NPPES file of Aug 9, 2026

Kayla Jane Efaw-Bashir, AGACNP

Registered Nurse · Boston, MA

Kayla Jane Efaw-Bashir, AGACNP is a registered nurse with a practice address in Boston, Massachusetts, and NPI 1831891373, issued on Mar 20, 2023. Check the license (Massachusetts RN2337284, 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
1831891373
Name
Kayla Jane Efaw-Bashir
Credential
AGACNP
Primary taxonomy
Registered Nurse 163W00000X
License number
RN2337284 MA
Self-reported in NPPES; status is on the state search
Practice location
800 Washington St, Boston, MA 02111
Phone
(617) 636-5000
Enumerated
Mar 20, 2023
Record last updated
Mar 20, 2023
Medicare enrollment
Enrolled (PECOS I20230829003192); 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 800 Washington St

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

  1. Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
  2. Omer Abbak, PHARMDPharmacist1114500337
  3. Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
  4. Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
  5. Ahmad AboalfarajSurgery Physician1538517651
  6. Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250

Verify Kayla Jane Efaw-Bashir 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 RN2337284
    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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93% fewer Medicare Part D claims than the average registered nurse in 2024

49 Medicare Part D claims for 30 beneficiaries, against an average of 678 among the 694 providers of this specialty who prescribed in Part D.

  1. Kayla Efaw-Bashir49
  2. Specialty average678

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.

Bills Medicare through one group practice

  1. Cardiovascular Center AT Tufts Medical Center IncBoston, MA

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

Kayla Jane Efaw-Bashir among 4,985 registered nurse records in Massachusetts

Kayla Jane Efaw-Bashir, AGACNP is one of 4,985 registered nurse records with a practice address in Massachusetts. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 67% of them.

  • NPI issued2023 · 67% of these records are older, 26% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 2% of these records are
  • Graduated2022 · median 2022 among the 110 with a school on file
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

684 registered nurse records list a practice address in Boston

They are 684 of the 41,865 NPPES records with a practice address in Boston, and 4,985 registered nurse records in Massachusetts.

The 8 registered nurse records with the nearest ZIP codes

  1. Melissa Batchelder, NNP-BCBoston, MA 021111558197798
  2. Maudistien Buggs, RNBoston, MA 021111881416311
  3. Ellen Chen, RN CPNPBoston, MA 021111316167752
  4. Kelsey Goodman, RNBoston, MA 021111346913175
  5. Barbara Lash, R.N.Boston, MA 021111043339658
  6. Michelle Lew, RNBoston, MA 021111093074288
  7. George Ortiz, RNBoston, MA 021111336529270
  8. Marlena OsowskiBoston, MA 021111386335776

Common questions

What is Kayla Jane Efaw-Bashir, AGACNP's NPI number?

Kayla Jane Efaw-Bashir, AGACNP's National Provider Identifier (NPI) is 1831891373, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kayla Jane Efaw-Bashir, AGACNP located?

The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.

How can I verify Kayla Jane Efaw-Bashir, AGACNP's license?

NPPES lists Massachusetts license number RN2337284, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Kayla Jane Efaw-Bashir, AGACNP prescribe under Medicare Part D?

In 2024, Kayla Jane Efaw-Bashir, AGACNP had 49 Medicare Part D claims for 30 beneficiaries; the average among registered nurse prescribers was 678. 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.