NPPES file of Aug 9, 2026

Sigal Dagiely, NP

Nurse Practitioner · Boston, MA

Sigal Dagiely, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1295813509, issued on Nov 2, 2006. Check the license (Massachusetts 250443, 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
1295813509
Name
Sigal Dagiely
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
250443 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave, Boston, MA 02215
Phone
(617) 421-1000
Enumerated
Nov 2, 2006
Record last updated
Jan 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20061130000252); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 133 Brookline Ave

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

  1. Shari Abramowitz, M.D.Pediatrics Physician1558346593
  2. Maansi AgheraAudiologist1225887292
  3. Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
  4. Marina Alfisher, MDDiagnostic Radiology Physician1417925207
  5. Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
  6. Dana An, LCSWClinical Social Worker1215108238

Verify Sigal Dagiely 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 250443
    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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2.6 times the Medicare Part D claims of the average nurse practitioner in 2024

2,907 Medicare Part D claims for 262 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 94 claims were for opioids.

  1. Sigal Dagiely2,907
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium256 claims
  2. Amlodipine Besylate191 claims
  3. Lisinopril107 claims
  4. Gabapentin97 claims
  5. Jardiance81 claims
  6. Metformin Hcl Er72 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.

Bills Medicare through one group practice

  1. Atrius Health IncNeedham, MA

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

Sigal Dagiely among 3,480 nurse practitioner records in Massachusetts

Sigal Dagiely, NP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 78% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2006 · median 2017 among the 1,963 with a school on file
  • Record last updated2021 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 nurse practitioner records list a practice address in Boston

They are 961 of the 41,865 NPPES records with a practice address in Boston, and 3,480 nurse practitioner records in Massachusetts.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Lois Bartels, NPBoston, MA 022151811078868
  2. Maura Brain, MS, RNCBoston, MA 022151003824392
  3. Lorraine Britting, NPCBoston, MA 022151053399238
  4. Deidre Buckley, NPBoston, MA 022151790858975
  5. Diane Chase, NPBoston, MA 022151780653980
  6. Judith Ferraro, CRNPBoston, MA 022151215007356
  7. Jan Fleischman, MSN, RN, APN, BCBoston, MA 022151144320912
  8. Jennifer Fournier, N.P.Boston, MA 022151801898275

Common questions

What is Sigal Dagiely, NP's NPI number?

Sigal Dagiely, NP's National Provider Identifier (NPI) is 1295813509, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sigal Dagiely, NP located?

The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-1000. Providers update this record themselves, so call before visiting.

How can I verify Sigal Dagiely, NP's license?

NPPES lists Massachusetts license number 250443, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Sigal Dagiely, NP prescribe under Medicare Part D?

In 2024, Sigal Dagiely, NP had 2,907 Medicare Part D claims for 262 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.