Doctor profile · Federal record

Dr. Keith Ferguson, M.D.

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

  • NPI 1861758526
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3660 Vista Ave
Saint Louis, MO 631102540
(314) 977-6100
fax (314) 977-6164
Additional location
2315 Dougherty Ferry RD Ste 211
Saint Louis, MO 631223383
(314) 977-9600
fax (314) 977-9627
Mailing address
3635 Vista Ave Fl 7
Saint Louis, MO 631102539

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
June 22, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (3)
Missouri #2020013186 · Wisconsin #61842-20 · Illinois #036140072
Medicaid
WI #1861758526

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861758526. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
378
Distinct HCPCS
10
Medicare allowed
$44,171
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 113 38 $209
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 71 36 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 62 34 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 25 21 $115
94060 Test to measure expiratory airflow and volume changes before and after medication administration 21 21 $10
94726 Test to determine lung volumes using sensors 21 21 $12
94729 Test to examine how well the lungs exchange gases 20 20 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 18 18 $96
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $128
94618 Test for exercise-induced lung stress 12 12 $22

In context: peer comparison

Among 40 peers in this city , average services per provider: 94. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
189
Patients
23
Total drug cost
$119,165
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 67 23 $2,226
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 40 0 $33,899
Symbicort (Budesonide/Formoterol Fumarate) Brand 37 0 $16,619
Dupixent Pen (Dupilumab) Brand 12 0 $47,381
Breo Ellipta (Fluticasone/Vilanterol) Brand 11 0 $4,761
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 11 0 $12,800
Wixela Inhub (Fluticasone Propion/Salmeterol) Brand 11 0 $1,480

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Keith Ferguson's medical specialty?
Dr. Keith Ferguson practices Pulmonary Disease Physician in Saint Louis, MO.
Where does Dr. Keith Ferguson practice?
Dr. Keith Ferguson practices at 3660 Vista Ave, Saint Louis, MO 631102540. Office phone: 3149776100.
What is Dr. Keith Ferguson's NPI?
Dr. Keith Ferguson's National Provider Identifier (NPI) is 1861758526, issued by NPPES.
Does Dr. Keith Ferguson accept Medicare assignment?
Yes. Dr. Keith Ferguson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Ferguson 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.