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Active NPI 1942322987 Individual Practitioner Male Practitioner

Dr. Wayne Wei-Yi Chang , MD

Internal Medicine • Milpitas, CA

Professional Overview & Biography Verified Profile Summary

Dr. Wayne Chang, MD is a registered healthcare professional specializing in Internal Medicine in Milpitas, CA. Practice services are available at 770 E CALAVERAS BLVD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

770 E Calaveras Blvd

Milpitas, CA 950355491

Telephone 4089452933
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Milpitas, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.8 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
42 Specialists

Practicing in Milpitas, CA (18502 Statewide)

Telehealth Adoption Rate
9.5% 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

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A96093

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

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

14 Associated Practitioners
Dr. Chanan Duong , MD

Obstetrics & Gynecology

NPI 1003379702

Doctor of Medicine (M.D.)

Dr. Thao Pham , MD

Internal Medicine

NPI 1275751174

Doctor of Medicine (M.D.)

NPI 1427345230

Doctor of Medicine (M.D.)

Dr. Andrea Bowen , MD

Obstetrics & Gynecology - Obstetrics

NPI 1477871945

Doctor of Medicine (M.D.)

NPI 1487094579

Doctor of Medicine (M.D.)

NPI 1487708897

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 September 26, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location September 26, 2010

Registered at 770 E CALAVERAS BLVD, MILPITAS, CA 950355491 (Tel: 4089452933)

📍
Updated Business Mailing Address September 26, 2010

Registered at 770 E CALAVERAS BLVD, MILPITAS, CA 950355491 (Tel: 4089452933)

👤
Provider Name / Credentials Updated September 26, 2010

Recorded as WAYNE CHANG, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2010

Internal Medicine (License #A96093 in CA)

🟢
Initial NPI Registration & Enumeration April 03, 2007

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: 1942322987
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 03, 2007
Last Update: December 09, 2021
Sole Proprietor: No

Mailing Address

770 E Calaveras Blvd

Milpitas, CA 950355491

Phone: 4089452933

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.