Maureen M. Mercier, ACNP

  • Saint Louis, MO
  • Nurse practitioner
NPI1396101135PAC ID7517262074
Medicare patients, 2024
121
Part D claims, 2024
161
Hospital affiliations
1
Medical groups
3
State license
1
Practice address
One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
Practice phone
Call (314) 747-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Barnes-Jewish Hospital

Hospital · Saint Louis, Missouri

See all 4 affiliations

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Maureen M. Mercier is a nurse practitioner in Saint Louis, Missouri

Maureen Mercier practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Maureen Mercier's NPI, 1396101135, was assigned on January 9, 2016. Maureen Mercier holds Missouri license 2015042849.

NPI and contact details
Medicare PAC ID
7517262074
NPI enumeration date
January 9, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(314) 747-3000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Maureen M. Mercier practices at 2 locations in Saint Louis, Missouri

Maureen Mercier's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Maureen Mercier also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

  • Barnes-Jewish HospitalPrimary
    One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
  • Barnes-Jewish Hospital
    1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Maureen M. Mercier is affiliated with 1 site of care and 3 medical groups

Maureen Mercier's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Maureen Mercier to 2 more medical groups, each named with a free account.

See all 4 affiliations for Maureen Mercier

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Maureen M. Mercier's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Maureen Mercier practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Barnes-Jewish HospitalAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Maureen M. Mercier is one of 1,347 nurse practitioners in Missouri

Nurse practitioner is Maureen Mercier's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Maureen Mercier is licensed in Missouri.

Specialties and state licenses

  • Nurse practitioner, MissouriPrimaryLicense 2015042849 · taxonomy 363L00000X

Nurse practitioners near Maureen Mercier

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Maureen M. Mercier treated 121 Medicare patients in 2024, average age 68

CMS counts 121 Medicare patients who saw Maureen Mercier in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 3.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Maureen Mercier's median patient age at 70, with 48% women.

Medicare patients, 2024121
Average age68
Average risk score3.90
Also on Medicaid19%

Maureen Mercier's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Maureen Mercier's Medicare patients by sex, 2024

  • Women5848%
  • Men6352%

Chronic conditions among Maureen Mercier's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease54%
  4. Arthritis51%
  5. Diabetes51%
  6. Ischemic heart disease37%
  7. Anxiety36%
  8. Mood disorders34%

Share of Medicare patients with each condition. A patient can have several.

Maureen Mercier's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women48%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Maureen M. Mercier wrote 161 Medicare Part D claims in 2024

In 2024, Maureen Mercier wrote 161 Medicare Part D claims for 55 patients. 70% of them were for generic drugs.

Part D claims, 2024161
Part D patients55

Maureen Mercier's Part D claims by kind of drug, 2024

  • Generic112 claims70%
  • Brand-name and other49 claims30%

Drug classes CMS tracks in Maureen Mercier's Part D claims, 2024

  • Antibiotics17%27 of 161 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Maureen M. Mercier offers telehealth to Medicare patients

Maureen Mercier accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Maureen Mercier as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Maureen M. Mercier's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Maureen M. Mercier

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Maureen M. Mercier's NPI number?

Maureen M. Mercier's NPI number is 1396101135. It was assigned on January 9, 2016, and it is active in the NPI Registry.

What does Maureen M. Mercier specialize in?

Maureen M. Mercier is a nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Maureen M. Mercier practice?

Maureen Mercier practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Maureen Mercier also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Maureen Mercier's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Maureen Mercier to 2 medical groups.

What is Maureen M. Mercier's office phone number?

The practice phone on file for Maureen Mercier is (314) 747-3000.

What is Maureen M. Mercier's medical license number?

Maureen Mercier holds Missouri license 2015042849.

Which hospitals is Maureen M. Mercier affiliated with?

Maureen Mercier practices at Barnes-Jewish Hospital in Saint Louis, Missouri.

What medical group is Maureen M. Mercier part of?

Maureen Mercier is linked to WashU Medicine Psychiatry. Dmand AI links Maureen Mercier to 2 more medical groups.

Does Maureen M. Mercier accept Medicare?

Yes. CMS lists Maureen Mercier as accepting Medicare assignment.

Does Maureen M. Mercier offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Maureen Mercier as offering telehealth services.

How many Medicare patients does Maureen M. Mercier see?

CMS counts 121 Medicare patients who saw Maureen Mercier in 2024, with an average age of 68.

How long has Maureen M. Mercier been practicing?

Maureen Mercier graduated from medical school in 2015, 11 years ago.

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