (Entity type: Individual)
- **Enumerated:** June 18, 2013
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** F110116 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 4251 RIVER CENTER CT NE, Cedar Rapids, IA 52402-7549
- **Phone:** (319) 200-5900
## 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:** Rexmd LLC (NPI 1639840333, Cedar Rapids, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1730528225) · Data from the CMS NPPES public registry.