Doctor profile · Federal record

Dr. Maureen Mercier, ACNP

Nurse Practitioner · Saint Louis, MO

  • NPI 1396101135
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Surg Transplant
Saint Louis, MO 631101003
(314) 747-9889
fax (877) 438-4530
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
January 2016 — 10 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Missouri #2015042849
Medicaid
MO #420028461

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396101135. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
143
Distinct HCPCS
3
Medicare allowed
$13,721
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 67 61 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 50 46 $103
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $138

In context: peer comparison

Among 112 peers in Saint Louis Nurse Practitioner, average services per provider: 76. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$199
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Eurofins Viracor, LLC 1 $198.99

By nature of payment

Food and Beverage
$199

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
0
Total drug cost
$12,971
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 17 0 $12,946
Amlodipine Besylate Generic 11 0 $24

Frequently asked questions

Auto-generated from federal data
What is Dr. Maureen Mercier's medical specialty?
Dr. Maureen Mercier practices Nurse Practitioner in Saint Louis, MO.
Where does Dr. Maureen Mercier practice?
Dr. Maureen Mercier practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3147479889.
What is Dr. Maureen Mercier's NPI?
Dr. Maureen Mercier's National Provider Identifier (NPI) is 1396101135, issued by NPPES.
Does Dr. Maureen Mercier accept Medicare assignment?
Yes. Dr. Maureen Mercier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maureen Mercier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.