LIZA OPPER THALHEIMER M.D.
NPI 1720249469
Surgery in Houston, TX
About Liza Opper Thalheimer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIZA OPPER THALHEIMER M.D. (NPI 1720249469) is an individual surgery provider in Houston, Texas, licensed in Texas (R0334) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of West Virginia University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
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
Liza Opper Thalheimer 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.
Medicare Billing Reassignments
2Medicare enrollment records show Liza Thalheimer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77079
- Reassigned Medicare billing, Texas enrollment
- 35 clinicians in this Medicare group
Fort Worth, TX 76132
- Reassigned Medicare billing, Texas enrollment
- 37 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77005 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Liza Thalheimer's NPI number?
The NPI number for Liza Thalheimer is 1720249469. It was assigned to this individual provider in the NPPES registry on June 24, 2008.
Where is Liza Thalheimer located?
Liza Thalheimer practices at 5585 Weslayan St, Houston, TX 77005. The listed phone number is (800) 991-6117.
What is Liza Thalheimer's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Liza Thalheimer enrolled in Medicare?
Yes. Liza Thalheimer 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 Liza Thalheimer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Liza Thalheimer reassigns Medicare benefits to 2 organizations: Srinivas Rao MD PA (Houston, TX) and Texas Uvc Medical PLLC (Fort Worth, 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 Liza Thalheimer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Liza Thalheimer accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 7 other insurers list Liza Thalheimer 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.
When was this NPI record last updated?
The NPPES record for Liza Thalheimer was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Liza Opper Thalheimer, M.D. · NPI 1720249469
Surgery physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since June 24, 2008.
## Identity
- **NPI:** 1720249469 (Entity type: Individual)
- **Enumerated:** June 24, 2008
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** R0334 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 5585 WESLAYAN ST, Houston, TX 77005-1941
- **Phone:** (800) 991-6117
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Srinivas Rao MD PA (NPI 1972941318, Houston, TX); Texas Uvc Medical PLLC (NPI 1447023528, Fort Worth, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** West Virginia University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** February 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1720249469) · Data from the CMS NPPES public registry.