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Active NPI 1154611838 Individual Practitioner Male Practitioner

William Stephen Anderson , PA-C

Physician Assistant • Brighton, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

William Anderson, PA-C is a certified Physician Assistant practicing in Brighton, MA. With approximately 7 years of clinical experience since completing medical education in 2019, William Anderson delivers high-quality medical care to the local community at 736 CAMBRIDGE ST.

William Anderson is affiliated with Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit, x-ray of wrist, minimum of 3 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

736 Cambridge St

Brighton, MA 021352907

Telephone 6177796500
Fax 6177796785
Associated Practice Facility / Clinic
🏢 Caritas Medical Group, Inc. Facility NPI 1174513204

Medicare Profile & Education

Medical School

Other

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Brighton, MA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -0.4 yrs vs City Avg
City Avg: 7.4 Yrs
State Avg: 10.0 Yrs
Regional Practice Density
52 Specialists

Practicing in Brighton, MA (4746 Statewide)

Telehealth Adoption Rate
21.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
76.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Anderson (7 Years) 7 Yrs
Brighton Specialty Average (7.4 Years) 7.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
96 23 $25.00 $0.95
99213 Established patient office or other outpatient visit, typically 15 minutes
91 48 $280.53 $78.46
73110 X-ray of wrist, minimum of 3 views
52 23 $116.21 $36.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
44 41 $380.02 $108.03
73140 X-ray of finger, minimum of 2 views
25 19 $112.88 $34.95
20604 Aspiration and/or injection of fluid from small joint using ultrasound guidance
21 14 $603.43 $69.48
20550 Injection into tendon or ligament
17 11 $203.00 $40.97
73130 X-ray of hand, minimum of 3 views
15 11 $96.00 $39.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
11 11 $480.00 $143.33

Medical Specialties & State Licenses

CMS Verified: 2026-02-17
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License RI PA01652

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant - Surgical

NUCC Taxonomy Code: 363AS0400X

Definition to come...

Physician Assistant

NUCC Taxonomy Code: 363A00000X

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

330 Brookline Ave, Boston, MA 022155400

Phone: 6177548612

Secondary Practice Locations

100 Oneil Blvd

Attleboro, MA 027034250

Phone: 5083421103

593 Eddy Street, Apc 4

Providence, RI 02903

Phone: 4014444700

Practice Associates & Co-Workers

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

14 Associated Practitioners
Roman Greer , PA

Physician Assistant

NPI 1245687144

Physician Assistant

Dr. James Bayley , MD

Orthopaedic Surgery - Orthopaedic Surgery of the Spine

NPI 1376657056

Doctor of Medicine (M.D.)

Dr. Nicholas Elisseou , MD

Surgery - Surgery of the Hand

NPI 1386806867

Doctor of Medicine (M.D.)

Hannah Smith

Physician Assistant

NPI 1396429213
Dr. Amna Diwan , MD

Orthopaedic Surgery

NPI 1518162189

Doctor of Medicine (M.D.)

James Errante

Physician Assistant

NPI 1689522195

Career & Practice History Timeline

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

14 Historical Events
📍
Updated Practice Location February 17, 2026

Registered at 736 CAMBRIDGE ST, BRIGHTON, MA 021352907 (Tel: 6177796500)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2026

Physician Assistant

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2025

Physician Assistant (License #PA01652 in RI)

📍
Updated Practice Location February 19, 2025

Registered at 100 ONEIL BLVD, ATTLEBORO, MA 027034250 (Tel: 5083421103)

📍
Updated Business Mailing Address February 19, 2025

Registered at 100 ONEIL BLVD, ATTLEBORO, MA 027034250 (Tel: 5083421103)

📍
Updated Practice Location February 23, 2022

Registered at 55 FRUIT ST, BOSTON, MA 021142696 (Tel: 6177244133)

📍
Updated Business Mailing Address February 23, 2022

Registered at 55 FRUIT ST, BOSTON, MA 021142696 (Tel: 6177244133)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 23, 2022

Physician Assistant

NPI Profile Active January 08, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location January 08, 2013

Registered at 1935 MEDICAL DISTRICT DR, DALLAS, TX 752357701 (Tel: 2144567000)

📍
Updated Business Mailing Address January 08, 2013

Registered at 1935 MEDICAL DISTRICT DR, DALLAS, TX 752357701 (Tel: 2144567000)

👤
Provider Name / Credentials Updated January 08, 2013

Recorded as WILLIAM ANDERSON, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 08, 2013

Physician Assistant

🟢
Initial NPI Registration & Enumeration April 14, 2011

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: 1154611838
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 14, 2011
Last Update: February 17, 2026
Sole Proprietor: Yes

Mailing Address

100 Oneil Blvd

Attleboro, MA 027034250

Phone: 5083421103

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.