Marie G. Cantave-Ayer, NP
Family Nurse Practitioner · Boston, MA
Marie G. Cantave-Ayer, NP is a family nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1124354691, issued on Oct 19, 2009. Check the license (Massachusetts RN274610, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marie G. Cantave-Ayer
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN274610 MA
Self-reported in NPPES; status is on the state search - Practice location
- 850 Harrison Avenue, Boston, MA 02118
- Phone
- (617) 638-6100
- Enumerated
- Oct 19, 2009
- Record last updated
- Dec 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 638-6179
- Medicare enrollment
- Enrolled (PECOS I20091231000130); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 850 Harrison Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emily Burns, CNPWomen's Health Nurse Practitioner1336807957
- Amy Coe, ARNPAdult Health Nurse Practitioner1851478051
Verify Marie G. Cantave-Ayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN274610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,074 Medicare Part D claims for 318 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium104 claims
- Lisinopril75 claims
- Amlodipine Besylate65 claims
- Losartan Potassium63 claims
- Omeprazole49 claims
- Hydrochlorothiazide41 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
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marie G. Cantave-Ayer among 4,724 family nurse practitioner records in Massachusetts
Marie G. Cantave-Ayer, NP is one of 4,724 family 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 2009, is newer than 16% of them.
- NPI issued2009 · 16% of these records are older, 82% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2019 among the 2,704 with a school on file
- Record last updated2011 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
938 family nurse practitioner records list a practice address in Boston
They are 938 of the 41,865 NPPES records with a practice address in Boston, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Boston → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Marjorie Arvedon, FNPBoston, MA 021181376529842
- Ellen Bitz, NPBoston, MA 021181649254798
- Lois Doerr, NPBoston, MA 021181194784546
- Karen Friedman, MS RNC FNPBoston, MA 021181861421299
- Faye Huang, NPBoston, MA 021181366432353
- Terri Lacoursiere Zucchero, PHD, RN, FNP-BCBoston, MA 021181770565475
- Claire Murphy, NP-CBoston, MA 021181568447217
- Nancy Paull, NPBoston, MA 021181457466914
Common questions
What is Marie G. Cantave-Ayer, NP's NPI number?
Marie G. Cantave-Ayer, NP's National Provider Identifier (NPI) is 1124354691, issued on Oct 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Marie G. Cantave-Ayer, NP located?
The NPPES record lists a practice address at 850 Harrison Avenue, Boston, MA, 02118. Phone: (617) 638-6100. Providers update this record themselves, so call before visiting.
How can I verify Marie G. Cantave-Ayer, NP's license?
NPPES lists Massachusetts license number RN274610, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Marie G. Cantave-Ayer, NP prescribe under Medicare Part D?
In 2024, Marie G. Cantave-Ayer, NP had 1,074 Medicare Part D claims for 318 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.