Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1417993601 Individual Practitioner Male Practitioner

Dr. John E Tomaszewski , MD

Pathology - Anatomic Pathology • Buffalo, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Tomaszewski, MD is a certified Pathology - Anatomic Pathology practicing in Buffalo, NY. With approximately 49 years of clinical experience since graduating from Perelman School Of Med At The University Of Pennsylvania in 1977, Dr. Tomaszewski delivers high-quality medical care to the local community at 100 HIGH ST.

Dr. Tomaszewski is affiliated with University At Buffalo Pathologists Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include antibody evaluation, special stained specimen slides to examine tissue including interpretation and report, special stained specimen slides to examine tissue. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

100 High St

Buffalo, NY 142031126

Telephone 7168595600
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Perelman School Of Med At The University Of Pennsylvania

Graduation Year

1977

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Buffalo, NY

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
49 Yrs +14.6 yrs vs City Avg
City Avg: 34.4 Yrs
State Avg: 34.4 Yrs
Regional Practice Density
20 Specialists

Practicing in Buffalo, NY (408 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
33.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tomaszewski (49 Years) 49 Yrs
Buffalo Specialty Average (34.4 Years) 34.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
88350 Antibody evaluation, each additional single antibody stain procedure
162 24 $40.00 $25.71
88313 Special stained specimen slides to examine tissue including interpretation and report
83 22 $16.00 $10.67
88341 Special stained specimen slides to examine tissue
33 13 $35.00 $24.74
88305 Pathology examination of tissue using a microscope, intermediate complexity
27 24 $55.00 $33.07
88346 Antibody evaluation, initial single antibody stain procedure
25 22 $51.00 $31.88
88342 Special stained specimen slides to examine tissue, initial procedure
21 19 $50.00 $30.91
88348 Electron microscopy for diagnosis
15 14 $89.00 $68.19

Medical Specialties & State Licenses

Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License PA MD020859

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
0011063450002 (PA)

Hospital & Practice Group Affiliations

University At Buffalo Pathologists Inc

1540 Maple Rd, Williamsville, NY 142213647

Phone: 7165683600

University At Buffalo Pathologists Inc

462 Grider St, Buffalo, NY 142153021

Phone: 7168983000

University At Buffalo Pathologists Inc

115 Flint Rd, Williamsville, NY 142213058

Phone: 7166267200

University At Buffalo Pathologists Inc

100 High St, Buffalo, NY 142031126

Phone: 7168595600

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Andrew Poreda , MD

Emergency Medicine

NPI 1003041187

Doctor of Medicine (M.D.)

NPI 1003138637

NURSEPRACTITIONER

NPI 1003557281

Doctor of Medicine (M.D.)

Dr. Guy Dunetz , MD

Student in an Organized Health Care Education/Training Program

NPI 1003619800

Doctor of Medicine (M.D.)

Dr. Jill Frasco , DO

Student in an Organized Health Care Education/Training Program

NPI 1003669227

Doctor of Osteopathic Medicine (D.O.)

Gordon Bolles , NP

Nurse Practitioner

NPI 1013538461

Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active October 10, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location October 10, 2011

Registered at 100 HIGH ST, BUFFALO, NY 142031126 (Tel: 7168595600)

📍
Updated Business Mailing Address October 10, 2011

Registered at 100 HIGH ST, BUFFALO, NY 142031126 (Tel: 7168595600)

👤
Provider Name / Credentials Updated October 10, 2011

Recorded as JOHN TOMASZEWSKI, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 10, 2011

Pathology (License #MD020859 in PA)

🟢
Initial NPI Registration & Enumeration June 22, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1417993601
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 22, 2006
Last Update: October 10, 2011
Sole Proprietor: No

Mailing Address

100 High St

Buffalo, NY 142031126

Phone: 7168595600

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.