Doctor profile · Federal record

Dr. John Provenza, MD

Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Winston Salem, NC

  • NPI 1508399346
  • Accepts Medicare
  • MIPS 98.3 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Medical Center Boulevard
Winston Salem, NC 271571900
(336) 713-7311
Additional location
625 19Th St S
Birmingham, AL 352331900
(205) 934-9666
Mailing address
Medical Center Blvd
Winston Salem, NC 271570001

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
June 12, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
North Carolina #2023-01626

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508399346. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
36
Distinct HCPCS
3
Medicare allowed
$5,892
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $165
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 12 12 $238
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 11 11 $81

In context: peer comparison

Among 23 peers in Winston Salem Gastroenterology Physician, average services per provider: 72. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
143
Patients
15
Total drug cost
$11,366
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 35 15 $1,062
Dicyclomine Hcl Generic 29 0 $492
Famotidine Generic 24 0 $279
Motegrity (Prucalopride Succinate) Brand 15 0 $7,999
Ondansetron Odt (Ondansetron) Brand 14 0 $485
Esomeprazole Magnesium Generic 13 0 $930
Omeprazole Generic 13 0 $118

Frequently asked questions

Auto-generated from federal data
What is Dr. John Provenza's medical specialty?
Dr. John Provenza practices Gastroenterology Physician in Winston Salem, NC.
Where does Dr. John Provenza practice?
Dr. John Provenza practices at Medical Center Boulevard, Winston Salem, NC 271571900. Office phone: 3367137311.
What is Dr. John Provenza's NPI?
Dr. John Provenza's National Provider Identifier (NPI) is 1508399346, issued by NPPES.
Does Dr. John Provenza accept Medicare assignment?
Yes. Dr. John Provenza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Provenza commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.