Doctor profile · Federal record

Dr. John Mwangi, M.D.

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

  • NPI 1699903831
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11133 Dunn RD, Ste 2427
Saint Louis, MO 631366119
(314) 653-5643
fax (314) 653-5648
Mailing address
670 Mason Ridge Center Dr, Ste 300
Saint Louis, MO 631418573

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
July 10, 2012
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Missouri #2012020694 · Missouri #2009013276

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699903831. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
494
Distinct HCPCS
10
Medicare allowed
$54,794
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 115 58 $210
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 110 50 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 64 37 $78
94726 Test to determine lung volumes using sensors 29 29 $12
94729 Test to examine how well the lungs exchange gases 29 29 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 29 24 $113
94060 Test to measure expiratory airflow and volume changes before and after medication administration 28 28 $10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $128
94618 Test for exercise-induced lung stress 20 20 $22
99214 Established patient office or other outpatient visit, 30-39 minutes 20 16 $96

In context: peer comparison

Among 109 peers in this city , average services per provider: 96. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$232
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $122.77
Actelion Pharmaceuticals US, Inc. 1 $109.21

By nature of payment

Food and Beverage
$232

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
608
Patients
53
Total drug cost
$3,988,343
Drug Type Claims Patients Total cost
Opsumit (Macitentan) Brand 135 16 $1,721,442
Furosemide Generic 79 24 $495
Adempas (Riociguat) Brand 65 0 $911,703
Sildenafil Citrate Generic 62 0 $21,813
Uptravi (Selexipag) Brand 50 0 $1,116,211
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 40 13 $1,014
Fluticasone Propionate Generic 28 0 $310
Montelukast Sodium Generic 26 0 $455
Adcirca (Tadalafil) Brand 24 0 $104,841
Tadalafil Generic 23 0 $5,306

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mwangi's medical specialty?
Dr. John Mwangi practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. John Mwangi practice?
Dr. John Mwangi practices at 11133 Dunn RD, Saint Louis, MO 631366119. Office phone: 3146535643.
What is Dr. John Mwangi's NPI?
Dr. John Mwangi's National Provider Identifier (NPI) is 1699903831, issued by NPPES.
Does Dr. John Mwangi accept Medicare assignment?
Yes. Dr. John Mwangi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mwangi commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.