Doctor profile · Federal record

Dr. Nicole Messenger, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Sports Medicine (Orthopaedic Surgery) Physician · Saint Louis, MO

  • NPI 1689058521
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Dept Emergency MED
Saint Louis, MO 631101003
(314) 362-9123
fax (314) 362-0478
Mailing address
660 S Euclid Ave, Cb 8072
Saint Louis, MO 631101010

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
November 15, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Missouri #2019021725
Medicaid
MO #200062627

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689058521. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
265
Distinct HCPCS
9
Medicare allowed
$22,162
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 48 46 $8
J1030 Injection, methylprednisolone acetate, 40 mg 48 22 $7
99203 New patient office or other outpatient visit, 30-44 minutes 45 45 $111
99285 Emergency department visit with high level of medical decision making 37 37 $175
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $86
99284 Emergency department visit with moderate level of medical decision making 20 20 $120
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 18 17 $105
99291 Critical care, first 30-74 minutes 13 13 $212
99202 New patient office or other outpatient visit, 15-29 minutes 12 12 $71

In context: peer comparison

Among 121 peers in Saint Louis Emergency Medicine Physician, average services per provider: 92. This provider delivers 2.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
46
Total drug cost
$383
Drug Type Claims Patients Total cost
Methylprednisolone Generic 36 35 $294
Naproxen Generic 12 11 $60
Meloxicam Generic 11 0 $29

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicole Messenger's medical specialty?
Dr. Nicole Messenger practices Emergency Medicine Physician in Saint Louis, MO.
Where does Dr. Nicole Messenger practice?
Dr. Nicole Messenger practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143629123.
What is Dr. Nicole Messenger's NPI?
Dr. Nicole Messenger's National Provider Identifier (NPI) is 1689058521, issued by NPPES.
Does Dr. Nicole Messenger accept Medicare assignment?
Yes. Dr. Nicole Messenger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicole Messenger commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.