MOLLIE SIGLER APRN, FNP-C
NPI 1851207013
Nurse Practitioner - Family in Austin, TX
About Mollie Sigler Aprn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOLLIE SIGLER APRN, FNP-C (NPI 1851207013) is an individual family provider in Austin, Texas, licensed in Texas (1246231) and active in the NPI registry since August 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in Austin, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mollie Sigler Aprn, Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mollie Sigler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78717 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.
AUSTIN, TX 78717
AUSTIN, TX 78717
AUSTIN, TX 78717
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 Mollie Sigler's NPI number?
The NPI number for Mollie Sigler is 1851207013. It was assigned to this individual provider in the NPPES registry on August 19, 2026.
Where is Mollie Sigler located?
Mollie Sigler practices at 9835 N Lake Creek Pkwy, Austin, TX 78717. The listed phone number is (737) 229-2000.
What is Mollie Sigler's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mollie Sigler enrolled in Medicare?
Yes. Mollie Sigler is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mollie Sigler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mollie Sigler reassigns Medicare benefits to Texas Children's Physician Group (Houston, TX). 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 Mollie Sigler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mollie Sigler was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mollie Sigler, APRN, FNP-C · NPI 1851207013
Family physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since August 19, 2026.
## Identity
- **NPI:** 1851207013 (Entity type: Individual)
- **Enumerated:** August 19, 2026
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 1246231 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 9835 N LAKE CREEK PKWY, Austin, TX 78717-6210
- **Phone:** (737) 229-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Texas Children's Physician Group (NPI 1861675506, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851207013) · Data from the CMS NPPES public registry.