Summary

Dr. Thomas Hemmen is a neurologist with subspecialties in vascular surgery and cardiovascular surgery. He earned his MD and PhD from Freie Universitaet Berlin Medizinische Fachbereich and completed his residency at New York Presbyterian Hospital. With 32 years of experience in medicine, Dr. Hemmen brings extensive expertise to his practice. He is fluent in both German and English.

Dr. Hemmen practices at University of California San Diego Jacobs Medical Center in La Jolla, California. His clinical focus includes treating patients with stroke and cerebrovascular disease. He utilizes advanced therapeutic approaches such as induced hypothermia for certain neurological conditions. His practice incorporates comprehensive diagnostic tools including MRI imaging and complete blood count testing, along with coordinated physical therapy services. Patients have given Dr. Hemmen an average rating of 2.0.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2
  • 32 years of experience
  • 37 insurance plans accepted
  • speaks German, English
  • New York Presbyterian Hospital
  • 4 written reviews
  • 3 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Spent time with me
  • Flexible scheduling

Office Location

UC San Diego Health

9434 Medical Center DrLa Jolla, CA 92037
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Thomas Hemmen, MD, PhDDr. Mariana Schmajuk, MDDr. Sara Zarei, MD, PhDDr. Belma Sadikovic, MD
NeurologyNeurologyNeurologyNeurology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
32 Years of Experience 14 Years of Experience 8 Years of Experience 15 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks German, English Speaks English, Spanish Speaks English, Spanish, Farsi Speaks English
La Jolla , CAPalo Alto , CAOrange , CAWalnut Creek , CA
Med School: Freie Universitaet Berlin Medizinische Fachbereich Med School: Columbia University Presbyterian Hospital - New York, NY Med School: San Juan Bautista School Of Medicine Med School: University Of California Davis School Of Medicine
Current Profile
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Insurance Plans Accepted by Thomas Hemmen

  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Aetna Better Health - Medicaid (Managed)
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AllCare Health
  • AllCare Health - IPA
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • Brand New Day - Medicare (Advantage HMO)
  • CalOptima
  • CareFirst Blue Cross Blue Shield - Medicaid (Managed)
  • Community Health Group
  • Health Net
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Imperial Health Plan of California
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare (Advantage HMO)
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Sharp Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Thomas Hemmen has the following 3 specialties

Specialty Expertise

Thomas Hemmen has the following 13 areas of expertise

  • Alzheimer's Disease
  • Basal Ganglia Cerebrovascular Disease
  • Electromyography
  • Epilepsy
  • Headache
  • Induced Hypothermia
  • Migraine Disorder
  • Migraine Disorders
  • Multiple Sclerosis (MS)
  • Nerve Conduction Studies
  • Neurologist
  • Stroke
  • Vascular Surgeon

Certifications, License, & Education

32 Years Experience

Thomas Hemmen holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at New York Presbyterian Hospital.

Medical School

Graduated from Freie Universitaet Berlin Medizinische Fachbereich in 1996 and Freie Universitat Berlin in 1994.

NPI Number

Thomas Hemmen's NPI number is 1902821945.

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Frequently Asked Questions

Where is Thomas Hemmen's office located?
Thomas Hemmen's office is located at 9434 Medical Center Dr, La Jolla, CA, 92037.
How can I make an appointment with Thomas Hemmen?
You can find contact information for Thomas Hemmen here on Vitals.
Does Thomas Hemmen accept my insurance?
You can see the insurance plans that Thomas Hemmen accepts on their Vitals profile.
Is Thomas Hemmen accepting new patients?
Thomas Hemmen is accepting new patients on Vitals. View Thomas Hemmen's profile on Vitals to make an appointment.
What languages does Thomas Hemmen speak?
Thomas Hemmen speaks German and English.

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