Maria Santos Chafoya, NP
Family Nurse Practitioner · Boston, MA
Maria Santos Chafoya, NP is a family nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1235825951, issued on Apr 14, 2023. Check the license (Massachusetts RN2301604, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Santos Chafoya
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2301604 MA
Self-reported in NPPES; status is on the state search - Practice location
- 53 State St Ste 106, Boston, MA 02109
- Phone
- (888) 663-6331
- Enumerated
- Apr 14, 2023
- Record last updated
- Jun 22, 2026
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20230808003653); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 53 State St Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shannon Kurzeski, FNP-CNurse Practitioner1992207997
- Abby Sturmer, PA-CPhysician Assistant1851729271
Verify Maria Santos Chafoya in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2301604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family nurse practitioner in 2024
144 Medicare Part D claims for 108 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Prednisone22 claims
- Amoxicillin-Clavulanate Potass13 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 2 group practices
- Edward M Kennedy Community Health Center IncWorcester, MA
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Santos Chafoya among 4,724 family nurse practitioner records in Massachusetts
Maria Santos Chafoya, 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 2023, is newer than 79% of them.
- NPI issued2023 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2019 among the 2,704 with a school on file
- Record last updated2026 · 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
- Alyshia Casella, FNP-BCBoston, MA 021091972074136
- Danielle Dupre, FNP-BCBoston, MA 021091245664564
- Stephany Gyasi, CNPBoston, MA 021091508369166
- Rebecca Juneau, APRN, FNPBoston, MA 021091407416647
- Kelly Lincoln, FNPBoston, MA 021091518591619
- Morgan Mako, APRN, FNP-CBoston, MA 021091235635657
- Kathleen Napoli, MSN, APRN, FNP-CBoston, MA 021091598245946
- Allegra Norton, RN, FNP-CBoston, MA 021091134645997
Common questions
What is Maria Santos Chafoya, NP's NPI number?
Maria Santos Chafoya, NP's National Provider Identifier (NPI) is 1235825951, issued on Apr 14, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Maria Santos Chafoya, NP located?
The NPPES record lists a practice address at 53 State St Ste 106, Boston, MA, 02109. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Maria Santos Chafoya, NP's license?
NPPES lists Massachusetts license number RN2301604, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Santos Chafoya, NP prescribe under Medicare Part D?
In 2024, Maria Santos Chafoya, NP had 144 Medicare Part D claims for 108 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.