Doctor profile · Federal record

Dr. Mohsin Ehsan, M.D

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Student in an Organized Health Care Education/Training Program · Saint Charles, MO

  • NPI 1265627210
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
400 1St Capitol Dr Ste 100
Saint Charles, MO 633012881
(636) 669-0300
Additional location
263 Farmington Ave
Farmington, CT 060300001
(860) 679-2000
Mailing address
Po Box 955534
Saint Louis, MO 631951554

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
October 21, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Missouri #2013004668

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265627210. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,669
Distinct HCPCS
10
Medicare allowed
$154,875
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 617 159 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 489 278 $94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 150 63 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 134 116 $168
99291 Critical care, first 30-74 minutes 61 32 $208
94726 Test to determine lung volumes using sensors 47 47 $11
94729 Test to examine how well the lungs exchange gases 47 47 $8
94060 Test to measure expiratory airflow and volume changes before and after medication administration 46 46 $10
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $126
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $176

In context: peer comparison

Among 1 peers in this city , average services per provider: 128. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$463
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 3 $245.81
INTUITIVE SURGICAL, INC. 1 $129.27
AstraZeneca Pharmaceuticals LP 1 $87.73

By nature of payment

Food and Beverage
$463

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,384
Patients
773
Total drug cost
$657,846
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 456 155 $13,321
Montelukast Sodium Generic 332 102 $5,485
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 264 58 $247,065
Fluticasone Propionate Generic 234 105 $5,318
Symbicort (Budesonide/Formoterol Fumarate) Brand 211 51 $126,903
Ipratropium Bromide Generic 153 70 $11,720
Prednisone Generic 144 83 $584
Breo Ellipta (Fluticasone/Vilanterol) Brand 122 25 $73,834
Arnuity Ellipta (Fluticasone Furoate) Brand 107 24 $40,092
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 77 12 $45,574

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohsin Ehsan's medical specialty?
Dr. Mohsin Ehsan practices Pulmonary Disease Physician in Saint Charles, MO.
Where does Dr. Mohsin Ehsan practice?
Dr. Mohsin Ehsan practices at 400 1St Capitol Dr Ste 100, Saint Charles, MO 633012881. Office phone: 6366690300.
What is Dr. Mohsin Ehsan's NPI?
Dr. Mohsin Ehsan's National Provider Identifier (NPI) is 1265627210, issued by NPPES.
Does Dr. Mohsin Ehsan accept Medicare assignment?
Yes. Dr. Mohsin Ehsan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohsin Ehsan 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 moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.