MATTHEW TIACHAROEN MD
NPI 1457049595
Emergency Medicine in Temecula, CA

Q: What is Matthew Tiacharoen's NPI number?

The NPI number for Matthew Tiacharoen is 1457049595. It was assigned to this individual provider in the NPPES registry on April 26, 2023.

Q: What is Matthew Tiacharoen's specialty?

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

Active since April 26, 2023PECOS Enrolled

31700 TEMECULA PKWY STE GME 3, TEMECULA, CA 92592(951) 331-2535 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Matthew Tiacharoen Md NPPES

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

MATTHEW TIACHAROEN MD (NPI 1457049595) is an individual emergency medicine provider in Temecula, California, licensed in California (A200917) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Human Medicine (2023).

NPPES Registry Identity

NPI1457049595

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameMATTHEW TIACHAROENCredential: MD

Location Address31700 TEMECULA PKWY STE GME 3Temecula, CA 92592-5896

Mailing Address31700 Temecula Pkwy Ste Gme 3Temecula, CA 92592-5896

Phone(951) 331-2535

Sole ProprietorNo

Medical School CMSMichigan State University College Of Human MedicineGraduated 2023

Enumeration DateApril 26, 2023

Last NPPES UpdateNovember 18, 2025

NPPES CertifiedNovember 18, 2025

✔ NPI 1457049595 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A200917

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.

31700 TEMECULA PKWY STE GME 3, Temecula, CA 92592

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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)

Matthew Tiacharoen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507355005

PECOS Enrollment IDI20251026000225

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 92592 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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 17

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

PHILINE JOHANNA ENDRES-SHAFER MD

Emergency Medicine