Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1639691579 Individual Practitioner Male Practitioner

Dr. Jee Hoon Jang , MD

Internal Medicine • Simi Valley, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jee Hoon Jang, MD is a certified Internal Medicine practicing in Simi Valley, CA. With approximately 11 years of clinical experience since completing medical education in 2015, Dr. Jang delivers high-quality medical care to the local community at 1424 MADERA RD.

Dr. Jang is affiliated with Clinicas Del Camino Real Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

1424 Madera Rd

Simi Valley, CA 930653053

Telephone 8055225722
Fax 8059154141
Associated Practice Facility / Clinic
🏢 Clinicas Del Camino Real Inc Facility NPI 1720362056

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Simi Valley, CA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs -12.9 yrs vs City Avg
City Avg: 23.9 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
26 Specialists

Practicing in Simi Valley, CA (18502 Statewide)

Telehealth Adoption Rate
34.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Jang (11 Years) 11 Yrs
Simi Valley Specialty Average (23.9 Years) 23.9 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-01-08
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A173800

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.

Pathology - Clinical Informatics

NUCC Taxonomy Code: 207ZC0008X

State License CA A173800

Physicians who practice Clinical Informatics collaborate with other health care and information technology professionals to analyze, design, implement and evaluate information and communication systems that enhance individual and population health outcomes, improve patient care, and strengthen the clinician-patient relationship. Clinical Informaticians use their knowledge of patient care combined with their understanding of informatics concepts, methods, and tools to: assess information and knowledge needs of health care professionals and patients; characterize, evaluate, and refine clinical processes; develop, implement, and refine clinical decision support systems; and lead or participate in the procurement, customization, development, implementation, management, evaluation, and continuous improvement of clinical information systems.

Hospital & Practice Group Affiliations

Clinicas Del Camino Real Inc

1424 Madera Rd, Simi Valley, CA 930653053

Phone: 8055225722

Practice Associates & Co-Workers

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

8 Associated Practitioners
Betty Gutman , LCSW

Social Worker - Clinical

NPI 1023199510

Licensed Clinical Social Worker

NPI 1336773811

PHYSICIANASSISTANT

Michelle Silva

Nurse Practitioner - Family

NPI 1487104758
NPI 1568668606
NPI 1598622987

NURSEPRACTITIONER

NPI 1659061265

Doctor of Chiropractic

Career & Practice History Timeline

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

13 Historical Events
📍
Updated Practice Location January 08, 2026

Registered at 1424 MADERA RD, SIMI VALLEY, CA 930653053 (Tel: 8055225722)

📍
Updated Business Mailing Address June 18, 2025

Registered at 1040 FLYNN RD, CAMARILLO, CA 930125092 (Tel: 8056733930)

👤
Provider Name / Credentials Updated July 13, 2022

Recorded as JEE HOON JANG, MD

📍
Updated Practice Location July 01, 2022

Registered at 15095 AMARGOSA RD BLDG 1, STE 102, VICTORVILLE, CA 923941875 (Tel: 8008215675)

📍
Updated Business Mailing Address July 01, 2022

Registered at 866 S WESTMORELAND AVE STE 101, LOS ANGELES, CA 900052372 (Tel: 8008215675)

👤
Provider Name / Credentials Updated July 01, 2022

Recorded as JEEHOON JANG, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 01, 2022

Pathology (License #A173800 in CA)

NPI Profile Active July 12, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location July 12, 2017

Registered at 350 ENGLE ST., ENGLEWOOD, NJ 07631 (Tel: (201) 894-3000)

📍
Updated Business Mailing Address July 12, 2017

Registered at 350 ENGLE ST, ENGLEWOOD, NJ 076311808 (Tel: 2018943000)

👤
Provider Name / Credentials Updated July 12, 2017

Recorded as JEE HOON JANG

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 12, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration July 12, 2017

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: 1639691579
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 12, 2017
Last Update: January 08, 2026
Sole Proprietor: No

Mailing Address

1040 Flynn Rd

Camarillo, CA 930125092

Phone: 8056733930

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.