SHIELA M FRIMML WHNP-BC
NPI 1902104011
Nurse Practitioner - Obstetrics & Gynecology in Festus, MO
About Shiela M Frimml Whnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHIELA M FRIMML WHNP-BC (NPI 1902104011) is an individual obstetrics & gynecology provider in Festus, Missouri, licensed in Missouri (2002007996) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Jefferson, and is a graduate of Other (2009).
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
Shiela M Frimml Whnp-bc 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 Shiela Frimml reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 744 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 3
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.
Mercy Hospital Jefferson
Acute Care Hospitals · Festus, 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.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Shiela Frimml's NPI number?
The NPI number for Shiela Frimml is 1902104011. It was assigned to this individual provider in the NPPES registry on March 14, 2011.
Where is Shiela Frimml located?
Shiela Frimml practices at 1400 Highway 61 Suite 340, Festus, MO 63028. The listed phone number is (636) 937-1545.
What is Shiela Frimml's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.
Is Shiela Frimml enrolled in Medicare?
Yes. Shiela Frimml 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 Shiela Frimml's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shiela Frimml reassigns Medicare benefits to Mercy Clinic East Communities (Saint Louis, 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 Shiela Frimml's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shiela Frimml accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Shiela Frimml 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 Shiela Frimml affiliated with any hospitals?
According to CMS data, Shiela Frimml is affiliated with Mercy Hospital Jefferson.
When was this NPI record last updated?
The NPPES record for Shiela Frimml was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Shiela M Frimml, WHNP-BC · NPI 1902104011
Obstetrics & Gynecology physician in Festus, Missouri. Individual provider, active in the CMS NPPES registry since March 14, 2011.
## Identity
- **NPI:** 1902104011 (Entity type: Individual)
- **Enumerated:** March 14, 2011
- **Primary specialty:** Nurse Practitioner - Obstetrics & Gynecology · taxonomy 363LX0001X
- **State license:** 2002007996 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 HIGHWAY 61, SUITE 340, Festus, MO 63028-4100
- **Phone:** (636) 937-1545 · **Fax:** (636) 937-8995
## 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:** Mercy Clinic East Communities (NPI 1720635329, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** May 12, 2026
- **Other identifiers:** Other 2002007996 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1902104011) · Data from the CMS NPPES public registry.