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DR. ALFONSO OLIVA TAN MD
NPI 1407085210
Internal Medicine in Winchester, OR

Active since July 14, 2009
305 THORA CIRCLE DR., WINCHESTER, OR 97495(541) 673-4516 Get Directions Write a Review

NPPES record last updated: July 14, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Alfonso Oliva Tan Md NPPES

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

DR. ALFONSO OLIVA TAN MD (NPI 1407085210) is an individual internal medicine provider in Winchester, Oregon, licensed in Oregon (MD13317) and active in the NPI registry since July 2009.

NPPES Registry Identity

NPI1407085210
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALFONSO OLIVA TANCredential: MD
Location Address305 THORA CIRCLE DR.Winchester, OR 97495
Mailing AddressPo Box 534Winchester, OR 97495-0534 · (541) 673-4516
Phone(541) 673-4516
Sole ProprietorYes
Enumeration DateJuly 14, 2009
✔ NPI 1407085210 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD13317
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
305 THORA CIRCLE DR., Winchester, OR 97495
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alfonso Tan's NPI number?

The NPI number for Alfonso Tan is 1407085210. It was assigned to this individual provider in the NPPES registry on July 14, 2009.

Where is Alfonso Tan located?

Alfonso Tan practices at 305 Thora Circle Dr., Winchester, OR 97495. The listed phone number is (541) 673-4516.

What is Alfonso Tan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Alfonso Tan was last updated on July 14, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.