NPPES file of Aug 9, 2026

Emma O'Keefe, NP

Women's Health Nurse Practitioner · Lexington, MA

Emma O'Keefe, NP is a women's health nurse practitioner with a practice address in Lexington, Massachusetts, and NPI 1972561355, issued on May 3, 2006. Check the license (Massachusetts 233977, 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
1972561355
Name
Emma O'Keefe
Credential
NP
Primary taxonomy
Women's Health Nurse Practitioner 363LW0102X
License number
233977 MA
Self-reported in NPPES; status is on the state search
Practice location
57 Bedford St, Lexington, MA 02420
Phone
(781) 247-0311
Enumerated
May 3, 2006
Record last updated
Mar 9, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
0372200 MA
Medicare enrollment
Enrolled (PECOS I20050629000382); accepts Medicare assignment
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 57 Bedford St

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

  1. Jane Adolph, LICSWClinical Social Worker1396835476
  2. Hyung-Jun Ahn, DMDGeneral Practice Dentistry1508989476
  3. Lauren Alessi, M.S., CCC-SLPSpeech-Language Pathologist1366688772
  4. Caitlin Apel, DPTPhysical Therapist1003243460
  5. Lisa Arbesfeld, MDDermatology Physician1548351679
  6. David Brother, DMDGeneral Practice Dentistry1932289717

Verify Emma O'Keefe 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 233977
    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

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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71% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024

64 Medicare Part D claims for 24 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D.

  1. Emma O'Keefe64
  2. Specialty average217

Most prescribed

  1. Estradiol18 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: $96.85

4 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,574 providers of this specialty with any payment received $426.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Emma O'Keefe$96.85
  2. Specialty average$426.02

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. Mount Auburn Professional Services IncArlington, MA

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

Emma O'Keefe among 329 women's health nurse practitioner records in Massachusetts

Emma O'Keefe, NP is one of 329 women's health nurse practitioner records with a practice address in Massachusetts. 60% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 83% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2000 · median 2015 among the 139 with a school on file
  • Record last updated2010 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Women's Health Nurse Practitioner providers in Massachusetts

There are 329 women's health nurse practitioner records in Massachusetts.

The 8 women's health nurse practitioner records with the nearest ZIP codes

  1. Janet Guarino, NPLexington, MA 024201295068047
  2. Luisa Fertitta, OGNPLexington, MA 024211871560417
  3. Elizabeth O'Shea, NPLexington, MA 024211265638019
  4. Jennifer ValentineLexington, MA 024211154740652
  5. Carol Lesser, NP-CBrookline, MA 024451417496555
  6. Keely O'MaraBrookline, MA 024451710618806
  7. Fionna Sayegh, NPBrookline, MA 024451578077988
  8. Alicia Shulman, CNPBrookline, MA 024451558880245

Common questions

What is Emma O'Keefe, NP's NPI number?

Emma O'Keefe, NP's National Provider Identifier (NPI) is 1972561355, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Emma O'Keefe, NP located?

The NPPES record lists a practice address at 57 Bedford St, Lexington, MA, 02420. Phone: (781) 247-0311. Providers update this record themselves, so call before visiting.

How can I verify Emma O'Keefe, NP's license?

NPPES lists Massachusetts license number 233977, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Emma O'Keefe, NP prescribe under Medicare Part D?

In 2024, Emma O'Keefe, NP had 64 Medicare Part D claims for 24 beneficiaries; the average among women's health nurse practitioner prescribers was 217. 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.