Doctor profile · Federal record

Dr. Nicholas Katz, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Warren, OH

  • NPI 1548246978
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1932 Niles Cortland RD Ne
Warren, OH 444841055
(330) 306-5258
fax (330) 306-5259

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Ohio #35.135876

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548246978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
167
Distinct HCPCS
4
Medicare allowed
$23,291
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 69 66 $107
45380 Biopsy of large bowel using a flexible endoscope 40 40 $138
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 40 39 $242
43450 Dilation of esophagus 18 18 $40

In context: peer comparison

Among 3 peers in Warren Gastroenterology Physician, average services per provider: 47. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$360
Transactions
16
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 5 $115.73
Abbvie INC. 5 $98.74
Qol Medical, LLC 2 $62.51
Regeneron Healthcare Solutions, INC. 2 $47.25
Organon LLC 1 $20.36
Madrigal Pharmaceuticals 1 $15.29

By nature of payment

Food and Beverage
$360

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
52
Patients
31
Total drug cost
$937
Drug Type Claims Patients Total cost
Omeprazole Generic 33 20 $627
Pantoprazole Sodium Generic 19 11 $310

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Katz's medical specialty?
Dr. Nicholas Katz practices Gastroenterology Physician in Warren, OH.
Where does Dr. Nicholas Katz practice?
Dr. Nicholas Katz practices at 1932 Niles Cortland RD Ne, Warren, OH 444841055. Office phone: 3303065258.
What is Dr. Nicholas Katz's NPI?
Dr. Nicholas Katz's National Provider Identifier (NPI) is 1548246978, issued by NPPES.
Does Dr. Nicholas Katz accept Medicare assignment?
Yes. Dr. Nicholas Katz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Katz commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.