NPPES file of Aug 9, 2026

Nora Elizabeth O'Brien, ANP

Nurse Practitioner · Saint Louis, MO

Nora Elizabeth O'Brien, ANP is a nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1841613205, issued on Jan 21, 2014. Check the license (Missouri 2013020387, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841613205
Name
Nora Elizabeth O'Brien
Credential
ANP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
2013020387 MO
Self-reported in NPPES; status is on the state search
Practice location
625 S New Ballas RD, Saint Louis, MO 63141
Phone
(314) 251-1700
Enumerated
Jan 21, 2014
Record last updated
Jan 21, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(314) 251-1701
Medicare enrollment
Enrolled (PECOS I20140228001050); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 625 S New Ballas RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Blucher, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1568433951
  2. John Brunts, MDCardiovascular Disease Physician1578555066
  3. Susan Buettner-Miller, ANPAdult Health Nurse Practitioner1669412359
  4. Jeffrey Ciaramita, M.D.Cardiovascular Disease Physician1679653323
  5. Christopher Cundiff, M.D.Emergency Medicine Physician1689908105
  6. Bruce Czarnik, M.D.Cardiovascular Disease Physician1114974532

Verify Nora Elizabeth O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2013020387
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.6 times the Medicare Part D claims of the average nurse practitioner in 2024

4,044 Medicare Part D claims for 741 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Nora O'Brien4,044
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium388 claims
  2. Amlodipine Besylate276 claims
  3. Rosuvastatin Calcium168 claims
  4. Levothyroxine Sodium151 claims
  5. Hydrochlorothiazide122 claims
  6. Lisinopril119 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $190.71

11 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nora O'Brien$190.71
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mercy Clinic East CommunitiesSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nora Elizabeth O'Brien among 1,720 nurse practitioner records in Missouri

Nora Elizabeth O'Brien, ANP is one of 1,720 nurse practitioner records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 37% of them.

  • NPI issued2014 · 37% of these records are older, 60% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2017 among the 1,080 with a school on file
  • Record last updated2014 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

437 nurse practitioner records list a practice address in Saint Louis

They are 437 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,720 nurse practitioner records in Missouri.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Nancy Bourgeois, NP-CSaint Louis, MO 631411881612349
  2. James Branca, PNPSaint Louis, MO 631411770794869
  3. John Descher, FNPSaint Louis, MO 631411891948022
  4. Kathy Erlichson, APRN BCSt Louis, MO 631411407031560
  5. Sarah Kessen, MSN, ANPSt Louis, MO 631411063466910
  6. Alishia Laporte, R.N.Saint Louis, MO 631411275689978
  7. Maxine Lueckenotte, FNPSaint Louis, MO 631411750318572
  8. Katherine Martin-Bredahl, FNPSaint Louis, MO 631411427388776

Common questions

What is Nora Elizabeth O'Brien, ANP's NPI number?

Nora Elizabeth O'Brien, ANP's National Provider Identifier (NPI) is 1841613205, issued on Jan 21, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nora Elizabeth O'Brien, ANP located?

The NPPES record lists a practice address at 625 S New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 251-1700. Providers update this record themselves, so call before visiting.

How can I verify Nora Elizabeth O'Brien, ANP's license?

NPPES lists Missouri license number 2013020387, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Nora Elizabeth O'Brien, ANP prescribe under Medicare Part D?

In 2024, Nora Elizabeth O'Brien, ANP had 4,044 Medicare Part D claims for 741 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.