Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KENNETH ROBERT LARSEN D.O
NPI 1003894940
Emergency Medicine in Warwick, RI

Q: What is Kenneth Larsen's NPI number?

The NPI number for Kenneth Larsen is 1003894940. It was assigned to this individual provider in the NPPES registry on December 31, 2005.

Q: What is Kenneth Larsen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Kenneth Larsen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 31, 2005PECOS Enrolled

455 TOLL GATE RD, WARWICK, RI 02886(401) 736-4289 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Kenneth Robert Larsen D.o NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KENNETH ROBERT LARSEN D.O (NPI 1003894940) is an individual emergency medicine provider in Warwick, Rhode Island, licensed in Rhode Island (490) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003894940

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameKENNETH ROBERT LARSENCredential: D.O

Location Address455 TOLL GATE RDWarwick, RI 02886-2759

Mailing Address382 Grindstone Hill RdNorth Stonington, CT 06359-1106 · (860) 599-1871 · Fax (860) 599-6071

Phone(401) 736-4289

Sole ProprietorNo

Enumeration DateDecember 31, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1003894940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in RI · 490✔ Licensed in CT · 273

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

455 TOLL GATE RD, Warwick, RI 02886

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kenneth Robert Larsen D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02886 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.48 typical visit price

range $58.57 – $177.03

Typical copayment $22.62 (range $14.64 – $44.25)

Most-billed visit code 99203

Established Patient

$103.10 typical visit price

range $18.92 – $144.38

Typical copayment $25.77 (range $4.73 – $36.09)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STERLING LEAF MALISH M.D.

Internal Medicine