Kanis Endoscopy Center

Our Physicians

Alonzo D. Williams, Sr., MD

Born: March 18 1951 in West Helena, AR

PRE-MEDICAL EDUCATION:

  • Arkansas State University, Jonesboro, AR
    1969-1973; B.S in Zoology; Minor in Chemistry
    1973-1974 ; Graduate work in School Of Business
  • University Of Arkansas for Medical Sciences, Little Rock, AR
    1975-1979; M.D. Degree
    1979-1980; Straight Medicine Intern
    1980-1982; Medicine Residency
    1982-1984; Gastroenterology Fellow

POSTGRAD.QUALIFICATIONS:

  • 1979 -Flex-December
  • 1983-American Board of Internal Medicine
  • Subspeciality: 1985-Gastroenterology, Eligible

Employment History:

  • 1979-1984 University of Arkansas for Medical Sciences (UAMS)
  • 1984-Present- Arkansas Diagnostic Center, P.A. ( Medical Director)

ACADEMIC APPOINTMENTS:

University of Arkansas for Medical Sciences, Little Rock, AR
1982-1984: Department of Medicine, Instructor 1985-Present: Clinical Instructor

PRESENT HOSPITAL APPOINTMENTS AS GASTROENTEROLOGY CONSULTANT:

  • Baptist Medical Center, Little Rock, AR
  • Baptist Rehabilitation Institute, Little Rock, AR
  • St. Vincent Infirmary, Little Rock, AR
  • St. Vincent Doctors Hospital, Little Rock, AR
  • Gastroenterology & Surgery Center of Arkansas, Little Rock, AR
  • Southwest Hospital, Little Rock, AR

PRESENT ADMINISTRATIVE RESPONSIBILITIES:

  • Owner, Chief Executive Officer & Medical Director
  • Gastroenterology & Surgery Center of Arkansas
  • Arkansas State Medical Board
  • 1994-2000 Secretary
  • 1985-2000 Member
  • First African American Appointee by then Governer-  Former President Bill Clinton
  • Chairman, World Trade Center, Memphis, TN
  • Majority Stockholder, Subsidiary of the World Trade Center, Memphis TN

PROFESSIONAL SOCIETIES:

  • National Medical Association
  • American Gastroenterology Association
  • Pulaski County Physicians’ Association
  • Pulaski County Medical Society
  • Arkansas Medical Society
  • Arkansas Medical, Dental, Pharmaceutical Association
  • American College of Gastroenterlogy
  • American Society of Gastrointestinal Endoscopies
  • 2006 100 Black Men Award for Health Services
  • 2006 AMDPA Distinguished Service Award for Meritorious Service
Stephen Anthony Ziller,III, M.D.

Stephen Anthony Ziller,III, M.D.

PRE-MEDICAL EDUCATION:

  • St Louis University, St Louis, Missouri
    1980-1984 Chemistry, B.S.
    May 1984 Graduate
  • Medical School, University of Cincinnati, OH
    1984-1988; M.D. Degree
    June 1988; Graduate, M.D.
    1988-1989; Internship, Internal Medicine
    UAMS, Little Rock, AR. 1989-1990; Medicine Residency, Internal Medicine
    UAMS, Little Rock, AR. 1990-1993; Fellowship Fellow
    UAMS, Little Rock, AR

WORK HISTORY

  • July1 , 1993- JUne 30, 1994; UAMS-Department Of Medicine,
    Division of Gastroenterolgy- Instructor
    1983-American Board of Internal Medicine
  • July 1, 1994- June 30, 1999; Medical Diagnostic Of Little Rock-Physician
  • July 1, 1999-Present Arkansas Diagnostic Center-Physician

LICENSURE: 
Arkansas # N-7800

CERTIFICATION:
1991-2001; Diplomate in Internal Medicine (#135849) 2001—–; Diplomate in Gastroenterology (#135849)

RESEARCH EXPERIENCE:

  • 1990-1994; Drs. Roger Lester & Peter Zimnak, Departments of Biochemistry and Molecular Biology & Internal Medicine
    Division Of Gastroenterology, UAMS, Clinical Investigator
  • 1985; Dr. M. T. Shipley, Department of Anatomy and Cell Biology, University of Cincinnati, Summer Research Fellowship
  • 1981-1984; Dr. William Elliot, Department of Biochemistry, St Louis University, Undergraduate Research
  • 1981; Dr. M. T. R., Subbiah, Lipid Research Clinic, University of Cincinnati, Summer Research

POSTERS & PRESENTATIONS:

  • 1991; Abstract/Poster on ” ATP-Dependent Organic-Organic Anion Transport”
  • at American Association for the Study of Liver Diseases
  • Single Topic Conference: Characterization of Membrane Transport Mechanisms.
  • 1991; Abstract/Poster on “Organic Anion Stimulated ATPase Activity” at American Gastroenterological Association Annual Meeting.
  • 1990; Clinical Case Presentation on “The Glucagonoma Syndrome” at American College of Physicians ( Arkansas Chapter) Scientific Meeting.
  • 1990; Abstract/Presentation on ” Cloning of the Glutathione Conjugate Transporter from Hepatic Canalicular Plasma Membrane” at UAMS Student Research Day (Housestaff Session)
  • 1989; Clinical Case Presentation on ” Rheumatoid Lung Disease Input to a Cortical Structure” at University of Cincinnati Student Research Day ( Medical Student Session)
  • 1985; Abstract/Poster on ” Neurophysiological Study at a Cholinergic Input to Cortical Structure” at University of Cincinnati Student Research Day ( Medical Student Session).

AWARDS & HONORS:

  • 1992-1992; Southern Medical Association Research Project Grant

PROFESSIONAL SOCITIES:

  • 1994- Crohn’s And Colitis Foundation of America
  • 1992-American Society of Gastrointestinal Endoscopy, Member
  • 1991-American College of Gastroenterology, Member
  • 1990-American Gastroenterological Association, Member
  • 1989-American College of Physicians, Member
  • 1988-Arkansas Medical Society, Member
  • 1984-American Medical Association, Member

ABSTRACT:

  • Zimniak, P; Ziller III, SA; Radominska, A; Blaauw, M; Wolters, H; Kuipers, F; Saxena, M; Singhal, S; Vonk, R;Awasthi, YC;Lester, R:”Photoaffinity Labeling and Partial Purification” of a Transporting Glutathione Conjugate-Dependent ATPase from Canalicular Rat Liver Plasma Membranes.” FASEB J 6: A117, 1992
  • Zimniak, P; Ziller III, SA; Radominska, A; Wolters, H; Kuipers, F; Sharma, R; Singhal, S; Vonk, R; Awasthi, YC; Lester, R: “Identification of an Anion-Transport ATPase in Normal and GY Rat Liver Canalicular Plasma Membranes that Catalyzes Glutathione Conjugate-Dependent AP Hydrolysis.” The American Association for the Study of Liver Diseases Single Topic Conference: Characterization of Membrane Transport Mechanisms, 1991.Zimniak, P; Ziller III, SA; Radominska, A; Wolters, H; Kuipers, F; Sharma, R; Vonk, R; Awasthi, YC; Lester, R: “Identification of an ATP-Dependent Glutathione Conjugate Transporter in Canalicular Plasma Mebranes from Normal Rats and Rats with Conjugated Hyperbilirubinemia (GY Mutant).” Gastroenterology 100 (5): A816, 1991.

PUBLICATIONS:
Awasthi, S; Singhal, SS; Srivastava, SK; Zimniak, P; Bajpai, KK; Saxena, J; Sharma, R; Ziller III, SA; Frenkel, E; Singh, SV; He, NG; Awasthi, YC: “Adenosine Triphosphate-Dependent Transport of Doxorubicin, Dauomycin, and Vinblastine in Human Tissues by a Mechanism Distinct from the P-Glycoprotein.” Invest. 93: 958, 1994

Ziller III, SA

    and Netchvolodoff, CV: “Uncomplicated Peptic Ulcer Disease: An Overview of Formation and Treatment.” Postgraduate Medicine 93 (4): 126, 1993

Zimniak, P; Ziller III, SA

    • ; Panfil, I; Radominska, A; Wolters, H; Kuipers, F; Sharma, R; Saxena, M; Moslen, Mt; Vore, M; Vonk, R; Awasthi, Y; Lester, R: “Identification of an Anion-Transport ATPase that Catalyzes Glutathione Conjugate-Dependent ATP Hyydrolysis in Canalicular Plasma Membranes from Normal Rats and Rats with Conjugated Hyperbilirubinemia (GY Mutant).” Archives of Biochemistry and Biophysics 292 (2): 534, 1992

Wey, HE; Ziller III, SA

      • ; Subbiah, MTR: “Specific Effect of Dietary Saturated Fat on Rat Aortic 6-keto-PGF (1-alpha) Synthesis.” Prostaglandins, Leukotrienes and Medicine 12: 169, 1983.