NPPES file of Aug 9, 2026

Christopher Larsen, MS, FNP

Family Nurse Practitioner · Rochester, NY

Christopher Larsen, MS, FNP is a family nurse practitioner with a practice address in Rochester, New York, and NPI 1700750957, issued on Oct 1, 2025. Check the license (New York 358950, as entered in NPPES) with the New York 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
1700750957
Name
Christopher Larsen
Credential
MS, FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
358950 NY
Self-reported in NPPES; status is on the state search
Practice location
1000 South Ave, Rochester, NY 14620
Phone
(585) 341-6769
Enumerated
Oct 1, 2025
Record last updated
Mar 27, 2026
Medicare enrollment
Enrolled (PECOS I20260330003321); 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 family nurse practitioner records → All 14,805 in New York → Look up another NPI →

Also registered at 1000 South Ave

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

  1. Zahir Abu-Baker, B.S.Pharmacist1003111808
  2. Arin Affonso, PHARM.DPharmacist1811069677
  3. Danielle Agan, PA-CPhysician Assistant1902277189
  4. Bilal Ahmed, MDHospice and Palliative Medicine (Internal Medicine) Physician1043253701
  5. Egan Allen, M.D.Internal Medicine Physician1962471763
  6. Richard Allen, CRNACertified Registered Nurse Anesthetist1033228853

Verify Christopher Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 358950    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 New York 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. Highland Hospital OF RochesterRochester, NY

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

Christopher Larsen among 14,805 family nurse practitioner records in New York

Christopher Larsen, MS, FNP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 4% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2018 · median 2019 among the 7,239 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

803 family nurse practitioner records list a practice address in Rochester

They are 803 of the 20,520 NPPES records with a practice address in Rochester, and 14,805 family nurse practitioner records in New York.

All 14,805 in New York → Every provider in Rochester → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Colleen Bud, NP-CRochester, NY 146201881945764
  2. Lori Conway, RNFNPRochester, NY 146201366488066
  3. Shadefai Goldsmith, FNPRochester, NY 146201760622807
  4. Elizabeth Hughes, NPRochester, NY 146201689960726
  5. Gloria Ibezim, FAMILY NURSE PRACTRochester, NY 146201649529900
  6. Irina Kreminskiy, FNPRochester, NY 146201306899448
  7. Mary Meehan, NPRochester, NY 146201992704720
  8. Bethany Miller, NPRochester, NY 146201053500330

Common questions

What is Christopher Larsen, MS, FNP's NPI number?

Christopher Larsen, MS, FNP's National Provider Identifier (NPI) is 1700750957, issued on Oct 1, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Larsen, MS, FNP located?

The NPPES record lists a practice address at 1000 South Ave, Rochester, NY, 14620. Phone: (585) 341-6769. Providers update this record themselves, so call before visiting.

How can I verify Christopher Larsen, MS, FNP's license?

NPPES lists New York license number 358950, as entered by the provider. Search the New York 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.