About Us

As the largest Pulmonary practice in our area, we have a complete staff of well trained doctors to assist with your pulmonary needs:

Dr. Naidu Chekuru, M.D., F.C.C.P

Education

Brooklyn-Cumberland Medical Center
Brooklyn, NY
Straight-Medical Internship
Residence in Internal Medicine
Fellowship in Pulmonary Disease

Government General Hospital
Kurnool Medical College
Postgraduate in Internal Medicine

S.V.R.R. Hospital
Tirupati, India
Rotating Internship

S.V. Medical School
Tirupati, India

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Dr. Mark Johnson, M.D., F.C.C.P

Education

Post- Pulmonary Medicine
University of Texas Medical

Resident Internal Medicine
University of Texas Medical

M.D. Medicine
University of Minnesota

B.A. Psychology, Pre Med
Macalester College

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Dr. Rodney Wertz, M.D., F.C.C.P

Education

Pulmonary and Critical Care Medicine
Loma Linda University Medical Center

Internal Medicine
Loma Linda University Medical Center

Loma Linda University
School of Medicine

Human Biology
Loma Linda University

Loma Linda University
La Sierra Campus

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Dr. Gary Smith, M.D., F.C.C.P

Education

Doctor of Medicine
University of New Mexico School of Medicine

Bachelors of Science (High Honors)
New Mexico State University

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Dr. Srinivas Kadiyala, M.D., F.C.C.P

Education

Fellowship Critical Care Medicine
Mt. Sinai Medical Center
New York, NY 10029

Fellowship in Pulmonary Medicine
Coney Island Hospital
Brooklyn, NY 11235

Residency in Internal Medicine
Coney Island Hospital
Brooklyn, NY 11235

Awarded MBBS degree
Nagarjuna University
A.P., India

Rotating Internship
Government General Hospital
Guntur, A.P., India

MBBS course
Guntur Medical College
Guntur, A.P., India

Intermediate Course - Major: Biology
J.K.C. College
Guntur, A.P., India

Primary & High School
Lutheran English Medium School
Guntur, A.P., India

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Dr. Shannon Rivas, M.D., F.C.C.P

Education

University of New Mexico Health Sciences Center
Pulmonary/Critical Care Fellow

Texas Tech University Health Sciences Center
Internal Medicine Resident

Texas Tech University Health Sciences Center
Doctor of Medicine

Texas Tech University
Bachelor of Science in Biology

The University of Texas
Pursued undergraduate degree

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Dr. Marque Hunter, M.D., D.A.B.S.M., F.C.C.P

Education

Fellowship/Pulmonary
University of Texas Medical Branch

Physician for The Texas Clipper Ship
Texas A&M University
Merchant Marine Training Ship

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Brian Paul Williams, M.D.

Education

The University of Texas Medical School at Houston
Doctor of Medicine (M.D)

Texas Tech University - Health Sciences Center
Clinical Laboratory Science (B.S)
Magna Cum Laude 

South Plains College
Pre-Med

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