Doctor profile · Federal record

Dr. Marissa Caruso, ACNP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Saint Louis, MO

  • NPI 1134719610
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Dept Anesthesiology
Saint Louis, MO 631101003
(800) 862-9980
fax (314) 362-1185
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
January 2021 — 5 yrs on file
Profile last updated
April 15, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Missouri #2021013049
Medicaid
MO #420095087

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134719610. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
432
Distinct HCPCS
3
Medicare allowed
$45,110
HCPCS Description Services Patients Avg allowed
99292 Critical care, each additional 30 minutes 340 54 $89
99291 Critical care, first 30-74 minutes 75 37 $177
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 17 11 $99

In context: peer comparison

Among 44 peers in Saint Louis Acute Care Nurse Practitioner, average services per provider: 78. This provider delivers 5.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Caruso's medical specialty?
Dr. Marissa Caruso practices Acute Care Nurse Practitioner in Saint Louis, MO.
Where does Dr. Marissa Caruso practice?
Dr. Marissa Caruso practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 8008629980.
What is Dr. Marissa Caruso's NPI?
Dr. Marissa Caruso's National Provider Identifier (NPI) is 1134719610, issued by NPPES.
Does Dr. Marissa Caruso accept Medicare assignment?
Yes. Dr. Marissa Caruso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Caruso commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99292); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.