Doctor profile · Federal record
Dr. John Tomaszewski, MD
Anatomic Pathology Physician (CMS: Pathology) · Buffalo, NY
- NPI 1417993601
- Accepts Medicare
- MIPS 87.3 / 100 · 2023
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 High St
Buffalo, NY 142031126
(716) 859-5600
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 10, 2011
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207ZP0101X — NUCC code
- State license (1)
- Pennsylvania #MD020859
- Medicaid
- PA #0011063450002
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417993601. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
168
Distinct HCPCS
5
Medicare allowed
$4,188
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88350 |
Antibody evaluation, each additional single antibody stain procedure | 84 | 14 | $28 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 44 | 14 | $11 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 14 | 14 | $35 | |
88346 |
Antibody evaluation, initial single antibody stain procedure | 14 | 14 | $34 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 12 | 12 | $33 |
In context: peer comparison
Among 8 peers in Buffalo Anatomic Pathology Physician, average services per provider: 88. This provider delivers 1.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. John Tomaszewski's medical specialty?
Dr. John Tomaszewski practices Anatomic Pathology Physician in Buffalo, NY.
Where does Dr. John Tomaszewski practice?
Dr. John Tomaszewski practices at 100 High St, Buffalo, NY 142031126. Office phone: 7168595600.
What is Dr. John Tomaszewski's NPI?
Dr. John Tomaszewski's National Provider Identifier (NPI) is 1417993601, issued by NPPES.
Does Dr. John Tomaszewski accept Medicare assignment?
Yes. Dr. John Tomaszewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Tomaszewski commonly perform?
Top Medicare-reported procedures in 2023: Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.