Find Our Sites Across North America

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.


California

Westlake Village, CA

Principal & Sub Investigators

Razmig Krumian, DO

Stephanie Mandelman, MD

Michael Hochman, MD

Elvira A. Lindwall, MD

Ashraf Nashed, MD

Years Experience

30

Number of Studies

500+

Therapeutic Areas

Allergy, Cardiology, Dermatology, Endocrinology, Gastroenterology, Internal Medicine, Men’s Health, Nutrition, Weight Loss, OB, GYN, Pain, Respiratory, Rheumatology, Urology, Vaccines, Women’s Health

A winding mountain road with yellow double lines, guardrails on the sides, and rocky hillsides covered in desert vegetation, overlooking a valley with city buildings and distant mountains under a clear blue sky.
Northbay Clinical Research Center logo featuring stylized wave and palm trees in a circular design, with the name in gray and blue text.

Santa Rosa, CA

Principal & Sub Investigators

Stephen Halpern, MD

Sanjay Dhar, MD

Julie Plante, MD

Vu Tran, MD

Years Experience

30

Number of Studies

200+

Therapeutic Areas

Cardiology, Dermatology, Pulmonary, Metabolic

A green clock tower with a large round clock face shows 6:55, surrounded by palm trees and decorative streetlights, with a colorful sky in the background.
Logo of Paragon RX Research Center featuring stylized scientific icon and text.

Garden Grove, CA

Principal & Sub Investigators

Hoa Nguyen, MD

Kelvin Mai, DO

Jack Vu, MD

Long P Dang, MD

Years Experience

10

Number of Studies

100+

Therapeutic Areas

Endocrinology, Gastroenterology, Medical Devices, Oncology Screening, Orthopedic, Vaccines

Desert landscape with tall palm trees, rocky hills, and clear blue sky.
Sun Valley Research Center logo featuring stylized sun and mountain design with blue and gray text.

Imperial, CA

Principal & Sub Investigators

Bernardo NG, MD, DLFAPA

Diana Dang, MD, ASBPS Diplomat

Hamid Zadeh, MD FAGOG

Alidad Zadeh, DO, AOBIM

Tyler Martin, PMHNP-BC

Nika Varrin, PMHNP-BC

Years Experience

18+

Number of Studies

110+

Therapeutic Areas

CNS, Dermatology, Internal Medicine, Psychiatry, Women’s Health, Pediatrics

Georgia

Aerial view of a downtown area with trees, buildings, and a park with a fountain under a clear blue sky.
Logo for Drug Studies America with a stylized sun and water waves above the text.

Marietta, GA

Principal & Sub Investigators

Marvin Tark, MD, ADA

Ramana Puppala, MD, ABOM, ABCS, ABOG

Brian Tark, MD

Years Experience

25+

Participants in Database

14,500+

Therapeutic Areas

General Medicine, Pain Medicine, Woman’s Health, Vaccine Studies

New York

Aerial view of a lush green forest with a few buildings and parking lots scattered among the trees, under a partly cloudy sky.
Logo of Drug Trac America with stylized blue molecular structure above the text.

Hartsdale, NY

Principal & Sub Investigators

Michael Gerdis, MD

Years Experience

15

Number of Studies

50+

Therapeutic Areas

Internal Medicine, Pain Management, Gastroenterology

North Carolina

Cityscape at sunset with brick buildings, industrial chimney, water tower, and rooftop structures under a colorful sky.

Durham, NC

Principal & Sub Investigators

Andrea Lukes, MD, MHSC, FACOG

Scarlet Dial, FNP-BC

Ashley Schaublin Mascianica, WHNP-BC

Years Experience

30

Number of Studies

200+

Therapeutic Areas

Migraine & Neurology, Weight Loss & Obesity, Woman’s Health

Pennsylvania

A cityscape with a mix of modern and historic buildings, parking lots, trees, and a cloudy sky with sunlight breaking through.
Logo of Altona Clinical Research Center featuring a stylized brain illustration above the text.

Duncansville, PA

Principal & Sub Investigators

Alan Kivitz, MD, CPI

Lori Lavelle, DO

Frederick Murphy, DO, FACP, FACR

Jason Bankert, DO

Years Experience

30

Number of Studies

1,000

Therapeutic Areas

Endocrinology, Rheumatology, Gastroenterology, Medical Device, Oncology Screening, Orthopedics, Vaccines

Virginia

Charlottesville, VA

Principal Investigator

Paul Wisman Jr., MD, FAAP

Years Experience

22+

Participants in Database

8,000

Therapeutic Areas

Devices, General Pediatrics, Vaccines

Washington

Aerial view of a residential neighborhood surrounding a small lake, with wooded areas and mountains in the background under a partly cloudy blue sky.
Logo of Rainer Clinical Research Center with stylized graphic of a cube made of small circles.

Renton, WA

Principal & Sub Investigators

Sheryl Marks, MD

Frances Broyles, MD

Years Experience

30+

Number of Studies

1,000+

Therapeutic Areas

Cardiology, Endocrinology, Gastroenterology, Infectious Disease, Medical Device, Neurology, Phase I, Vaccines

A city skyline featuring the Space Needle with tall skyscrapers in the background, during sunset with orange leaves in the foreground.
Logo of Seattle Clinical Research Center with a stylized blue drop shape above the text.

Seattle, WA

Principal & Sub Investigators

Rebecca Dunsmoor-Su, MD, FACOG, DABOM

Sonja Krejci, MD, FAAD

Nancy Tipton, MD, FACOG

Sima Kahn, MD, FACOG

Nicole Ehrhardt, MD

Years Experience

30+

Number of Studies

600+

Therapeutic Areas

Dermatology, Endocrinology, Neurology, Vaccines, Sleep Medicine, Women’s Health