Melissa Ann Ayer, CNP, RN
Nurse Practitioner · Boston, MA
Melissa Ann Ayer, CNP, RN is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1770059248, issued on Oct 22, 2018. Check the license (Massachusetts RN237363, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Ann Ayer
- Credential
- CNP, RN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN237363 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit Street, Boston, MA 02241
- Phone
- (617) 726-9527
- Enumerated
- Oct 22, 2018
- Record last updated
- Nov 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20181109000336); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marianne GreenePhysician Assistant1710706155
- Michael Haines, NPNurse Practitioner1043029093
- Heidi Herchen, ACNPC-AGAcute Care Nurse Practitioner1558194464
- Siobhan KellyNurse Practitioner1679349211
Verify Melissa Ann 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 RN237363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $139.57
5 payments; by number, the most common kind was food and beverage; the largest payer was ConvaTec Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Ann Ayer among 3,480 nurse practitioner records in Massachusetts
Melissa Ann Ayer, CNP, RN 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 2018, is newer than 59% of them.
- NPI issued2018 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2018 · median 2017 among the 1,963 with a school on file
- Record last updated2025 · 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.
All 3,480 in Massachusetts → Every provider in Boston → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Patricia DulacBoston, MA 022411255220737
- Michael Haines, NPBoston, MA 022411043029093
- Siobhan KellyBoston, MA 022411679349211
- Lauren MantikasBoston, MA 022411992677397
- Shalini Patel, DNPBoston, MA 022411770319204
- Alichia Paton, ACNPBoston, MA 022411265697221
- Allie Walpert, CNPBoston, MA 022411710436373
- Alexandra Alioto, NPBoston, MA 022151811721178
Common questions
What is Melissa Ann Ayer, CNP, RN's NPI number?
Melissa Ann Ayer, CNP, RN's National Provider Identifier (NPI) is 1770059248, issued on Oct 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Ann Ayer, CNP, RN located?
The NPPES record lists a practice address at 55 Fruit Street, Boston, MA, 02241. Phone: (617) 726-9527. Providers update this record themselves, so call before visiting.
How can I verify Melissa Ann Ayer, CNP, RN's license?
NPPES lists Massachusetts license number RN237363, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.