Dr. Ajay Kandra MD

Dr. Sameer Talwarkar MD

Speciality: Anatomic Pathology, Clinical Pathology, Hematopathology, and Molecular Genetic Pathology
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About Dr. Sameer Talwarkar MD

Dr. Sameer S. Talwalkar, M.D., is an experienced pathologist based in Tempe, Arizona, with over 20 years of clinical practice in diagnostic pathology. He specializes in the evaluation and diagnosis of a wide range of medical conditions through laboratory testing and tissue analysis, supporting accurate clinical decision-making and patient care. Dr. Talwalkar earned his medical degree from K.J. Somaiya Medical College, India. He is affiliated with Clark Memorial Hospital, where he contributes to high-quality diagnostic services. His clinical expertise includes histopathology, cytology, and laboratory medicine, with a focus on precision, accuracy, and timely reporting. He is recognized for his commitment to evidence-based practice and plays a vital role in collaborating with multidisciplinary teams to ensure effective diagnosis and treatment planning.

Certifications / Awards / Recognitions

Precision Immuno-Oncology (IO) ISH/IF Multiplex Panel
Society for Immunotherapy of Cancer (SITC) (2023)
Multispectral imaging to detect immune phenotypes
Society for Immunotherapy of Cancer (SITC) (2023)
Precision Immuno-Oncology (IO) ISH/IF Multiplex Panel
AACR (2023)
Multispectral imaging to detect immune phenotypes
AACR (2023)
40 under 40 Award
Louisville Business First (2017)
Commissioned as a Kentucky Colonel
Governor Matthew G. Bevin (2017)
Recognition for completion of 10-year MOC cycle
American Board of Pathology (ABPath) (2018)
Recognition certificate for conducting CAP Inspections
College of American Pathologists (CAP) (2015)
40 under 40 Honoree
American Society of Clinical Pathology (ASCP) (2015)
Recognition certificate for conducting CAP Inspections
College of American Pathologists (CAP) (2014)
Young Investigator Award Finalist
Association of Molecular Pathology (AMP) (2009)

Professional Experience

Institution Location Duration Position
Lanterne Dx Boulder, CO Feb 2022 – Present Pathologist & Laboratory Director
HTL Clinical Boulder, CO Sept 2019 – Dec 2021 Pathologist
Clinical Pathology Associates Inc (CPA Lab) Louisville, KY July 2009 – Present Hematopathologist and Medical Director of Molecular Diagnostics

Education & Training

Institution Location Year Program
University of Mumbai Mumbai, India 1995 Undergraduate (Major in Biology)
University of Mumbai Mumbai, India 2001 M.D.
Tata Institute of Fundamental Research (TIFR) Mumbai, India 2001-2002 Clinical Research Fellow
University of Southern California Keck School of Medicine Los Angeles, California 2002-2003 Research Fellow
U.T. M.D. Anderson Cancer Center Houston, Texas Sep & Oct 2005 Research Fellow
University of Louisville Hospital Louisville, KY 2003-2007 Resident, Anatomic & Clinical Pathology
U.T. M.D. Anderson Cancer Center Houston, Texas 2007-2008 Fellow, Hematopathology
University of Pittsburgh Pittsburgh, Pennsylvania 2008-2009 Fellow, Molecular Genetic Pathology

Research & Publications

Precision Immuno-Oncology (IO) ISH/IF Multiplex Panel: Spatial Detections of Cytokines and IO Biomarkers
Authors: Dennison B, Patel B, Allen S, Stapleton J, Archuleta R, Rath ML, Mehra N, Richards I, Talwalkar SS
Society for Immunotherapy of Cancer (SITC) • 2023
Multispectral imaging to detect immune phenotypes in pre and post therapy breast cancer patient specimens
Authors: Patel B, Dennison B, Allen S, Stapleton J, Archuleta R, Rath ML, Mehra N, Talwalkar SS.
Society for Immunotherapy of Cancer (SITC) • 2023
Precision Immuno-Oncology (IO) ISH/IF Multiplex Panel: Spatial Detections of Cytokines and IO Biomarkers
Authors: Dennison B, Patel B, Allen S, Stapleton J, Archuleta R, Rath ML, Mehra N, Richards I, Talwalkar S.
Clin Cancer Res • 2023
Multispectral imaging to detect immune phenotypes in pre and post therapy breast cancer patient specimens
Authors: Patel B, Dennison B, Allen S, Stapleton J, Archuleta R, Rath ML, Mehra N, Talwalkar SS.
Clin Cancer Res • 2023
An AI-based, automated workflow for identification and scoring of invasive tumors in Ki67 stained breast cancer specimens
Authors: Patel B, Allen S, Talwalkar S, Mehra N, Thagaard J, Ramsing TW, Overgaard A, Caldara J.
Clin Cancer Res• 2022
Methyltransferase (MGMT) Promoter Methylation in Glioblastoma Multiforme
Authors: Unknown
J Mol Diag • 2018
Double Minute Chromosomes in Acute Myeloid Leukemia, Myelodysplastic syndromes and Chronic myelomonocytic leukemia are associated with micronuclei, MYC or MLL amplification and complex cytogenetics
Authors: Huh YO, Tang G, Talwalkar SS, Khoury JD, Ohanian M, Bueso-Ramos CE, J, Abruzzo LV.
Cancer Genet • 2016
Antiparasitic and disease-modifying activity of Nycthanthes arbor-tristis Linn. In malaria: An exploratory clinical study
Authors: Godse CS, Tathed PS, Talwalkar SS, Vaidya RA, Amonkar AJ, Vaidya AB, Vaidya AD.
J Ayurveda Integr Med • 2016
Waldenstrom’s macroglobulinemia: a review of the entity and its differential diagnosis
Authors: Shaheen SP, Talwalkar SS, Lin P, Medeiros LJ.
Adv Anat Pathol • 2012
Paroxysmal nocturnal Hemoglobinuria. A case study and review of literature
Authors: Natarajan N, Talwalkar SS, Martin AW, Sharma VK.
J KMA • 2012
Assessment of TP53 alterations in patients with Li-Fraumeni syndrome developing myelodysplastic syndromes
Authors: Talwalkar SS, Yin CC, Strong LC, Abruzzo LV.
Arch Pathol Lab Med • 2010
Angioimmunoblastic T-cell lymphoma in bone Marrow: a morphologic and immunophenotypic study
Authors: Khokhar FA, Payne WD, Talwalkar SS, Jorgensen JL, Bueso-Ramos CE, Medeiros LJ, Vega F.
Hum Pathol • 2010
Concurrent t(14;18) and t(8;14) [8q24/c-MYC] Rearrangement in a Lymphoid Neoplasm is associated with Poor Prognosis
Authors: Talwalkar SS, Reddy KS, Shaheen SP.
Research Louisville 2006 • 2006
Assessment of Tumor Morphology and Antigenicity following Cryo-assisted Lumpectomy for Breast Carcinomas
Authors: Talwalkar SS, Chagpar AB, Lear S, Martin AW, Sahoo S.
Am J Clin Pathol • 2006
Diffuse Large B-cell Lymphoma and MALT-lymphoma of Breast uncommonly have MALT1 gene rearrangements
Authors: Valbuena JR, Talwalkar SS, Abruzzo LV, Admirand JH, Rassidakis GZ, Bueso-Ramos CE, Konoplev S, Medeiros LJ.
Mod Pathol • 2006
Angioimmunoblastic T-cell lymphoma, Diffuse large B-cell lymphoma and Hodgkin lymphoma associated with Epstein-Barr virus infection
Authors: Talwalkar SS, Shaheen SP, Yam L.
Am J Clin Pathol • 2005
Relationship between Troponin T and Ischemia Modified Albumin in patients with Chest Pain
Authors: Talwalkar SS, Bon Homme M, Miller JJ, Elin RJ.
Clin Chem • 2005
B-Type Natriuretic Peptide and Ischemia Modified Albumin are Independent Markers for Risk Assessment in patients with Acute coronary syndromes
Authors: Bon Homme M, Talwalkar SS, Miller JJ, Elin RJ.
Clin Chem • 2005
Correlation of laboratory values, genotypes and liver histology in hepatitis C
Authors: Talwalkar SS, Zhang L, Snyder J, McClain CJ, Ray MB.
Mod Pathol • 2005
Histologic evaluation of steatohepatitis and fibrosis (stage) in hepatitis C
Authors: Zhang L, Talwalkar SS, McClain CJ, Ray MB.
Mod Pathol • 2005
BACTEC detection of bacteria in platelet pools
Authors: Talwalkar SS, Kahwash EB, Leonard J, Redmond M, Garr J, Snyder J, Lockwood WB.
Research Louisville 2004 • 2004
Plasmodium DNA fluoresces with Berberine: A novel approach for diagnosis of malarial parasites
Authors: Talwalkar SS, Vaidya AB, Godse C, Vaidya A, Vaidya R.
Am J Clin Pathol • 2004
Immunohistochemical Localization of 17 beta-Hydroxysteroid Dehydrogenase Type 5 in normal and malignant endometrium
Authors: Talwalkar SS, Amezcua C, Qing J, Stolz A, Stanczyk F, Felix J.
Am J Clin Pathol • 2004
New Concepts and Recommendations for periods of Blood Shortage
Authors: Talwalkar SS, Leonard J, Gard K, Lockwood W.
Am J Clin Pathol • 2004
Atypical Presentation of anti-Rogers antibody
Authors: Kahwash E, Talwalkar SS, Leonard J, Lockwood W.
Association of Clinical Scientists • 2004
Quantification of Testosterone and its 5-alpha reduced metabolites in genital skin
Authors: Chang L, Talwalkar S, Saadat P, Ji Q, Paulson R, Stolz A, Stanczyk F.
J Soc Gynec Invest • 2003