MRS. THERESA LYNN REHG ANP
NPI 1760907414
Nurse Practitioner in Festus, MO
About Mrs. Theresa Lynn Rehg Anp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. THERESA LYNN REHG ANP (NPI 1760907414) is an individual nurse practitioner in Festus, Missouri, licensed in Missouri (2017026643) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Theresa Lynn Rehg Anp 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
3Medicare enrollment records show Theresa Rehg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 744 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Missouri enrollment
- 412 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63028 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
FESTUS, MO 63028
FESTUS, MO 63028
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 Theresa Rehg's NPI number?
The NPI number for Theresa Rehg is 1760907414. It was assigned to this individual provider in the NPPES registry on August 3, 2017.
Where is Theresa Rehg located?
Theresa Rehg practices at 1400 Us Highway 61 Ste 210, Festus, MO 63028. The listed phone number is (636) 933-8880.
What is Theresa Rehg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Theresa Rehg enrolled in Medicare?
Yes. Theresa Rehg 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 Theresa Rehg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Rehg reassigns Medicare benefits to 3 organizations: Mercy Clinic East Communities (Saint Louis, MO), Washington University (Saint Louis, MO) and Signify Health, LLC (Dallas, TX). 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 Theresa Rehg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Rehg accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Theresa Rehg 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 Theresa Rehg affiliated with any hospitals?
According to CMS data, Theresa Rehg is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Theresa Rehg was last updated on October 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.