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Active NPI 1376609180 Individual Practitioner Male Practitioner

Dr. William G. Tsiaras , MD

Ophthalmology • Providence, RI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Tsiaras, MD is a certified Ophthalmology practicing in Providence, RI. With approximately 51 years of clinical experience since graduating from Warren Alpert Medical School Of Brown University in 1975, Dr. Tsiaras delivers high-quality medical care to the local community at 78 BAKER ST.

Dr. Tsiaras accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, imaging of retina, imaging of optic nerve. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

78 Baker St

Providence, RI 029054417

Telephone 4018314592
Fax 4018314643

Medicare Profile & Education

Medical School

Warren Alpert Medical School Of Brown University

Graduation Year

1975

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Providence, RI

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
51 Yrs +21.1 yrs vs City Avg
City Avg: 29.9 Yrs
State Avg: 33.9 Yrs
Regional Practice Density
34 Specialists

Practicing in Providence, RI (92 Statewide)

Telehealth Adoption Rate
8.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
58.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tsiaras (51 Years) 51 Yrs
Providence Specialty Average (29.9 Years) 29.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92014 Established patient complete exam of visual system
762 530 $277.00 $126.98
92134 Imaging of retina
278 204 $80.00 $40.73
92133 Imaging of optic nerve
97 84 $120.00 $36.70
92012 Established patient problem focused exam of visual system
31 26 $195.00 $90.19
92083 Exam of visual field with extended testing
15 15 $202.00 $64.30

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License RI 4952

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
9000834 (RI)
Commercial Insurance / Payer ID Bcbs - Blue Chip
002289 (RI)
Commercial Insurance / Payer ID Neighborhood Health Plan Of Ri
9810 (RI)
Commercial Insurance / Payer ID Harvard Pilgrim Healthcare
15064RIH (RI)
Commercial Insurance / Payer ID Railroad Medicare
180021373 (RI)
Commercial Insurance / Payer ID Bcbs Of Ri
834 (RI)

Practice Associates & Co-Workers

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

3 Associated Practitioners
NPI 1053468454

Doctor of Medicine (M.D.)

NPI 1154487684

Doctor of Medicine (M.D.)

Dr. King To , MD

Ophthalmology

NPI 1174670806

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 18, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location July 18, 2016

Registered at 78 BAKER ST, PROVIDENCE, RI 029054417 (Tel: 4018314592)

📍
Updated Business Mailing Address July 18, 2016

Registered at 78 BAKER ST, PROVIDENCE, RI 029054417 (Tel: 4018314592)

👤
Provider Name / Credentials Updated July 18, 2016

Recorded as WILLIAM TSIARAS, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 18, 2016

Ophthalmology (License #4952 in RI)

🟢
Initial NPI Registration & Enumeration December 28, 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: 1376609180
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 28, 2006
Last Update: July 18, 2016
Sole Proprietor: Yes

Mailing Address

78 Baker St

Providence, RI 029054417

Phone: 4018314592

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.