Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Peter Nielson

Individual provider Anesthesiology Physician · NPI 1265993349

Peter Nielson practises Anesthesiology in Burlington, Massachusetts. Qualified in 2019, 7 years ago. Practices with Lahey Clinic Inc, a 1,372-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Nevada.

Years since qualifying
7
Licensed in
MA, NV
In the registry since
2019
Specialties on file
3
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Practice location Address checks out

41 Mall Rd
Burlington, MA 01805-0002
Phone: (781) 744-2920
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 625 Innovation Dr, Reno, NV 89511-2215 — (775) 799-7320

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 1022092 (MA)
Anesthesiology Physician Taxonomy 207L00000X · Licence 23796 (NV)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1265993349
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 29, 2019
Last updated in NPPESApril 21, 2025
Certification dateApril 21, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Lahey Clinic Inc — 1372 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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 patients119
Services billed 140 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Lahey Clinic Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1372 clinicians in the practice; 12 are shown here.

Other providers in Burlington