Dr. Leah Emily Grossman, M.D.

Concierge Internal Medicine physician, Newbury Park, CA

Dr. Grossman is board-certified in Internal Medicine and runs a concierge practice focused on longevity and wellness optimization.

558 N Ventu Park Rd A, Newbury Park, CA 91320

At a glance

Practice model

Concierge primary care

Board certification

Internal Medicine

Appointments

Same-day or next-day

Direct contact

Phone or text with Dr. Grossman

Facts on this page last checked October 2026. How we check doctors

About Dr. Grossman

Dr. Grossman earned a chemistry degree from UC Berkeley and a master's degree in neuroscience from Tulane University. She completed medical school in Miami and an internal medicine residency in Florida. She is board-certified in Internal Medicine.

She served as a hospitalist at St. John's Regional Medical Center. Dr. Grossman is a Conejo Valley native. Her areas of emphasis are longevity, wellness optimization and personalized medical strategy.

She runs a concierge practice, and patients reach her directly by phone or text. She also helps coordinate specialists.

Membership and fees

Dr. Grossman runs an intentionally limited concierge practice.

It allows same-day or next-day appointments and extended visits.

Services

Longevity Wellness optimization Personalized medical strategy Direct phone or text access Specialist coordination

What internal medicine doctors commonly treat

Education and credentials

Degree

MD, MS

College

UC Berkeley (Chemistry)

Medical school

Miami

Graduate school

Tulane University (Neuroscience)

Residency

Internal Medicine, Florida

Board certification

Internal Medicine

License

California Verify with the Medical Board of California

NPI

1710542824

Location

558 N Ventu Park Rd A, Newbury Park, CA 91320

Directions

Recognition and research

Publications

Author of "Effects of piracetam on behavior and memory in adult zebrafish" in Brain Research Bulletin (2011).

Author of "Characterization of behavioral and endocrine effects of LSD on zebrafish" in Behavioural Brain Research (2010).

Author of "The Developing Utility of Zebrafish in Modeling Neurobehavioral Disorders" in International Journal of Comparative Psychology (2010).

Author of "Behavioral and physiological effects of RDX on adult zebrafish" in Comparative Biochemistry and Physiology Part C Toxicology & Pharmacology (2011).

Author of "Phenotyping of Zebrafish Homebase Behaviors in Novelty-Based Tests" in Neuromethods (2010).

Patient reviews

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Questions patients ask

How does Dr. Grossman's practice work?

Dr. Grossman runs a concierge practice that is intentionally limited. It allows same-day or next-day appointments and extended visits.

Is Dr. Grossman board certified?

Yes. Dr. Grossman is board-certified in Internal Medicine.

Where did Dr. Grossman train?

She earned a chemistry degree from UC Berkeley and a master's degree in neuroscience from Tulane University. She completed medical school in Miami and an internal medicine residency in Florida.