Doctor profile · Federal record

Dr. Vincent Duenas, MD

Hospitalist Physician (CMS: Hospitalist) · Family Medicine Physician · O Fallon, IL

  • NPI 1083142152
  • Accepts Medicare
  • MIPS 83.3 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Saint Elizabeth Blvd
O Fallon, IL 622691099
(618) 234-2120

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
October 31, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Illinois #036.152811 · Illinois #125-070791

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083142152. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
972
Distinct HCPCS
5
Medicare allowed
$114,187
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 645 212 $119
99239 Hospital discharge day management, more than 30 minutes 169 161 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 68 43 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 57 56 $174
99497 Advance care planning, first 30 minutes 33 29 $75

In context: peer comparison

Among 2 peers in this city , average services per provider: 167. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
139
Patients
110
Total drug cost
$1,040
Drug Type Claims Patients Total cost
Cefdinir Generic 21 21 $287
Atorvastatin Calcium Generic 18 15 $188
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 15 $68
Pantoprazole Sodium Generic 15 14 $119
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 14 0 $150
Clopidogrel (Clopidogrel Bisulfate) Brand 12 12 $58
Carvedilol Generic 11 0 $47
Furosemide Generic 11 11 $31
Potassium Chloride Generic 11 11 $64
Prednisone Generic 11 11 $28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Vincent Duenas's medical specialty?
Dr. Vincent Duenas practices Hospitalist Physician in O Fallon, IL.
Where does Dr. Vincent Duenas practice?
Dr. Vincent Duenas practices at 1 Saint Elizabeth Blvd, O Fallon, IL 622691099. Office phone: 6182342120.
What is Dr. Vincent Duenas's NPI?
Dr. Vincent Duenas's National Provider Identifier (NPI) is 1083142152, issued by NPPES.
Does Dr. Vincent Duenas accept Medicare assignment?
Yes. Dr. Vincent Duenas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vincent Duenas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.