MRS. KAREN MERKEL FNP-C
NPI 1093109340
Nurse Practitioner - Family in Austin, TX
About Mrs. Karen Merkel Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KAREN MERKEL FNP-C (NPI 1093109340) is an individual family provider in Austin, Texas, licensed in Texas (AP127465) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center - Round Rock, and is a graduate of Other (2014).
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. Karen Merkel Fnp-c 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
4Medicare enrollment records show Karen Merkel reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78712
- Reassigned Medicare billing, Texas enrollment
- 1,188 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Pflugerville, TX 78660
- Reassigned Medicare billing, Texas enrollment
- 2,795 clinicians in this Medicare group
Waco, TX 76712
- Reassigned Medicare billing, Texas enrollment
- 176 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 9
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor Scott & White Medical Center - Round Rock
Acute Care Hospitals · Round Rock, TXBaylor Scott & White Medical Center- Austin
Acute Care Hospitals · Austin, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78749 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.
AUSTIN, TX 78749
AUSTIN, TX 78749
AUSTIN, TX 78749
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 Karen Merkel's NPI number?
The NPI number for Karen Merkel is 1093109340. It was assigned to this individual provider in the NPPES registry on March 25, 2015.
Where is Karen Merkel located?
Karen Merkel practices at 5000 W Slaughter Ln, Austin, TX 78749. The listed phone number is (512) 654-4000.
What is Karen Merkel's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karen Merkel enrolled in Medicare?
Yes. Karen Merkel 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 Karen Merkel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Merkel reassigns Medicare benefits to 4 organizations: Seton Family Of Doctors (Austin, TX), Longhorn Emergency Medical Associates PA (Austin, TX), Scott & White Clinic (Pflugerville, TX) and Providence Health Alliance (Waco, 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 Karen Merkel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Merkel accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Oscar Insurance Company and 1 other insurer list Karen Merkel 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 Karen Merkel affiliated with any hospitals?
According to CMS data, Karen Merkel is affiliated with Baylor Scott & White Medical Center - Round Rock and Baylor Scott & White Medical Center- Austin.
When was this NPI record last updated?
The NPPES record for Karen Merkel was last updated on January 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mrs. Karen Merkel, FNP-C · NPI 1093109340
Family physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since March 25, 2015.
## Identity
- **NPI:** 1093109340 (Entity type: Individual)
- **Enumerated:** March 25, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP127465 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5000 W SLAUGHTER LN, Austin, TX 78749-3997
- **Phone:** (512) 654-4000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Seton Family Of Doctors (NPI 1588997233, Austin, TX); Longhorn Emergency Medical Associates PA (NPI 1649669672, Austin, TX); Scott & White Clinic (NPI 1679691729, Pflugerville, TX); Providence Health Alliance (NPI 1932210838, Waco, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 20, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1093109340) · Data from the CMS NPPES public registry.