Doctor profile · Federal record

Dr. Jessica Barks, D.O.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · O Fallon, MO

  • NPI 1720252190
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6698 Keaton Corporate Pkwy, Suite 101
O Fallon, MO 633688724
(636) 928-0215
fax (636) 928-0218
Additional location
3015 N Ballas RD
Saint Louis, MO 631312329
(314) 996-5000
Mailing address
12101 Woodcrest Executive Dr, Suite 210
Saint Louis, MO 631415047

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
April 21, 2022
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Missouri #2015021373

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720252190. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
465
Distinct HCPCS
3
Medicare allowed
$77,359
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 308 178 $210
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 138 92 $78
99292 Critical care, each additional 30 minutes 19 13 $106

In context: peer comparison

Among 1 peers in this city , average services per provider: 155. This provider delivers 3.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jessica Barks's medical specialty?
Dr. Jessica Barks practices Pulmonary Disease Physician in O Fallon, MO.
Where does Dr. Jessica Barks practice?
Dr. Jessica Barks practices at 6698 Keaton Corporate Pkwy, O Fallon, MO 633688724. Office phone: 6369280215.
What is Dr. Jessica Barks's NPI?
Dr. Jessica Barks's National Provider Identifier (NPI) is 1720252190, issued by NPPES.
Does Dr. Jessica Barks accept Medicare assignment?
Yes. Dr. Jessica Barks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jessica Barks commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.