Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1184787525 Individual Practitioner Male Practitioner

Dr. Carl Jeffries Mason , MD

Internal Medicine • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Dr. Carl Mason, MD is a registered healthcare professional specializing in Internal Medicine in Seattle, WA. Practice services are available at 24 ROY ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

24 Roy St
Suite 120

Seattle, WA 981094018

Telephone 8054558593
Fax 8054351509

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
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License PA MD038142E

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.

Preventive Medicine - Public Health & General Preventive Medicine

NUCC Taxonomy Code: 2083P0901X

State License PA MD038142E

Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

Practice Associates & Co-Workers

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

5 Associated Practitioners
NPI 1366747933

Master of Science, Board Certified Behavior Analyst

NPI 1790089803

Master of Science, Board Certified Behavior Analyst

NPI 1801294681

Master of Education

Iisha Gwynn

Behavior Analyst

NPI 1932589280
Lacy Cheers

Behavior Analyst

NPI 1952702441

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active September 25, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location September 25, 2014

Registered at 24 ROY ST, SUITE 120, SEATTLE, WA 981094018 (Tel: 8054558593)

📍
Updated Business Mailing Address September 25, 2014

Registered at 24 ROY ST, SUITE 120, SEATTLE, WA 981094018 (Tel: 8054558593)

👤
Provider Name / Credentials Updated September 25, 2014

Recorded as CARL MASON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 25, 2014

Internal Medicine (License #MD038142E in PA)

🟢
Initial NPI Registration & Enumeration December 18, 2006

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: 1184787525
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 18, 2006
Last Update: September 25, 2014
Sole Proprietor: No

Mailing Address

24 Roy St, Suite 120

Seattle, WA 981094018

Phone: 8054558593

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.