Doctor profile · Federal record

Dr. Patrick Duncan, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Saint Louis, MO

  • NPI 1326577172
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3009 N Ballas RD Ste 315A
Saint Louis, MO 631312324
(314) 996-4700

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
August 17, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Missouri #1228749

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326577172. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
349
Distinct HCPCS
7
Medicare allowed
$33,164
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 151 47 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 52 49 $122
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 43 20 $48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 34 31 $127
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $159
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 15 15 $87

In context: peer comparison

Among 40 peers in Saint Louis Pulmonary Disease Physician, average services per provider: 94. This provider delivers 3.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,662
Transactions
71
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 15 $319.67
GlaxoSmithKline, LLC. 17 $289.35
Boehringer Ingelheim Pharmaceuticals, INC. 6 $181.57
Regeneron Healthcare Solutions, INC. 5 $170.30
Merck Sharp & Dohme LLC 4 $104.63
Genzyme Corporation 3 $76.33
Tactile Systems Technology INC 2 $71.70
Philips North America LLC 3 $70.59
Insmed, INC. 3 $69.78
Amgen INC. 4 $64.68
Mylan Specialty L.P. 2 $41.53
Electromed, INC. 4 $33.25
3B Medical, INC. 1 $31.71
Takeda Pharmaceuticals U.S.A., INC. 1 $30.66
Abbvie INC. 1 $24.55

By nature of payment

Food and Beverage
$1,662

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
272
Patients
172
Total drug cost
$92,955
Drug Type Claims Patients Total cost
Prednisone Generic 43 35 $192
Azithromycin Generic 35 21 $374
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 34 25 $1,021
Arexvy (Rsvpref3 Antigen/As01e/Pf) Brand 32 32 $10,285
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 32 20 $32,492
Symbicort (Budesonide/Formoterol Fumarate) Brand 28 15 $12,405
Montelukast Sodium Generic 24 13 $407
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 20 0 $9,610
Pirfenidone Generic 12 0 $22,124
Varenicline Tartrate Generic 12 11 $4,044

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Duncan's medical specialty?
Dr. Patrick Duncan practices Pulmonary Disease Physician in Saint Louis, MO.
Where does Dr. Patrick Duncan practice?
Dr. Patrick Duncan practices at 3009 N Ballas RD Ste 315A, Saint Louis, MO 631312324. Office phone: 3149964700.
What is Dr. Patrick Duncan's NPI?
Dr. Patrick Duncan's National Provider Identifier (NPI) is 1326577172, issued by NPPES.
Does Dr. Patrick Duncan accept Medicare assignment?
Yes. Dr. Patrick Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Duncan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.