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Active NPI 1780667345 Individual Practitioner Male Practitioner

Dr. James Eric Wiedeman , MD

Surgery • Mather, CA

Professional Overview & Biography Verified Profile Summary

Dr. James Wiedeman, MD is a registered healthcare professional specializing in Surgery in Mather, CA. Practice services are available at 10535 HOSPITAL WAY under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

10535 Hospital Way

Mather, CA 956554200

Telephone 9168437222
Fax 9163665475
Associated Practice Facility / Clinic
🏢 Va Mather Facility NPI 1437136066

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Mather, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.0 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
5 Specialists

Practicing in Mather, CA (3346 Statewide)

Telehealth Adoption Rate
0.0% 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 CA G77763

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.

Practice Associates & Co-Workers

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

3 Associated Practitioners
Dr. David Siegel , MD

Internal Medicine

NPI 1023092590

Doctor of Medicine (M.D.)

Janelle Michel , NP

Nurse Practitioner - Acute Care

NPI 1578546149

Nurse Practitioner

Dr. Stephen Drogin , MD

Internal Medicine

NPI 1891710315

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 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 10535 HOSPITAL WAY, MATHER, CA 956554200 (Tel: 9168437222)

📍
Updated Business Mailing Address July 08, 2007

Registered at 419 HERON PL, DAVIS, CA 956167512 (Tel: 5307590726)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JAMES WIEDEMAN, M.D.

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

Surgery (License #G77763 in CA)

🟢
Initial NPI Registration & Enumeration November 28, 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: 1780667345
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 28, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

419 Heron Pl

Davis, CA 956167512

Phone: 5307590726

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.