LIZA OPPER THALHEIMER M.D.
NPI 1720249469
Surgery in Houston, TX

Active since June 24, 2008PECOS EnrolledAccepts Medicare Assignment
5585 WESLAYAN ST, HOUSTON, TX 77005(800) 991-6117 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Mar 31, 2025, Jan 18, 2023, Aug 10, 2022 and 1 more (4 updates tracked since 2017).

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

NPI1720249469
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameLIZA OPPER THALHEIMERCredential: M.D.
Location Address5585 WESLAYAN STHouston, TX 77005-1941
Mailing Address3820 Northdale Blvd Ste 201Tampa, FL 33624-1893 · (800) 991-6117 · Fax (888) 812-8191
Sole ProprietorNo
Medical School CMSWest Virginia University School Of MedicineGraduated 2008
Enumeration DateJune 24, 2008
Last NPPES UpdateFebruary 19, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2026
NPI 1720249469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in TX · R0334
Definition
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 soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedPhlebologyTaxonomy 202K00000X · License R0334 (TX)
5585 WESLAYAN ST, Houston, TX 77005

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID8921387218
PECOS Enrollment IDI20161109000338
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.

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.

Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
14 services14 patients

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.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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 3

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

Specialist
5585 WESLAYAN ST
HOUSTON, TX 77005
Surgery (Vascular Surgery)
5585 WESLAYAN ST
HOUSTON, TX 77005
Specialist
5585 WESLAYAN ST
HOUSTON, TX 77005

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.

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 6 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.