NPPES file of Aug 9, 2026

Joy Elizabeth Lewis O'Brien, FNP-BC

Family Nurse Practitioner · Concord, MA

Joy Elizabeth Lewis O'Brien, FNP-BC is a family nurse practitioner with a practice address in Concord, Massachusetts, and NPI 1578841185, issued on Jul 31, 2011. Check the license (Massachusetts RN2264263, as entered in NPPES) with the Massachusetts 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
1578841185
Name
Joy Elizabeth Lewis O'Brien
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2264263 MA
Self-reported in NPPES; status is on the state search
Practice location
575 Virginia RD Ste 102, Concord, MA 01742
Phone
(978) 440-1134
Enumerated
Jul 31, 2011
Record last updated
Sep 26, 2024
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 575 Virginia RD Ste 102

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

  1. Jessica FedorowiczPsychologist1336632694
  2. Molly Ruiz, PHDClinical Psychologist1831543057
  3. Alexander Smoolca, MAStudent in an Organized Health Care Education/Training Program1154146066
  4. Justine Uhlenbrock, DNP, PMHNP-BC, MPHPsychiatric/Mental Health Nurse Practitioner1437981404

Verify Joy Elizabeth Lewis O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2264263    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 Massachusetts license search

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90% fewer Medicare Part D claims than the average family nurse practitioner in 2024

135 Medicare Part D claims for 13 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Joy O'Brien135
  2. Specialty average1,305

Most prescribed

  1. Trazodone Hcl11 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.

23 family nurse practitioner records list a practice address in Concord

They are 23 of the 1,078 NPPES records with a practice address in Concord, and 4,724 family nurse practitioner records in Massachusetts.

All 23 in Concord → All 4,724 in Massachusetts → Every provider in Concord →

Other family nurse practitioner records in Massachusetts

  1. Christina Abate, N.P.Boston, MA1235414970
  2. Katelynne Abbott, NPDanvers, MA1932355880
  3. Georgette Abboud, FNP-CHanscom Afb, MA1538593686
  4. Irfana Abdulhameed, FNPNorthborough, MA1417661786
  5. Christina Abouleish, NPNorwell, MA1700515772
  6. Christine Abraham, NPSouthborough, MA1215774658
  7. Catherine Abrams, FNP-CNorth Dartmouth, MA1528790599
  8. Wendy Abrams, FNPBoston, MA1962557801
  9. Michelle Abreu, FNP-BCArlington, MA1346138914
  10. Karolyn Abreu Blanco, FNP-BCLawrence, MA1043007644

Common questions

What is Joy Elizabeth Lewis O'Brien, FNP-BC's NPI number?

Joy Elizabeth Lewis O'Brien, FNP-BC's National Provider Identifier (NPI) is 1578841185, issued on Jul 31, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Joy Elizabeth Lewis O'Brien, FNP-BC located?

The NPPES record lists a practice address at 575 Virginia RD Ste 102, Concord, MA, 01742. Phone: (978) 440-1134. Providers update this record themselves, so call before visiting.

How can I verify Joy Elizabeth Lewis O'Brien, FNP-BC's license?

NPPES lists Massachusetts license number RN2264263, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Joy Elizabeth Lewis O'Brien, FNP-BC prescribe under Medicare Part D?

In 2024, Joy Elizabeth Lewis O'Brien, FNP-BC had 135 Medicare Part D claims for 13 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.