Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1679579338 Individual Practitioner Male Practitioner

Dr. William T Mason , MD

Internal Medicine • Providence, RI

Professional Overview & Biography Verified Profile Summary

Dr. William Mason, MD is a registered healthcare professional specializing in Internal Medicine in Providence, RI. Practice services are available at 1 HOPPIN ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1 Hoppin St
3rd Floor

Providence, RI 029034141

Telephone 4017938400
Fax 4017938402
Associated Practice Facility / Clinic
🏢 Rhode Island Hospital Facility NPI 1093849036

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Providence, RI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 17.8 Yrs
State Avg: 27.9 Yrs
Regional Practice Density
523 Specialists

Practicing in Providence, RI (1079 Statewide)

Telehealth Adoption Rate
9.4% 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 RI MD05520

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.

Internal Medicine - Rheumatology

NUCC Taxonomy Code: 207RR0500X

State License RI MD05520

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
7001782 (RI)

Practice Associates & Co-Workers

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

15 Associated Practitioners
Margaret Codispoti , RN, CDOE

Registered Nurse - Diabetes Educator

NPI 1033589676

Registered Nurse, CDOE

Robyn Ostapow , PA-C

Physician Assistant

NPI 1104819341

Physician Assistant (Certified)

Dr. Walter Goula , MD

Internal Medicine

NPI 1144285859

Doctor of Medicine (M.D.)

Jessica Duncan , NP-C

Nurse Practitioner - Primary Care

NPI 1215304837

Nurse Practitioner (Certified)

Dr. Joan Goddard , MD

Internal Medicine

NPI 1225034077

Doctor of Medicine (M.D.)

Dr. Diane Siedlecki , MD

Internal Medicine

NPI 1265438923

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 September 07, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location September 07, 2007

Registered at 1 HOPPIN ST, 3RD FLOOR, PROVIDENCE, RI 029034141 (Tel: 4017938400)

📍
Updated Business Mailing Address September 07, 2007

Registered at 1 HOPPIN ST, 3RD FLOOR, PROVIDENCE, RI 029034141 (Tel: 4017938400)

👤
Provider Name / Credentials Updated September 07, 2007

Recorded as WILLIAM MASON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 07, 2007

Internal Medicine (License #MD05520 in RI)

🟢
Initial NPI Registration & Enumeration June 27, 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: 1679579338
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 27, 2005
Last Update: September 07, 2007
Sole Proprietor: No

Mailing Address

1 Hoppin St, 3rd Floor

Providence, RI 029034141

Phone: 4017938400

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.