Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1982663050 Individual Practitioner Male Practitioner

Dr. Mark Winston Brown , MD

Specialist • Tustin, CA

Professional Overview & Biography Verified Profile Summary

Dr. Mark Brown, MD is a registered healthcare professional specializing in Specialist in Tustin, CA. Practice services are available at 18102 IRVINE BLVD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

18102 Irvine Blvd

Tustin, CA 927803423

Telephone 7145084123
Fax 7145084134
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Tustin, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 31.5 Yrs
State Avg: 38.0 Yrs
Regional Practice Density
8 Specialists

Practicing in Tustin, CA (6446 Statewide)

Telehealth Adoption Rate
12.5% 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

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License CA G35526

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Practice Associates & Co-Workers

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

2 Associated Practitioners
Dr. David Kim , MD

Orthopaedic Surgery

NPI 1174665079

Doctor of Medicine (M.D.)

Dr. Soheil Aval , MD

Orthopaedic Surgery

NPI 1891837373

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 18102 IRVINE BLVD, TUSTIN, CA 927803423 (Tel: 7145084123)

📍
Updated Business Mailing Address July 08, 2007

Registered at 10602 GROVE OAK DR, SANTA ANA, CA 927052589

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARK BROWN, M.D.

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

Specialist (License #G35526 in CA)

🟢
Initial NPI Registration & Enumeration March 18, 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: 1982663050
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 18, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

10602 Grove Oak Dr

Santa Ana, CA 927052589

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.