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

DR. DAVID TADASHI AOYAMA MD
NPI 1952384711
Internal Medicine in Seattle, WA

Active since November 25, 2005
1801 NW MARKET ST, SUITE 309, SEATTLE, WA 98107(206) 784-0940 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. David Tadashi Aoyama Md NPPES

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

DR. DAVID TADASHI AOYAMA MD (NPI 1952384711) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (MD00017765) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1952384711
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DAVID TADASHI AOYAMACredential: MD
Location Address1801 NW MARKET ST, SUITE 309Seattle, WA 98107-3987
Mailing Address1801 Nw Market St, Suite 309Seattle, WA 98107-3987 · (206) 784-0940
Sole ProprietorNo
Enumeration DateNovember 25, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1952384711 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WA · MD00017765
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.
1801 NW MARKET ST, Seattle, WA 98107

Other Identifiers 1

Medicaid1609403WA

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.

Dentist (Oral and Maxillofacial Surgery)
1801 NW MARKET ST, SUITE 108
SEATTLE, WA 98107
Family Medicine
1801 NW MARKET ST, SUITE 203
SEATTLE, WA 98107
Otolaryngology
1801 NW MARKET ST, SUITE 411
SEATTLE, WA 98107
Obstetrics & Gynecology
1801 NW MARKET ST, 207
SEATTLE, WA 98107
Massage Therapist
1801 NW MARKET ST, SUITE 200
SEATTLE, WA 98107
Dentist (Oral and Maxillofacial Surgery)
1801 NW MARKET ST, SUITE 108
SEATTLE, WA 98107
Family Medicine
1801 NW MARKET ST, SUITE 203
SEATTLE, WA 98107
Internal Medicine
1801 NW MARKET ST, SUITE 309
SEATTLE, WA 98107

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 David Aoyama's NPI number?

The NPI number for David Aoyama is 1952384711. It was assigned to this individual provider in the NPPES registry on November 25, 2005.

Where is David Aoyama located?

David Aoyama practices at 1801 NW Market St Suite 309, Seattle, WA 98107. The listed phone number is (206) 784-0940.

What is David Aoyama'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 David Aoyama 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 27 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.