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Active NPI 1134577141 Individual Practitioner Male Practitioner

Patrick W. O'brien , PA-C

Physician Assistant - Surgical • Springfield, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Patrick O'Brien, PA-C is a certified Physician Assistant - Surgical practicing in Springfield, MA. With approximately 10 years of clinical experience since completing medical education in 2016, Patrick O'Brien delivers high-quality medical care to the local community at 271 CAREW ST.

Patrick O'Brien maintains professional affiliations with Sc Orthopedics Of New England, Pc., Riverbend Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include replacement of knee joint, both sides of knee. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

271 Carew St

Springfield, MA 011042377

Telephone 4137487353
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant - Surgical in Springfield, MA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -2.4 yrs vs City Avg
City Avg: 12.4 Yrs
State Avg: 14.3 Yrs
Regional Practice Density
84 Specialists

Practicing in Springfield, MA (523 Statewide)

Telehealth Adoption Rate
6.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
94.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. O'brien (10 Years) 10 Yrs
Springfield Specialty Average (12.4 Years) 12.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
27447 Replacement of knee joint, both sides of knee
16 15 $3037.00 $176.75

Medical Specialties & State Licenses

CMS Verified: 2026-07-31
Physician Assistant - Surgical Primary Specialty

NUCC Taxonomy Code: 363AS0400X

Definition to come...

Physician Assistant - Surgical

NUCC Taxonomy Code: 363AS0400X

Definition to come...

Hospital & Practice Group Affiliations

Sc Orthopedics Of New England, Pc.

271 Carew St, Springfield, MA 011042377

Phone: 4134526251

Riverbend Medical Group Inc

233 Carew St, Springfield, MA 011042377

Phone: 4137489212

Sc Orthopedics Of New England, Pc.

401 Chestnut St, Springfield, MA 011043404

Phone: 4134526251

Riverbend Medical Group Inc

271 Carew St, Springfield, MA 011042377

Phone: 4137489000

Practice Associates & Co-Workers

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

2 Associated Practitioners
Mackenzie Gray , PA-C

Physician Assistant - Surgical

NPI 1407479272

Physician Assistant (Certified)

Michael Schwarz , PA-C

Physician Assistant - Surgical

NPI 1881658854

Physician Assistant (Certified)

Career & Practice History Timeline

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

11 Historical Events
📍
Updated Business Mailing Address July 31, 2026

Registered at 271 CAREW ST, DEPARTMENT OF SURGERY, SPRINGFIELD, MA 011042377 (Tel: 4137487353)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 31, 2026

Physician Assistant

📍
Updated Business Mailing Address January 18, 2021

Registered at 271 CAREW ST, SPRINGFIELD, MA 011042377 (Tel: 4134526251)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 18, 2021

Physician Assistant

📍
Updated Practice Location January 06, 2021

Registered at 271 CAREW ST, SPRINGFIELD, MA 011042377 (Tel: 4134526251)

NPI Profile Active October 09, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location October 09, 2016

Registered at 747 AMOSTOWN RD, WEST SPRINGFIELD, MA 010894302 (Tel: 4132224093)

📍
Updated Business Mailing Address October 09, 2016

Registered at 747 AMOSTOWN RD, WEST SPRINGFIELD, MA 010894302 (Tel: 4132224093)

👤
Provider Name / Credentials Updated October 09, 2016

Recorded as PATRICK O'BRIEN, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 09, 2016

Physician Assistant

🟢
Initial NPI Registration & Enumeration May 31, 2016

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: 1134577141
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 31, 2016
Last Update: July 31, 2026
Sole Proprietor: No

Mailing Address

271 Carew St, Department Of Surgery

Springfield, MA 011042377

Phone: 4137487353

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.