Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Peter Nelson Leyva, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1023109980

Mr. Peter Nelson Leyva, CRNA is registered under Certified Registered Nurse Anesthetist (CRNA) in Boston, Massachusetts. Qualified in 2003, 23 years ago. Practices with South Suburban Gastroenterology PC, a 50-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
23
Licensed in
MA
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

150 S Huntington Ave
Boston, MA 02130-4817 Not confirmed with CMS for 14 years — call before visiting
Phone: (617) 232-9500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence NA142755 (MA)

Record details

NPI number1023109980
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESAugust 17, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice South Suburban Gastroenterology Pc — 50 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients408
Services billed 433 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at South Suburban Gastroenterology PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 50 clinicians in the practice; 10 are shown here.

Other providers in Boston