NPPES file of Aug 9, 2026

Letitia Mazzaferro

Certified Registered Nurse Anesthetist · East Weymouth, MA

Letitia Mazzaferro is a certified registered nurse anesthetist with a practice address in East Weymouth, Massachusetts, and NPI 1427406222, issued on Jun 2, 2016. Check the license (Massachusetts RN2290780, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427406222
Name
Letitia Mazzaferro
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
RN2290780 MA
Self-reported in NPPES; status is on the state search
Practice location
163 Libbey Pkwy Ste 301, East Weymouth, MA 02189
Phone
(781) 337-4224
Enumerated
Jun 2, 2016
Record last updated
Aug 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(781) 335-0429
Medicare enrollment
Enrolled (PECOS I20180912000392); 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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Verify Letitia Mazzaferro 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 RN2290780
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Associated Physicians OF Harvard Medical Faculty Physicians AT Beth ISBoston, MA
  2. Brigham And Womens Physicians Organization IncJamaica Plain, MA

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

Letitia Mazzaferro among 1,342 certified registered nurse anesthetist records in Massachusetts

Letitia Mazzaferro is one of 1,342 certified registered nurse anesthetist records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 64% of them.

  • NPI issued2016 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2018 · median 2013 among the 1,006 with a school on file
  • Record last updated2018 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 certified registered nurse anesthetist record lists a practice address in East Weymouth

They are 1 of the 30 NPPES records with a practice address in East Weymouth, and 1,342 certified registered nurse anesthetist records in Massachusetts.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Roger Atkinson, CRNAWeymouth, MA 021891972680114
  2. Joseph Coduti, CRNAWeymouth, MA 021891780761924
  3. Mary Lou Duthie, CRNAWeymouth, MA 021891750468997
  4. Eric Hamel, CRNAWeymouth, MA 021891477631810
  5. Maryellen Hanchay, CPCWeymouth, MA 021891295813632
  6. Donna Harris, CRNAWeymouth, MA 021891932287372
  7. Pamela Hurst, RN, CRNAWeymouth, MA 021891508961285
  8. Kevin Kelley, CRNAWeymouth, MA 021891295813558

Common questions

What is Letitia Mazzaferro's NPI number?

Letitia Mazzaferro's National Provider Identifier (NPI) is 1427406222, issued on Jun 2, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Letitia Mazzaferro located?

The NPPES record lists a practice address at 163 Libbey Pkwy Ste 301, East Weymouth, MA, 02189. Phone: (781) 337-4224. Providers update this record themselves, so call before visiting.

How can I verify Letitia Mazzaferro's license?

NPPES lists Massachusetts license number RN2290780, 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.