NPPES file of Aug 9, 2026

Maria Kafer Bastos, NP

Nurse Practitioner · East Boston, MA

Maria Kafer Bastos, NP is a nurse practitioner with a practice address in East Boston, Massachusetts, and NPI 1720330558, issued on Oct 3, 2012. Check the license (Massachusetts RN2270390, 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
1720330558
Name
Maria Kafer Bastos
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
RN2270390 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Maverick SQ, East Boston, MA 02128
Phone
(617) 569-5800
Enumerated
Oct 3, 2012
Record last updated
Jan 16, 2024
Fax
(617) 568-4418
Medicare enrollment
Enrolled (PECOS I20121211000350); accepts Medicare assignment
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 20 Maverick SQ

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

  1. Maria Ajanel Ziegra, CNPFamily Nurse Practitioner1780383067
  2. Sumati Bhalla, DDSGeneral Practice Dentistry1013681477
  3. Rachel Blake, MDObstetrics & Gynecology Physician1326494998
  4. Tamsen Brown, MS, CGCGenetic Counselor (M.S.)1366981276
  5. Julia Buresh-Kapoor, CNPFamily Nurse Practitioner1558819441
  6. Maxwel Carlson, CNP, DNPGerontology Nurse Practitioner1235959529

Verify Maria Kafer Bastos 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 RN2270390
    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

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98% fewer Medicare Part D claims than the average nurse practitioner in 2024

19 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Maria Bastos19
  2. Specialty average1,109

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. Internal Medical Associates-EbnhcEast Boston, MA

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

Maria Kafer Bastos among 3,480 nurse practitioner records in Massachusetts

Maria Kafer Bastos, 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 2012, is newer than 40% of them.

  • NPI issued2012 · 40% of these records are older, 58% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2009 · median 2017 among the 1,963 with a school on file
  • Record last updated2024 · 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.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Josephine Beresford, RN, ACNPC-AGBoston, MA 021281164342846
  2. Teresa Dimodica, MSN, NP-C, RNBoston, MA 021281649845355
  3. Ashley Mongeon, RNBoston, MA 021281437882867
  4. Prachi ShuklaEast Boston, MA 021281477308930
  5. Jessica Syswerda, CNPEast Boston, MA 021281750904710
  6. Maura BaronasBoston, MA 021271295569762
  7. Meredith Cheney, FNP-BCCharlestown, MA 021291295167781
  8. Corrine Connors, NPBoston, MA 021291184764680

Common questions

What is Maria Kafer Bastos, NP's NPI number?

Maria Kafer Bastos, NP's National Provider Identifier (NPI) is 1720330558, issued on Oct 3, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Maria Kafer Bastos, NP located?

The NPPES record lists a practice address at 20 Maverick SQ, East Boston, MA, 02128. Phone: (617) 569-5800. Providers update this record themselves, so call before visiting.

How can I verify Maria Kafer Bastos, NP's license?

NPPES lists Massachusetts license number RN2270390, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Maria Kafer Bastos, NP prescribe under Medicare Part D?

In 2024, Maria Kafer Bastos, NP had 19 Medicare Part D claims; 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.