Doctor profile · Federal record

Dr. Dennis Duma, Nurse Practitioner

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Ocala, FL

  • NPI 1598377020
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4534 Sw 63Rd St
Ocala, FL 344744802
(352) 804-8426

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State license (1)
Florida #11008687

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598377020. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$687
Transactions
74
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, Inc. 35 $255.97
ABBVIE INC. 26 $168.87
GENZYME CORPORATION 3 $101.64
AIMMUNE THERAPEUTICS, INC. 3 $42.09
Organon Llc 3 $33.83
Madrigal Pharmaceuticals 1 $29.69
Regeneron Healthcare Solutions, Inc. 1 $20.44
EVOKE PHARMA, INC. 1 $17.68
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $16.29

By nature of payment

Food and Beverage
$687

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
952
Patients
488
Total drug cost
$125,328
Drug Type Claims Patients Total cost
Famotidine Generic 316 159 $6,454
Pantoprazole Sodium Generic 230 127 $3,044
Sucralfate Generic 112 56 $19,064
Omeprazole Generic 102 53 $1,631
Dicyclomine Hcl Generic 41 28 $1,221
Linzess (Linaclotide) Brand 36 14 $37,193
Creon (Lipase/Protease/Amylase) Brand 21 12 $52,449
Esomeprazole Magnesium Generic 20 0 $1,165
Amoxicillin Generic 16 15 $71
Azithromycin Generic 15 0 $581

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Duma's medical specialty?
Dr. Dennis Duma practices Gerontology Nurse Practitioner in Ocala, FL.
Where does Dr. Dennis Duma practice?
Dr. Dennis Duma practices at 4534 Sw 63Rd St, Ocala, FL 344744802. Office phone: 3528048426.
What is Dr. Dennis Duma's NPI?
Dr. Dennis Duma's National Provider Identifier (NPI) is 1598377020, issued by NPPES.
Does Dr. Dennis Duma accept Medicare assignment?
Yes. Dr. Dennis Duma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.