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Active NPI 1952384711 Individual Practitioner Male Practitioner

Dr. David Tadashi Aoyama , MD

Internal Medicine • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Dr. David Aoyama, MD is a registered healthcare professional specializing in Internal Medicine in Seattle, WA. Practice services are available at 1801 NW MARKET ST under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, established patient assisted living visit, physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1801 Nw Market St
Suite 309

Seattle, WA 981073987

Telephone 2067840940
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Seattle, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 20.3 Yrs
State Avg: 23.4 Yrs
Regional Practice Density
839 Specialists

Practicing in Seattle, WA (3169 Statewide)

Telehealth Adoption Rate
26.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
12.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2018)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
85 70 $122.75 $106.64
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
20 20 $165.05 $144.68

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD00017765

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
1609403 (WA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Dr. Richard Fogerty , MD

Internal Medicine

NPI 1346223815

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1801 NW MARKET ST, SUITE 309, SEATTLE, WA 981073987 (Tel: 2067840940)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1801 NW MARKET ST, SUITE 309, SEATTLE, WA 981073987 (Tel: 2067840940)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as DAVID AOYAMA, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #MD00017765 in WA)

🟢
Initial NPI Registration & Enumeration November 25, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1952384711
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 25, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

1801 Nw Market St, Suite 309

Seattle, WA 981073987

Phone: 2067840940

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.