NPPES file of Aug 9, 2026

Tory Leif Larsen, APRN, NP

Acute Care Nurse Practitioner · Cambridge, MA

Tory Leif Larsen, APRN, NP is an acute care nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1669920179, issued on Sep 13, 2016. Check the license (Massachusetts 2308024, 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
1669920179
Name
Tory Leif Larsen
Credential
APRN, NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
2308024 MA
Self-reported in NPPES; status is on the state search
Practice location
872 Mass Ave, Cambridge, MA 02139
Phone
(973) 919-4816
Enumerated
Sep 13, 2016
Record last updated
Jun 21, 2023
Medicaid ID
110122144A MA
Medicare enrollment
Enrolled (PECOS I20170504000068); 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 acute care nurse practitioner records → All 598 in Massachusetts → Look up another NPI →

Also registered at 872 Mass Ave

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

  1. Ilana Tal, PH.D.Clinical Psychologist1275679771

Verify Tory Leif Larsen 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 2308024    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. Lahey Clinic IncBurlington, MA

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

Tory Leif Larsen among 598 acute care nurse practitioner records in Massachusetts

Tory Leif Larsen, APRN, NP is one of 598 acute care nurse practitioner records with a practice address in Massachusetts. 74% 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 53% of them.

  • NPI issued2016 · 53% of these records are older, 42% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2016 · median 2016 among the 341 with a school on file
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Massachusetts

There are 598 acute care nurse practitioner records in Massachusetts.

All 598 in Massachusetts → Every provider in Cambridge → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Jacqueline Eagan, NPCambridge, MA 021391780127191
  2. Janet Pelerossi, NPCambridge, MA 021391487051413
  3. Erin MerrittCambridge, MA 021381427784305
  4. Courtney Emery, NPBrighton, MA 021351104498674
  5. Zahra Fathi, RN/NPBrighton, MA 021351972864726
  6. Jesyca HerreraBrighton, MA 021351437936994
  7. Linda Le, ACNPC-AGBrighton, MA 021351770240467
  8. Elizabeth Zordok, NPBrighton, MA 021351831763978

Common questions

What is Tory Leif Larsen, APRN, NP's NPI number?

Tory Leif Larsen, APRN, NP's National Provider Identifier (NPI) is 1669920179, issued on Sep 13, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Tory Leif Larsen, APRN, NP located?

The NPPES record lists a practice address at 872 Mass Ave, Cambridge, MA, 02139. Phone: (973) 919-4816. Providers update this record themselves, so call before visiting.

How can I verify Tory Leif Larsen, APRN, NP's license?

NPPES lists Massachusetts license number 2308024, 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.