NPPES file of Aug 9, 2026

Margaret A. O'Brien, GNP

Gerontology Nurse Practitioner · Edina, MN

Margaret A. O'Brien, GNP is a gerontology nurse practitioner with a practice address in Edina, Minnesota, and NPI 1437128642, issued on Mar 17, 2006. Check the license (Minnesota R0635857, as entered in NPPES) with the Minnesota 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
1437128642
Name
Margaret A. O'Brien
Credential
GNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
R0635857 MN
Self-reported in NPPES; status is on the state search
Practice location
3400 W 66TH St, Edina, MN 55435
Phone
(952) 836-3637
Enumerated
Mar 17, 2006
Record last updated
May 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3400 W 66TH St

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

  1. Janiece Aldinger, M.D.Neurology Physician1194779389
  2. Sunanda Apte-Kakade, M.D.Physical Medicine & Rehabilitation Physician1831102672
  3. Christopher Armstrong, M.D.Internal Medicine Physician1619973195
  4. Danielle BandholzGerontology Nurse Practitioner1730555889
  5. Myra Becker, L.AC.Acupuncturist1245487727
  6. Kathleen Beckman, RN, CNPGerontology Nurse Practitioner1457338337

Verify Margaret A. O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license R0635857
    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 Minnesota license search

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Industry payments in 2024: $142.70

2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret O'Brien$142.70
  2. Specialty average$742.05

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

Margaret A. O'Brien among 363 gerontology nurse practitioner records in Minnesota

Margaret A. O'Brien, GNP is one of 363 gerontology nurse practitioner records with a practice address in Minnesota. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 71% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2008 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Minnesota

There are 363 gerontology nurse practitioner records in Minnesota.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Kathleen Beckman, RN, CNPEdina, MN 554351457338337
  2. Jean Dunbar, GNPEdina, MN 554351508835323
  3. Deborah Felber, GNPEdina, MN 554351215978937
  4. Susan Girard, GNPEdina, MN 554351114996949
  5. Troy Kittleson, GNPBloomington, MN 554351801865084
  6. Annette Lynch, GNPEdina, MN 554351689643256
  7. Debra Mike, RN, CNPEdina, MN 554351740269927
  8. Patricia Mitchell, GNPEdina, MN 554351053380253

Common questions

What is Margaret A. O'Brien, GNP's NPI number?

Margaret A. O'Brien, GNP's National Provider Identifier (NPI) is 1437128642, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret A. O'Brien, GNP located?

The NPPES record lists a practice address at 3400 W 66TH St, Edina, MN, 55435. Phone: (952) 836-3637. Providers update this record themselves, so call before visiting.

How can I verify Margaret A. O'Brien, GNP's license?

NPPES lists Minnesota license number R0635857, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity 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.