NPPES file of Aug 9, 2026

Peter Nelson Leyva, CRNA

Certified Registered Nurse Anesthetist · Boston, MA

Peter Nelson Leyva, CRNA is a certified registered nurse anesthetist with a practice address in Boston, Massachusetts, and NPI 1023109980, issued on Sep 27, 2006. Check the license (Massachusetts NA142755, 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
1023109980
Name
Peter Nelson Leyva
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
NA142755 MA
Self-reported in NPPES; status is on the state search
Practice location
150 S Huntington Ave, Boston, MA 02130
Phone
(617) 232-9500
Enumerated
Sep 27, 2006
Record last updated
Aug 17, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180417002382); 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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8 nearest certified registered nurse anesthetist records → All 1,342 in Massachusetts → Look up another NPI →

Also registered at 150 S Huntington Ave

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

  1. Deepa Acharya, PH.D.Clinical Psychologist1861728628
  2. Ikechukwu Achonye, PHARMDAmbulatory Care Pharmacist1720877194
  3. Brittini Allain, PHARM.DPharmacist1285035758
  4. Geraldine Allen, TECHNICIAN/OTHEROther Technician1265670541
  5. Nancy Allen, R.N.Neuroscience Clinical Nurse Specialist1861542458
  6. Elizabeth Alpert, PH.D.Clinical Psychologist1801584768

Verify Peter Nelson Leyva 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 NA142755    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 one group practice

  1. South Suburban Gastroenterology PCWeymouth, MA

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

Peter Nelson Leyva among 1,342 certified registered nurse anesthetist records in Massachusetts

Peter Nelson Leyva, CRNA 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 66% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2003 · median 2013 among the 1,006 with a school on file
  • Record last updated2012 · 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).

Certified Registered Nurse Anesthetist providers in Massachusetts

There are 1,342 certified registered nurse anesthetist records in Massachusetts.

All 1,342 in Massachusetts → Every provider in Boston → Certified Registered Nurse Anesthetist nationwide →

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

  1. Yogeld Andre, CRNABoston, MA 021301871971267
  2. Katherine Canina, CRNABoston, MA 021301851681209
  3. Olivia DinardoBoston, MA 021301972952810
  4. Michele Hermes, CRNABoston, MA 021301083653281
  5. Krista Klopfenstein, CRNAJamaica Plain, MA 021301689642423
  6. Michael McSweeney, CRNAJamaica Plain, MA 021301437543956
  7. Elizabeth O'Brien, RN, CRNABoston, MA 021301144670647
  8. Melanie Omojola, CRNAJamaica Plain, MA 021301275776486

Common questions

What is Peter Nelson Leyva, CRNA's NPI number?

Peter Nelson Leyva, CRNA's National Provider Identifier (NPI) is 1023109980, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Nelson Leyva, CRNA located?

The NPPES record lists a practice address at 150 S Huntington Ave, Boston, MA, 02130. Phone: (617) 232-9500. Providers update this record themselves, so call before visiting.

How can I verify Peter Nelson Leyva, CRNA's license?

NPPES lists Massachusetts license number NA142755, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.