1. Home
  2. Directory
  3. Texas
  4. Cedar Park
  5. Obstetrics Gynecology
  6. NPI Profile

KARLA TERESA WALLER M.D.
NPI 1174880827
Obstetrics & Gynecology in Cedar Park, TX

Active since April 19, 2012PECOS EnrolledAccepts Medicare Assignment
1401 MEDICAL PKWY STE 125, CEDAR PARK, TX 78613(512) 528-7385(512) 528-7386 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 27, 2026, May 27, 2025, Jun 18, 2021 and 3 more (6 updates tracked since 2016).

About Karla Teresa Waller M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KARLA TERESA WALLER M.D. (NPI 1174880827) is an individual obstetrics & gynecology provider in Cedar Park, Texas, licensed in Texas (P8880) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, is affiliated with Cedar Park Regional Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (2012).

NPPES Registry Identity

NPI1174880827
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKARLA TERESA WALLERCredential: M.D.
Location Address1401 MEDICAL PKWY STE 125Cedar Park, TX 78613-7763
Mailing Address1401 Medical Pkwy Ste 125Cedar Park, TX 78613-7763 · (512) 528-7385 · Fax (512) 528-7386
Phone(512) 528-7385
Fax(512) 528-7386
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2012
Enumeration DateApril 19, 2012
Last NPPES UpdateJuly 27, 20266 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1174880827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · P8880
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1401 MEDICAL PKWY STE 125, Cedar Park, TX 78613
Open in Google Maps ↗

Other Names 1

Former Name (1)Karla Teresa Davila M.d

Other Identifiers 2

Medicaid404899301TX
Medicaid404899302TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Karla Teresa Waller M.d. 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.

PECOS PAC ID7012349889
PECOS Enrollment IDI20191115001698
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Karla Waller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Seton Family Of Doctors
11 mi
Family Medicine
3001 PALM WAY, D1 : 134-138
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • 1,188 clinicians in this Medicare group
NPI 1225644065 (512) 324-5938
Austin Regional Clinic, PA
16 mi
Family Medicine
6210 E US HWY 290, SUITE 420 - CREDENTIALING
Austin, TX 78723
  • Reassigned Medicare billing, Texas enrollment
  • 461 clinicians in this Medicare group
NPI 1821157579 (512) 231-5516

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

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cedar Park Regional Medical Center

Acute Care Hospitals · Cedar Park, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number670043
Location1401 Medical ParkwayCedar Park, TX 78613 · Williamson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78613 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HONG-NGOC PHAM
Clinical Nurse Specialist (Gerontology)
1401 MEDICAL PKWY STE 125
CEDAR PARK, TX 78613
Williamson County (512) 505-5500

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 Karla Waller's NPI number?

The NPI number for Karla Waller is 1174880827. It was assigned to this individual provider in the NPPES registry on April 19, 2012. The provider is also known as Karla Teresa Davila M.D.

Where is Karla Waller located?

Karla Waller practices at 1401 Medical Pkwy Ste 125, Cedar Park, TX 78613. The listed phone number is (512) 528-7385.

What is Karla Waller's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Karla Waller enrolled in Medicare?

Yes. Karla Waller 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 Karla Waller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karla Waller reassigns Medicare benefits to 2 organizations: Seton Family Of Doctors (Austin, TX) and Austin Regional Clinic, PA (Austin, 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 Karla Waller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karla Waller accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Karla Waller 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 Karla Waller affiliated with any hospitals?

According to CMS data, Karla Waller is affiliated with Cedar Park Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Karla Waller was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.