Doctor profile · Federal record

Dr. Madeline Grondalski, MD

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

  • NPI 1225692536
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 7 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
April 2019 — 7 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Missouri #2022021040
Medicaid
MO #200111454

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225692536. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
376
Distinct HCPCS
4
Medicare allowed
$40,732
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 244 79 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 94 43 $77
99239 Hospital discharge day management, more than 30 minutes 21 21 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $169

In context: peer comparison

Among 109 peers in this city , average services per provider: 96. This provider delivers 3.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Madeline Grondalski's medical specialty?
Dr. Madeline Grondalski practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. Madeline Grondalski practice?
Dr. Madeline Grondalski practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143621700.
What is Dr. Madeline Grondalski's NPI?
Dr. Madeline Grondalski's National Provider Identifier (NPI) is 1225692536, issued by NPPES.
Does Dr. Madeline Grondalski accept Medicare assignment?
Yes. Dr. Madeline Grondalski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Madeline Grondalski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.