Internal Medicine in Simi Valley - ProviderMatch

Internal Medicine • Simi Valley, CA

Home/Simi Valley/Internal Medicine/Internal Medicine in Simi Valley - ProviderMatch

About

Call clinic Visit website Get directions

Clinic Type

Internal Medicine

Address

—

Phone

818-246-5900

Email

—

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://doctors.adventisthealth.org/specialty/Internal%20Medicine/near/Simi%20Valley?page=1

Services Offered

—

Team

Ruzanna R Alexanian — MD
James Darrell Mosson — MD
Ali Ghassan Darwish — MD
Syed A Hasan — MD
Mohammad A Chaudhry — MD
Brittney Blair Mensen — DO
Robert Brian Cardenas — PA-C
Lymar G Bik — MD
Courtney Margaret Craigan — FNP
Hector M De Jesus — MD
Susan T Locke — MD
Edmund See-Ming Ho — MD

Insurance & Payment

—

Languages Spoken

—

Social Media

Twitter Youtube Facebook Linkedin Instagram

Photos

What Patients Say

Overall sentiment across review platforms: mixed

UCLA Health (Dr. Diana Sarkisyan): 4.8/5 (92 reviews (144 ratings))
Healthgrades (Dr. Archana Kulai): 4.9/5 (344 reviews)
Birdeye (Adventist Health Simi Valley): Not specified (3,575 reviews)

Patients praise

Professional and personable care
Effective communication and active listening by physicians
Thorough examinations and proactive health monitoring
Responsive and supportive staff in certain departments

Common complaints

Difficulty reaching office staff via phone
Communication delays regarding prescription refills
Mismatch in medical philosophy between patient and provider

"Dr. Sarkisyan is terrific! So personable, professional and a great listener."

— UCLA Health patient review

"Dr. Kulai is the best takes her time discusses everything and explains so I can understand it."

— Healthgrades patient review

"I have tried calling the office multiple times and I have pressed every prompt from scheduling to infectious disease and NO one answers the phone... the staff does not believe in customer services."

— Birdeye patient review (Adventist Health Simi Valley)

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Gabriela Rodriguez Melgoza, MD - Internal Medicine - Simi Valley Primary & Specialty Care | UCLA Health — May 29, 2026
Dr. Jenna Rose Gharzeddine, MD - Simi Valley, CA - Internal Medicine — Aug 13, 2025
Diana Sarkisyan, MD - Internal Medicine - Simi Valley Primary & Specialty Care | UCLA Health — Apr 30, 2026

Information sourced from the clinic's website as of July 10, 2026. Own this clinic? Claim or correct this listing.