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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Tomaszewski:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

5.0
  •  
(1)
Patient comments (0)

The overall average patient rating of Dr. John Tomaszewski is Excellent. Dr. Tomaszewski has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
  •  
Accurate Diagnosis 5.0
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Bedside Manner 5.0
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Spends Time with Me 3.7
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Follows Up After Visit 3.7
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Specialties & Research

Dr. John Tomaszewski, MD is board certified in Anatomic Pathology & Clinical Pathology and Immunopathology.

  • He has special expertise in 18 areas:
  • Adenoma (Warthin's tumor)
  • Amyloidosis
  • Angiomyolipoma
  • Breast Cancer
  • Carcinoma
  • Enlarged Prostate (Prostatic Hyperplasia)
  • Glandular Cancer (Adenocarcinoma)
  • Herpesviridae Infections
  • Kidney Cancer
  • Kidney Cancer (Renal Cell Carcinoma)
  • Kidney Disease
  • Liver Cancer
  • Lymphoproliferative Disorders
  • Prostate Cancer (Prostatic Neoplasm)
  • Prostate Surgery (Prostatectomy)
  • Urinary Bladder Cancer
  • Urinary Bladder Cancer (Transitional Cell Carcinoma)
  • Uterine Cancer

Education & Awards

Dr. Tomaszewski graduated from University of Pennsylvania , Philadelphia. He has 10 awards.

Awards  
One of America's Leading Experts on:
Angiomyolipoma
Carcinoma
Glandular Cancer (Adenocarcinoma)
Kidney Cancer (Kidney Neoplasm)
Kidney Cancer (Renal Cell Carcinoma)
Lymphoproliferative Disorders
Prostate Cancer (Prostatic Neoplasm)
Prostatectomy
Castle Connolly America's Top Doctors® (2005 - 2008, 2010 - 2014)
Castle Connolly America's Top Doctors® for Cancer (2005 - 2007, 2009 - 2012, 2014)

Affiliations

Dr. Tomaszewski has 1 hospital affiliations:

  • Clinical Practices of the University of Pennsylvania 

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Additional Information
Dr. John Edward Tomaszewski MD is a male Pathologist, has 34 years of experience and practices in Pathology, Anatomic Pathology & Clinical Pathology, Immunopathology, Anatomic Pathology, and Clinical Pathology.
Where does Dr. John E. Tomaszewski practice?
Dr. John Tomaszewski has 1 office location.
Dr. John Tomaszewski practices Pathology, Anatomic Pathology & Clinical Pathology, Immunopathology, Anatomic Pathology, and Clinical Pathology near Buffalo, NY.
See Buffalo Pathologists.