● Active Type 1 · Individual

Liza Opper Thalheimer, M.D.

Surgery·Houston, TX· NPI 1720249469 · Enumerated 2008 · 17 years on NPI

Thalheimer is 1 of 467 surgery providers in Houston and 1 of 3028 in Texas.

NPI age

17 years

Enumerated 2008-06-24

Primary specialty

Surgery

Plus 1 subspecialty

Licensed in

1 state

Status

Active

No deactivations on record

Last NPPES update

2026-02-19

Source: monthly bulk 2026-05

Sole proprietor

May be part of a larger org

How this provider compares

Across 3028 active surgery providers in Texas.

NPI age

17 years

≈ at median (18 yr)

State licenses

1 state

11% of peers hold multiple states

Subspecialties

In the 27% of peers with subspecialties

NPI lifetime · 2008 → 2026

2008-06Enumerated in NPPES

2008 2026

Where they practice

Practice location

5585 Weslayan St

Houston, TX 770051941

📞 8009916117

Mailing address

3820 Northdale Blvd Ste 201

Tampa, FL 336241893

📞 8009916117fax 8888128191

Specialties

Allopathic & Osteopathic Physicians › Surgery

Surgery Primary

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and...

TX license #R0334 taxonomy 208600000X
Phlebology

Phlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous...

TX license #R0334 taxonomy 202K00000X

Practice context

Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.

Recently enumerated nearby: 4 new surgery providers have been added in Houston in the last 180 days. See all →

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How to verify this provider

Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
Check the state license is currently active.State licensing boards publish current status; NPPES does not.
Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.