David Gass, MD

University	Degree	Focus	Graduated
Southern Il University School of Medicine- Springfield Il	Other Degree		1981
Southern Illinois University At Edwardsville	Other Degree		1981

Institution	Focus	Year
Residency - Mem Health University Medical Center		Not Specified
Residency - Wm Jennings B Dorn Va Hospital, Pulmonary Diseases; Mem Health-University Medical Center, Internal Medicine		Not Specified

Certification	Cert. Body	Year
Internal medicine Sub-Specialty: Pulmonary Disease	Internal Medicine	Not Specified

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Review by Anonymous on February 21, 2026 -

UT Health East Texas Physicians- Pulmonology (Fleishel) - 912 S. Fleishel Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Doc is a good communicator and e... ”

Doc is a good communicator and explained things very well.

Verified Patient

“Doc is a good communicator and e...”

Doc is a good communicator and explained things very well.

Anonymous 02/21/2026

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Review by Anonymous on January 31, 2026 -

UT Health East Texas Physicians- Pulmonology (Fleishel) - 912 S. Fleishel Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ BEST ALL AROUND FOR SURE... ”

BEST ALL AROUND FOR SURE

Verified Patient

“BEST ALL AROUND FOR SURE...”

BEST ALL AROUND FOR SURE

Anonymous 01/31/2026

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Review by Anonymous on January 18, 2026 -

UT Health East Texas Physicians- Pulmonology (Fleishel) - 912 S. Fleishel Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Gass is the best! Informativ... ”

Dr. Gass is the best! Informative, caring, extremely knowledgeable.

Verified Patient

“Dr. Gass is the best! Informativ...”

Dr. Gass is the best! Informative, caring, extremely knowledgeable.

Anonymous 01/18/2026

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Review by Anonymous on February 17, 2026 -

UT Health East Texas Physicians- Pulmonology (Fleishel) - 912 S. Fleishel Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I had a very good experience.... ”

I had a very good experience.

Verified Patient

“I had a very good experience....”

I had a very good experience.

Anonymous 02/17/2026

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Review by Anonymous on January 29, 2026 -

UT Health East Texas Physicians- Pulmonology (Fleishel) - 912 S. Fleishel Ave.

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ [...] was amazing in all regards... ”

[...] was amazing in all regards; attitude, disposition, professional, engaging. The best! Dr. Gass is the model for all Dr.s. The best!

Verified Patient

“[...] was amazing in all regards...”

[...] was amazing in all regards; attitude, disposition, professional, engaging. The best! Dr. Gass is the model for all Dr.s. The best!

Anonymous 01/29/2026

Office Hours

Internal Medicine Physician - Pulmonary Disease, Internal Medicine Physician - Critical Care Medicine

Highlights

Biography

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Summary

Provider Training

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Specialties

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Medical Specialties

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Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

UT Health East Texas Physicians- Pulmonology, an outpatient department of UT Health Tyler

UT Health Athens

Practice Colleagues

Jordan Dickerson, APRN, AGACNP-BC - Nurse Practitioner

Charles Pipes, NP - Nurse Practitioner

Cynthia Chaney, APRN, FNP-BC - Nurse Practitioner

Varalaxmi Nannaka, MD - Internal Medicine Physician

Carla Wang-Kocik, MD - Internal Medicine Physician

Ketan Patel, MBBS, MD, FCCP - Internal Medicine Physician

Kimberly Brown, APRN, FNP-BC - Nurse Practitioner

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance