THOMAS LARSON
NPI 1427038017
Internal Medicine - Gastroenterology in Santa Cruz, CA

Q: What is Thomas Larson's NPI number?

The NPI number for Thomas Larson is 1427038017. It was assigned to this individual provider in the NPPES registry on January 19, 2006.

Q: What is Thomas Larson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Larson was last updated on December 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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 January 19, 2006Accepts Medicare Assignment

2850 COMMERCIAL CROSSING, SANTA CRUZ, CA 95065(831) 460-7350 Get Directions Write a Review

NPPES record last updated: December 23, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Thomas Larson NPPES

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

THOMAS LARSON (NPI 1427038017) is an individual gastroenterology provider in Santa Cruz, California, licensed in California (G34674) and active in the NPI registry since January 2006. He is a graduate of Other (1976).

NPPES Registry Identity

NPI1427038017

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameTHOMAS LARSON

Location Address2850 COMMERCIAL CROSSINGSanta Cruz, CA 95065-1702

Mailing Address2025 Soquel Ave.Santa Cruz, CA 95062-1323

Phone(831) 460-7350

Sole ProprietorNo

Medical School CMSOtherGraduated 1976

Enumeration DateJanuary 19, 2006

Last NPPES UpdateDecember 23, 2011

✔ NPI 1427038017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · G34674

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

2850 COMMERCIAL CROSSING, Santa Cruz, CA 95065

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Other Identifiers 1

Medicare UPINA46025

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Larson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012819675

PECOS Enrollment IDI20080702000700

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95065 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

$141.77 typical visit price

range $62.97 – $186.69

Typical copayment $35.44 (range $15.74 – $46.67)

Most-billed visit code 99204

Established Patient

$109.72 typical visit price

range $21.02 – $153.16

Typical copayment $27.43 (range $5.25 – $38.29)

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 5

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

GEOFFREY BERNSTEIN MD

Internal Medicine (Gastroenterology)