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Active NPI 1205875390 Individual Practitioner Male Practitioner

Dr. C William Kaiser , MD

Surgery • Concord, MA

Professional Overview & Biography Verified Profile Summary

Dr. C William Kaiser, MD is a registered healthcare professional specializing in Surgery in Concord, MA. Practice services are available at 8 MIDDLE ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

8 Middle St

Concord, MA 017422407

Telephone 5086623465

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Concord, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.0 Yrs
State Avg: 28.2 Yrs
Regional Practice Density
10 Specialists

Practicing in Concord, MA (1077 Statewide)

Telehealth Adoption Rate
10.0% 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

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MA 31877

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 8 MIDDLE ST, CONCORD, MA 017422407 (Tel: 5086623465)

📍
Updated Business Mailing Address July 08, 2007

Registered at 8 MIDDLE ST, CONCORD, MA 017422407 (Tel: 5086623465)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as C WILLIAM KAISER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #31877 in MA)

🟢
Initial NPI Registration & Enumeration June 05, 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: 1205875390
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 05, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

8 Middle St

Concord, MA 017422407

Phone: 5086623465

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.