Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1124244207 Individual Practitioner Female Practitioner

Dr. Susan Lee Masonis , MD

Internal Medicine • Seattle, WA

✓ Accepts Medicare Assignment
Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Susan Masonis, MD is a registered Internal Medicine practitioner in Seattle, WA. With approximately 25 years of clinical practice since graduating from Jefferson Medical College Of Thomas Jefferson University in 2001, Dr. Masonis provides healthcare services at the registered practice location at 747 BROADWAY.

Dr. Masonis is affiliated with Kaiser Foundation Health Plan Of Washington and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

747 Broadway

Seattle, WA 981224379

Telephone 2063862202
Associated Practice Facility / Clinic
🏢 Swedish Health Services Facility NPI 1053362327

Medicare Profile & Education

Medical School

Jefferson Medical College Of Thomas Jefferson University

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Seattle, WA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
25 Yrs +4.7 yrs vs City Avg
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
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Masonis (25 Years) 25 Yrs
Seattle Specialty Average (20.3 Years) 20.3 Yrs

Medical Specialties & State Licenses

CMS Verified: 2021-04-27
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD00044807

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.

Hospital & Practice Group Affiliations

Kaiser Foundation Health Plan Of Washington

747 Broadway, Seattle, WA 981224379

Phone: 2063862202

Secondary Practice Locations

925 Seneca St, G2-Ghc

Seattle, WA 981012742

Phone: 2063410736

Practice Associates & Co-Workers

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

5 Associated Practitioners
NPI 1154565158

Doctor of Medicine (M.D.)

NPI 1689682718

Doctor of Osteopathic Medicine (D.O.)

Morgan Albrecht , MSW

Social Worker - Clinical

NPI 1730866120

Master of Social Work

Dr. David Gevorgyan , MD

Internal Medicine

NPI 1770997959

Doctor of Medicine (M.D.)

Dr. Robert Colbert , MD

Internal Medicine

NPI 1851500615

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location April 27, 2021

Registered at 747 BROADWAY, SEATTLE, WA 981224379 (Tel: 2063862202)

📍
Updated Business Mailing Address April 27, 2021

Registered at 747 BROADWAY, SEATTLE, WA 981224379 (Tel: 2063862202)

NPI Profile Active July 08, 2009

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2009

Registered at 925 SENECA ST, G2-GHC, SEATTLE, WA 981012742 (Tel: 2063410736)

📍
Updated Business Mailing Address July 08, 2009

Registered at 2220 11TH AVE E, SEATTLE, WA 981024112 (Tel: 2063295148)

👤
Provider Name / Credentials Updated July 08, 2009

Recorded as SUSAN MASONIS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2009

Internal Medicine (License #MD00044807 in WA)

🟢
Initial NPI Registration & Enumeration April 18, 2007

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: 1124244207
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 18, 2007
Last Update: April 27, 2021
Sole Proprietor: Yes

Mailing Address

747 Broadway

Seattle, WA 981224379

Phone: 2063862202

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.