Irineo Dizon Tiangco, M.D.

Internal Medicine

(619) 479-0320National City, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Irineo Tiangco, M.D. has practiced internal medicine for 41+ years, working in independent practice. With 41+ years of experience, he has been practicing in the National City area.

1 of 3,273 Internal Medicine providers in CASee all Internal Medicine in National City41+ years experienceNPI since 2006

Data updated 2011-02-23 on CMS NPPES

Contact & Location

Practice Location

2340 E 8th St Suite J, National City, CA 91950-2869

Fax: (619) 479-0367

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal MedicineAllopathic & Osteopathic Physicians

Internal medicine physician

Taxonomy: 207R00000X

Virtual Internal Medicine Care With Irineo Tiangco

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Irineo Tiangco for follow-ups, medication reviews, and ongoing care — no travel to National City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Irineo Tiangco

NPI records show Dr. Tiangco as active with telehealth listed in National City, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (619) 479-0320.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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