Doctor profile · Federal record

Dr. Denis Stewart, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Specialist · New Port Richey, FL

  • NPI 1356389696
  • Accepts Medicare
  • MIPS 77.0 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5539 Marine Pkwy
New Port Richey, FL 346524329
(727) 841-8225
fax (724) 846-8549
Mailing address
Po Box 1175
New Port Richey, FL 346561175

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 14, 2013
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Florida #0063242
Medicaid
FL #379616700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356389696. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,155
Distinct HCPCS
10
Medicare allowed
$345,852
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 6,810 81 $0
77067 Screening mammography 237 237 $122
77063 Screening 3d breast mammography 138 138 $51
71250 Ct scan of chest without contrast 118 117 $130
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 114 111 $1,091
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries 110 105 $425
71046 X-ray of chest, 2 views 104 104 $33
77080 Dxa bone density measurement of hip, pelvis, spine 95 95 $36
72148 Mri scan of lower spinal canal without contrast 62 62 $185
72141 Mri scan of upper spinal canal without contrast 33 33 $174

In context: peer comparison

Among 4 peers in this city , average services per provider: 258. This provider delivers 32× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Denis Stewart's medical specialty?
Dr. Denis Stewart practices Diagnostic Radiology Physician in New Port Richey, FL.
Where does Dr. Denis Stewart practice?
Dr. Denis Stewart practices at 5539 Marine Pkwy, New Port Richey, FL 346524329. Office phone: 7278418225.
What is Dr. Denis Stewart's NPI?
Dr. Denis Stewart's National Provider Identifier (NPI) is 1356389696, issued by NPPES.
Does Dr. Denis Stewart accept Medicare assignment?
Yes. Dr. Denis Stewart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Denis Stewart commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.