Nancy Bertaux, NP
Nurse Practitioner · Marblehead, MA
Nancy Bertaux, NP is a nurse practitioner with a practice address in Marblehead, Massachusetts, and NPI 1629028121, issued on May 12, 2006. Check the license (Massachusetts 171584, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Bertaux
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 171584 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Widger RD, Marblehead, MA 01945
- Phone
- (781) 631-5126
- Enumerated
- May 12, 2006
- Record last updated
- May 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (781) 631-5175
- Medicare enrollment
- Enrolled (PECOS I20051207000754); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 1 Widger RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Capps, DPT, GCSPhysical Therapist1376919415
- Raymond Choiniere, PTPhysical Therapist1225012503
Verify Nancy Bertaux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 171584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average nurse practitioner in 2024
133 Medicare Part D claims for 82 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of 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
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Bertaux among 3,480 nurse practitioner records in Massachusetts
Nancy Bertaux, 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
- Graduated1990 · median 2017 among the 1,963 with a school on file
- Record last updated2010 · 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).
Nurse Practitioner providers in Massachusetts
There are 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Marblehead → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Ekaterina ShilmanMarblehead, MA 019451386474229
- Emily BrownManchester, MA 019441710551502
- Rachel Hilshey, FNP-BCManchester, MA 019441487329744
- Molly Klinka, NPManchester By The Sea, MA 019441548939572
- Meredith Veneziano, FNP-BCManchester By The Sea, MA 019441336912575
- Jarra Carney, NPMiddleton, MA 019491912237116
- Margaret O'Callaghan, ANP-BC, WHNP-BCMiddleton, MA 019491881818110
- Haitham Serhan, NP-CMiddleton, MA 019491306461280
Common questions
What is Nancy Bertaux, NP's NPI number?
Nancy Bertaux, NP's National Provider Identifier (NPI) is 1629028121, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Bertaux, NP located?
The NPPES record lists a practice address at 1 Widger RD, Marblehead, MA, 01945. Phone: (781) 631-5126. Providers update this record themselves, so call before visiting.
How can I verify Nancy Bertaux, NP's license?
NPPES lists Massachusetts license number 171584, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Bertaux, NP prescribe under Medicare Part D?
In 2024, Nancy Bertaux, NP had 133 Medicare Part D claims for 82 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.