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A

Anesthesiology
- Chan, Gary, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Coleman, Amber, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Hassan, Reham, DO
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Karpanian, Hagop, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 430 E Avenida De Los Arboles suite 205 Thousand Oaks, CA 91360
  - Phone: (805) 955-6250
  - Fax:
  - Status:
- Lam, Raymond, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Ostermann, Philip, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Perkins, Victor, DO
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Rad, Yaser, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2060-D Ave de Los Arboles, Suite 594 Thousand Oaks, CA 91362
  - Phone: (818) 445-4695
  - Fax: (818) 659-8795
  - Status:
- Sampson, Carlton, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Tarzi, Davood, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 3435 E Thousand Oaks Blvd Unit 6127 Thousand Oaks, CA 91359
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Thein, David, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
- Walker, Valeri, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 215 W Janss Road Thousand Oaks, CA 91360
  - Phone: (805) 370-4521
  - Fax: (805) 370-4490
  - Status:
C

Cardiothoracic Surgery
- Mohammadzadeh, Gholam, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 77 Rolling Oaks Dr Ste 202 Thousand Oaks, CA 91361
  - Phone: (805) 379-6717
  - Fax: (805) 379-6719
  - Status:
E

Endocrinology
- Wasser, Harris, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 1610 East Thousand Oaks Blvd Thousand Oaks, CA 91362
  - Phone: (805) 370-0005
  - Fax: (805) 370-0007
  - Status:
F

Family Medicine
- Rosaasen, Amanda, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 187 E Wilbur Rd Ste 100 Thousand Oaks, CA 91360
  - Phone: (805) 492-1015
  - Fax: (805) 492-2035
  - Status:
- Rosaasen, Jonathan, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 187 E Wilbur Rd Ste 100 Thousand Oaks, CA 91360
  - Phone: (805) 492-1015
  - Fax: (805) 492-2035
  - Status:
G

Gastroenterology
- Simoni, Gilbert, MD
  - Hospital: Adventist Health Sonora
  - Clinic:
  - Address: 555 Marin St Ste 270 Thousand Oaks, CA 91360
  - Phone: (805) 719-0244
  - Fax: (805) 777-1730
  - Status:
- Simoni, Gilbert, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 555 Marin St Ste 270 Thousand Oaks, CA 91360
  - Phone: (805) 719-0244
  - Fax: (805) 777-1730
  - Status:
General Surgery
- Arnaout, Walid, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 77 Rolling Oaks Dr Ste 203 Thousand Oaks, CA 91361
  - Phone: (805) 379-9696
  - Fax: (805) 379-9695
  - Status:
- Brooks, Mai, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2190 Lynn Rd Ste 200 Thousand Oaks, CA 91360
  - Phone: (805) 379-4677
  - Fax: (805) 495-1829
  - Status:
- Litvak, David, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 425 Haaland Drive 101 Thousand Oaks, CA 91361
  - Phone: (805) 496-2949
  - Fax: (805) 207-4076
  - Status:
H

Hematology/Oncology
- Slomowitz, Samuel, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 1250 La Venta Dr Ste 211 Thousand Oaks, CA 91360
  - Phone: (805) 496-5153
  - Fax: (805) 496-5202
  - Status:
- Slomowitz, Samuel, MD
  - Hospital: Adventist Health Physicians Network
  - Clinic:
  - Address: 1250 La Venta Dr Ste 211 Thousand Oaks, CA 91360
  - Phone: (805) 496-5153
  - Fax: (805) 496-5202
  - Status:
I

Infectious Disease
- Ma, Andrew, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2220 Lynn Rd Ste 301 Thousand Oaks, CA 91360
  - Phone: (805) 495-1073
  - Fax: (805) 495-5836
  - Status:
- Nathan, Ramesh, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2220 Lynn Rd Ste 301 Thousand Oaks, CA 91360
  - Phone: (805) 495-1073
  - Fax: (805) 495-5836
  - Status:
- Nathan, Ramesh, MD
  - Hospital: Adventist Health Clear Lake
  - Clinic:
  - Address: 2220 Lynn Rd Ste 301 Thousand Oaks, CA 91360
  - Phone: (805) 495-1073
  - Fax: (805) 495-5836
  - Status:
Internal Medicine
- Singhal, Maneesh, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 501 S Reino Rd Ste 200 Thousand Oaks, CA 91320
  - Phone: (866) 545-2570
  - Fax:
  - Status:
M

Maternal & Fetal Medicine
- Jadali, Daryoush, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2100 Lynn Rd Ste 125 Thousand Oaks, CA 91360
  - Phone: (805) 777-7406
  - Fax: (805) 494-6825
  - Status:
N

Nephrology
- Sonbol, Salah, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 227 W Janss Rd Ste 100 Thousand Oaks, CA 91360
  - Phone: (805) 496-1266
  - Fax: (805) 496-8532
  - Status:
Neurological Surgery
- Nguyen, Ha, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2190 Lynn Rd Ste 380 Thousand Oaks, CA 91362
  - Phone: (805) 372-1679
  - Fax: (805) 906-7802
  - Status:
- Olivas, Edgar, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2100 Lynn Rd Ste 120 Thousand Oaks, CA 91360
  - Phone: (805) 795-7656
  - Fax: (805) 618-1501
  - Status:
O

Obstetrics & Gynecology
- De La Pena, Ronald, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2230 Lynn Rd No 200 Thousand Oaks, CA 91360
  - Phone: (805) 495-1066
  - Fax: (805) 497-0162
  - Status:
Orthopedic Surgery
- Armagan, Osep, MD
  - Hospital: Adventist Health Glendale
  - Clinic:
  - Address: 110 Jensen Ct Ste 1C Thousand Oaks, CA 91360
  - Phone: (818) 657-5645
  - Fax: (424) 293-8647
  - Status:
- Bawa, Harpreet, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 30870 Russell Ranch Rd Ste 330 Thousand Oaks, CA 91362
  - Phone: (805) 497-7015
  - Fax: (805) 371-4781
  - Status:
- Grossman, Brian, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 30870 Russell Ranch Rd. Suite 330 Thousand Oaks, CA 91362
  - Phone: (818) 901-6600
  - Fax: (818) 901-4597
  - Status:
- Rearick, Timothy, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 137 E. Thousand Oaks Blvd. Thousand Oaks, CA 91360
  - Phone: (805) 379-4574
  - Fax: (805) 379-4324
  - Status:
- Wang, Joanne, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 137 E Thousand Oaks Blvd Thousand Oaks, CA 91360
  - Phone: (805) 379-4574
  - Fax: (805) 379-4324
  - Status:
Otolaryngology
- Feinfield, Jeffrey, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 555 Marin St Ste 100 Thousand Oaks, CA 91360
  - Phone: (805) 494-4797
  - Fax: (805) 494-4810
  - Status:
- Vaidya, Abhay, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 301 S Moorpark Rd Thousand Oaks, CA 91361
  - Phone: (805) 379-9646
  - Fax: (805) 379-0611
  - Status:
- Waldman, Glenn, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 555 Marin St Ste 100 Thousand Oaks, CA 91360
  - Phone: (805) 494-4797
  - Fax: (805) 494-4810
  - Status:
P

Pediatric Cardiology
- Leong, Frederic, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 555 Marin St Ste 220 Thousand Oaks, CA 91360
  - Phone: (805) 497-7214
  - Fax: (805) 497-0864
  - Status:
Plastic Surgery
- Rubinstein, Roee, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 400 S Reino Rd Ste 200 Thousand Oaks, CA 91320
  - Phone: (805) 379-9353
  - Fax: (805) 379-4494
  - Status:
Proctology
- Rosenfeld, David, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 341 S Moorpark Rd Thousand Oaks, CA 91361
  - Phone: (805) 230-2889
  - Fax: (866) 518-0359
  - Status:
R

Radiation Oncology
- Abelson, Jonathan, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2230 Lynn Rd Ste 103 Thousand Oaks, CA 91360
  - Phone: (805) 496-4111
  - Fax: (805) 496-2861
  - Status:
- Lau, Steven, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2230 Lynn Rd Ste 103 Thousand Oaks, CA 91360
  - Phone: (805) 496-4111
  - Fax: (805) 496-2861
  - Status:
- Miller, Paul, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2230 Lynn Rd Ste 103 Thousand Oaks, CA 91360
  - Phone: (805) 496-4111
  - Fax: (805) 496-2861
  - Status:
S

Surgical Oncology
- Shah, Nikita, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 425 Haaland Dr Thousand Oaks, CA 91361
  - Phone: (805) 496-2949
  - Fax: (805) 204-4076
  - Status:
V

Vascular Neurology
- Taqi, Muhammad, MD
  - Hospital: Adventist Health Glendale
  - Clinic:
  - Address: 2190 Lynn Rd Ste 380 Thousand Oaks, CA 91360
  - Phone: (805) 242-4884
  - Fax: (805) 242-4885
  - Status:
Vascular Surgery-General
- Chan, Carney, MD
  - Hospital: Adventist Health Simi Valley
  - Clinic:
  - Address: 2220 Lynn Rd Ste 102 Thousand Oaks, CA 91360
  - Phone: (805) 496-9727
  - Fax: (805) 496-9148
  - Status:

How to find a provider

Populate the search criteria above to find an Adventist Health provider.

California Members

Tier One providers must meet one of the following criteria:

In Tier one of the Incentive Health Provider Access Solution directory; or

In both the Adventist Health Medical Staff directory (use search criteria above) and included in Tier 2 of the Incentive Health Provider Access Solution directory; or

In the UC Davis Provider Network directory

Tier Two providers must meet the following criteria:

In the California Foundation for Medical Care (Tier Two) of the Incentive Health Provider Access Solution directory.

Tier Three providers must meet the following criteria:

In the Tier Three coverage tier of the Incentive Health Provider Access Solution directory. Members will be directed to HS technology to find an out-of-network provider.

*If traveling outside of California, utilize the First Health PPO network. No out of network coverage available for California associates traveling outside of California.

Oregon Members

Tier One providers must meet one of the following criteria:

Providers must be in the Adventist Health Medical Staff directory (use the search criteria above).

Tier Two providers must meet the following criteria:

Providers must be in the First Choice PPO network

*If traveling outside of Oregon, utilize the First Health PPO network.

All other States:

Tier One providers must meet one of the following criteria:

Providers must be in the Adventist Health Medical Staff directory (use the search criteria above).

Tier Two providers must meet the following criteria:

Providers must be in the First Health network.

Loma Linda Medical Center and Loma Linda Medical Center-Murietta are considered Adventist Health facilities for medical benefits purposes.

A

Anesthesiology

C

Cardiothoracic Surgery

E

Endocrinology

F

Family Medicine

G

Gastroenterology

General Surgery

H

Hematology/Oncology

I

Infectious Disease

Internal Medicine

M

Maternal & Fetal Medicine

N

Nephrology

Neurological Surgery

O

Obstetrics & Gynecology

Orthopedic Surgery

Otolaryngology

P

Pediatric Cardiology

Plastic Surgery

Proctology

R

Radiation Oncology

S

Surgical Oncology

V

Vascular Neurology

Vascular Surgery-General

How to find a provider