NPPES file of Aug 9, 2026

Ashley Elizabeth Kowalczyk, NP

Women's Health Nurse Practitioner · Boston, MA

Ashley Elizabeth Kowalczyk, NP is a women's health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1053082990, issued on Sep 21, 2021. Check the license (Massachusetts RN2288570, 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
1053082990
Name
Ashley Elizabeth Kowalczyk
Credential
NP
Primary taxonomy
Women's Health Nurse Practitioner 363LW0102X
License number
RN2288570 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave # Shapiro8, Boston, MA 02215
Phone
(617) 667-4600
Enumerated
Sep 21, 2021
Record last updated
Jun 26, 2025
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 330 Brookline Ave # Shapiro8

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

  1. Steffany Conyers, MDStudent in an Organized Health Care Education/Training Program1639790116
  2. Avery Cox, MD, MPHStudent in an Organized Health Care Education/Training Program1750136743
  3. Tiffany Fulton, MDStudent in an Organized Health Care Education/Training Program1295356780
  4. Devon Harris, MDStudent in an Organized Health Care Education/Training Program1003476607
  5. Andrea Jaresova, MDObstetrics & Gynecology Physician1649760851
  6. Alice Lee, MDStudent in an Organized Health Care Education/Training Program1407477995

Verify Ashley Elizabeth Kowalczyk 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 RN2288570
    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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92% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024

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

  1. Ashley Kowalczyk17
  2. Specialty average217

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.

Ashley Elizabeth Kowalczyk among 329 women's health nurse practitioner records in Massachusetts

Ashley Elizabeth Kowalczyk, 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 2021, is newer than 77% of them.

  • NPI issued2021 · 77% of these records are older, 19% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2025 · 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. Lisa Arvine, NPBoston, MA 022151174789077
  2. Lauren Czapla, NPBoston, MA 022151972746345
  3. Olivia Donnelly, WHNP-BCBoston, MA 022151578843561
  4. Linda Dorflinger, NP, CNMBoston, MA 022151487794202
  5. Olivia Lau, NPBoston, MA 022151619121225
  6. Zinat Nassirzadeh, RN/NPBoston, MA 022151982835914
  7. Anne-Marie O'Brien, N.P.Boston, MA 022151013002757
  8. Jane O'Donnell, NPBoston, MA 022151013012582

Common questions

What is Ashley Elizabeth Kowalczyk, NP's NPI number?

Ashley Elizabeth Kowalczyk, NP's National Provider Identifier (NPI) is 1053082990, issued on Sep 21, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Elizabeth Kowalczyk, NP located?

The NPPES record lists a practice address at 330 Brookline Ave # Shapiro8, Boston, MA, 02215. Phone: (617) 667-4600. Providers update this record themselves, so call before visiting.

How can I verify Ashley Elizabeth Kowalczyk, NP's license?

NPPES lists Massachusetts license number RN2288570, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Ashley Elizabeth Kowalczyk, NP prescribe under Medicare Part D?

In 2024, Ashley Elizabeth Kowalczyk, NP had 17 Medicare Part D claims; 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.