OLIVIA LAUREN SIEVE DO
NPI 1710628797
Family Medicine - Adult Medicine in Osage Beach, MO
About Olivia Lauren Sieve Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA LAUREN SIEVE DO (NPI 1710628797) is an individual adult medicine provider in Osage Beach, Missouri, licensed in Missouri (2026004232) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Springfield, and is a graduate of Kansas City University Of Med & Biosciences, College Of Osteo Med (2022).
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
Olivia Lauren Sieve Do 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 Olivia Sieve reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Osage Beach, MO 65065
- Reassigned Medicare billing, Missouri enrollment
- 149 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Springfield
Acute Care Hospitals · Springfield, MOUniversity Of Missouri Health Care
Acute Care Hospitals · Columbia, MOLake Regional Health System
Acute Care Hospitals · Osage Beach, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 65065 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OSAGE BEACH, MO 65065
OSAGE BEACH, MO 65065
OSAGE BEACH, MO 65065
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 Olivia Sieve's NPI number?
The NPI number for Olivia Sieve is 1710628797. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is Olivia Sieve located?
Olivia Sieve practices at 54 Hospital Dr, Osage Beach, MO 65065. The listed phone number is (573) 348-8000.
What is Olivia Sieve's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.
Is Olivia Sieve enrolled in Medicare?
Yes. Olivia Sieve 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 Olivia Sieve's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Sieve reassigns Medicare benefits to Lake Regional Health System (Osage Beach, MO). 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 Olivia Sieve's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olivia Sieve accept?
Health plans from Anthem Blue Cross and Blue Shield list Olivia Sieve 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 Olivia Sieve affiliated with any hospitals?
According to CMS data, Olivia Sieve is affiliated with Mercy Hospital Springfield, University Of Missouri Health Care and Lake Regional Health System.
When was this NPI record last updated?
The NPPES record for Olivia Sieve was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Olivia Lauren Sieve, DO · NPI 1710628797
Adult Medicine physician in Osage Beach, Missouri. Individual provider, active in the CMS NPPES registry since April 5, 2022.
## Identity
- **NPI:** 1710628797 (Entity type: Individual)
- **Enumerated:** April 5, 2022
- **Primary specialty:** Family Medicine - Adult Medicine · taxonomy 207QA0505X
- **State license:** 2026004232 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 54 HOSPITAL DR, Osage Beach, MO 65065-3050
- **Phone:** (573) 348-8000
## 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:** Lake Regional Health System (NPI 1053581454, Osage Beach, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Kansas City University Of Med & Biosciences, College Of Osteo Med, class of 2022
## Record status
- **NPPES last updated:** January 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1710628797) · Data from the CMS NPPES public registry.