NPPES file of Aug 9, 2026

Allegra Hayakawa

Women's Health Nurse Practitioner · Phoenixville, PA

Allegra Hayakawa is a women's health nurse practitioner with a practice address in Phoenixville, Pennsylvania, and NPI 1457862906, issued on Oct 23, 2017. Check the license (Pennsylvania SP017973, as entered in NPPES) with the Pennsylvania 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
1457862906
Name
Allegra Hayakawa
Primary taxonomy
Women's Health Nurse Practitioner 363LW0102X
License number
SP017973 PA
Self-reported in NPPES; status is on the state search
Practice location
799 Gay St, Phoenixville, PA 19460
Phone
(610) 933-2440
Enumerated
Oct 23, 2017
Record last updated
Jul 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180314000677); 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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8 nearest women's health nurse practitioner records → All 420 in Pennsylvania → Look up another NPI →

Also registered at 799 Gay St

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

  1. Brittney BrunoObstetrics & Gynecology Physician1669098539
  2. Amy Jane Cadieux, M.D.Obstetrics & Gynecology Physician1821067539
  3. Vanessa Canas, MDObstetrics & Gynecology Physician1932587474
  4. Gina Cantarella, MDObstetrics & Gynecology Physician1750447629
  5. Fredric Cohen, M.D.Obstetrics & Gynecology Physician1952360190
  6. Carlene Denis, M.D.Obstetrics & Gynecology Physician1417110271

Verify Allegra Hayakawa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license SP017973    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 Pennsylvania license search

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55% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024

97 Medicare Part D claims for 41 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D.

  1. Allegra Hayakawa97
  2. Specialty average217

Most prescribed

  1. Valacyclovir18 claims
  2. Clotrimazole-Betamethasone14 claims
  3. Terconazole14 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: $33.22

2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, 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. Allegra Hayakawa$33.22
  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. Regional Womens Health Group LLCLimerick, PA

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

Allegra Hayakawa among 420 women's health nurse practitioner records in Pennsylvania

Allegra Hayakawa is one of 420 women's health nurse practitioner records with a practice address in Pennsylvania. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 52% of them.

  • NPI issued2017 · 52% of these records are older, 45% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2017 · median 2018 among the 215 with a school on file
  • Record last updated2021 · 48% 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 Pennsylvania 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 Pennsylvania

There are 420 women's health nurse practitioner records in Pennsylvania.

All 420 in Pennsylvania → Every provider in Phoenixville → Women's Health Nurse Practitioner nationwide →

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

  1. Concetta Poidomani, CRNPPhoenixville, PA 194601689924482
  2. Lisa Robbins, CRNPPlymouth Meeting, PA 194621073574570
  3. Krista Dankiw-Ludwig, CRNPPottstown, PA 194651477979466
  4. Kelsey Waller, NPPottstown, PA 194651437937869
  5. Wendy Brian, CRNPLansdale, PA 194461730123399
  6. Sara Bergey, WHNP-BCHarleysville, PA 194381174153548
  7. Julia KautermanHarleysville, PA 194381437999315
  8. Gina Menarde, CRNP, WHNP-BCKing Of Prussia, PA 194061932831260

Common questions

What is Allegra Hayakawa's NPI number?

Allegra Hayakawa's National Provider Identifier (NPI) is 1457862906, issued on Oct 23, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Allegra Hayakawa located?

The NPPES record lists a practice address at 799 Gay St, Phoenixville, PA, 19460. Phone: (610) 933-2440. Providers update this record themselves, so call before visiting.

How can I verify Allegra Hayakawa's license?

NPPES lists Pennsylvania license number SP017973, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Allegra Hayakawa prescribe under Medicare Part D?

In 2024, Allegra Hayakawa had 97 Medicare Part D claims for 41 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.

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.