DR. GEORGE O ZENNER III M.D.
NPI 1184618001
Family Medicine in Houston, TX

Q: What is George Zenner's NPI number?

The NPI number for George Zenner is 1184618001. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Q: What is George Zenner's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for George Zenner was last updated on February 26, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since September 07, 2005PECOS EnrolledCLIA 45D1012426 · Waiver

5757 WOODWAY DR, STE 260, HOUSTON, TX 77057(713) 977-0971(713) 977-0992 Get Directions Write a Review

NPPES record last updated: February 26, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. George O Zenner Iii M.d. NPPES

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

DR. GEORGE O ZENNER III M.D. (NPI 1184618001) is an individual family medicine provider in Houston, Texas, licensed in Texas (H2977) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through July 26, 2027, and is affiliated with Memorial Hermann Memorial City Hospital.

NPPES Registry Identity

NPI1184618001

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. GEORGE O ZENNER IIICredential: M.D.

Location Address5757 WOODWAY DR, STE 260Houston, TX 77057-1514

Mailing Address5757 Woodway Dr, Suite 260Houston, TX 77057-1514 · (713) 977-0971 · Fax (713) 977-0992

Phone(713) 977-0971

Fax(713) 977-0992

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1986

Enumeration DateSeptember 7, 2005

Last NPPES UpdateFebruary 26, 2008

✔ NPI 1184618001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in TX · H2977

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

5757 WOODWAY DR, Houston, TX 77057

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Other Identifiers 2

Medicare PIN00856HTX

Medicare UPIND69320TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. George O Zenner Iii M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214908961

PECOS Enrollment IDI20040804001800

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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D1012426

George O Zenner, III, MD · Houston, TX

Active · expires Jul 26, 2027

CLIA Number45D1012426

Laboratory TypePhysician Office

Certificate Effective DateJuly 27, 2025

Certificate Expiration DateJuly 26, 2027

Laboratory DirectorGeorge O. Zenner, III, MD

Laboratory Phone(713) 977-0971

Laboratory LocationGeorge O Zenner, III, MD5757 Woodway, Ste 260, Houston, TX 77057

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 15

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

373 services124 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

307 services139 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

231 services124 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

136 services101 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

105 services98 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

96 services35 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

87 services87 patients

Stool analysis for blood to screen for colon tumors 82270

A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.

85 services85 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

78 services78 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

31 services26 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

15 services13 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

13 services12 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

11 services11 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

11 services11 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450610

Location921 GessnerHouston, TX 77024 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77057 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

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier34 claims34 services$24.02 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

JENCY MIGNON MCCLAIN MS CCC SLP

Speech-Language Pathologist

5757 WOODWAY DR, SUITE 125
HOUSTON, TX 77057

Harris County (713) 787-5015

DEBRA STEPPE

Counselor (Mental Health)

5757 WOODWAY DR
HOUSTON, TX 77057

Harris County (346) 833-5905

DANYELLE TALLEY

Case Manager/Care Coordinator

5757 WOODWAY DR
HOUSTON, TX 77057

Harris County (713) 340-6833

MR. WILLIAM CASE PT

Physical Therapist

5757 WOODWAY DR, STE 140
HOUSTON, TX 77057

Harris County (713) 840-8100

DR. MEI-FUN TSAI O.M.D., PH.D.

Acupuncturist

5757 WOODWAY DR, SUITE 170
HOUSTON, TX 77057

Harris County (713) 463-9063

NAIYER CHADHA M.D.

Pediatrics

5757 WOODWAY DR, 200
HOUSTON, TX 77057

Harris County (713) 782-4830

MISS IRENE OKORONKWO NP

Nurse Practitioner (Psychiatric/Mental Health)

5757 WOODWAY DR
HOUSTON, TX 77057

Harris County (832) 778-6750

TESSY KADAVIL M.D.

Pediatrics

5757 WOODWAY DR, SUITE 200
HOUSTON, TX 77057

Harris County (713) 782-4830

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 George Zenner's NPI number?

The NPI number for George Zenner is 1184618001. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Where is George Zenner located?

George Zenner practices at 5757 Woodway Dr Ste 260, Houston, TX 77057. The listed phone number is (713) 977-0971.

What is George Zenner's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is George Zenner enrolled in Medicare?

Yes. George Zenner is registered in the Medicare PECOS enrollment system.

Does George Zenner hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1012426) is associated with this NPI, valid through July 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does George Zenner accept?

Health plans from UnitedHealthcare list George Zenner 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 George Zenner affiliated with any hospitals?

According to CMS data, George Zenner is affiliated with Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for George Zenner was last updated on February 26, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

About Dr. George O Zenner Iii M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Other Identifiers 2

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare Enrollment Status

CLIA Laboratory Certificates CMS CLIA

Certificate of Waiver · 45D1012426

Areas of Expertise CMS Part B claims 15

Hospital Affiliations CMS Care Compare

Memorial Hermann Memorial City Hospital

Physician Visit Costs CMS claims · ZIP area

Referred Medical Equipment & Supplies CMS DME claims

Other Providers at the Same Location NPPES 20

Frequently Asked Questions NPPES & CMS

What is George Zenner's NPI number?

Where is George Zenner located?

What is George Zenner's specialty?

Is George Zenner enrolled in Medicare?

Does George Zenner hold a CLIA laboratory certificate?

What insurance does George Zenner accept?

Is George Zenner affiliated with any hospitals?

When was this NPI record last updated?

Certificate of Waiver 45D1012426