Doctor profile · Federal record

Dr. Erin Baum, MD

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

  • NPI 1043730104
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Im Hospitalist
Saint Louis, MO 631101003
(314) 362-1700
fax (314) 362-9878
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
April 15, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Missouri #2019043915
Medicaid
MO #200061285

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043730104. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
248
Distinct HCPCS
5
Medicare allowed
$27,903
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 90 37 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 81 80 $172
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 39 25 $118
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 24 14 $30
99239 Hospital discharge day management, more than 30 minutes 14 14 $113

In context: peer comparison

Among 109 peers in Saint Louis Hospitalist Physician, average services per provider: 96. This provider delivers 2.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Erin Baum's medical specialty?
Dr. Erin Baum practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. Erin Baum practice?
Dr. Erin Baum practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143621700.
What is Dr. Erin Baum's NPI?
Dr. Erin Baum's National Provider Identifier (NPI) is 1043730104, issued by NPPES.
Does Dr. Erin Baum accept Medicare assignment?
Yes. Dr. Erin Baum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin Baum commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.