Thomas Martin Hemmen, M.D./PH.D
Vascular Neurology Psychiatry & Neurology
Thomas Martin Hemmen is a Vascular Neurology Psychiatry & Neurology specialist based in San Diego, CA with over 32 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: NEUROLOGY
Thomas Martin Hemmen, M.D./PH.D practices as part of a group vascular neurology psychiatry & neurology specialist practice in San Diego, CA. He has been in practice for 32+ years. He regularly sees Medicare patients with hypertension, high cholesterol, and stroke (per CMS claims data).
Older · 670dNPPES updated 2024-07-23 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
200 W Arbor Dr, San Diego, CA 92103-9000
How Does This Doctor Compare?
Medicare Patients
220
Unique beneficiaries
Standard volumePrescription Recipients
19
Patients prescribed
Prescriptions Written
46
Total claims
Total Medicare drug cost: $6k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Stroke / TIA.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Disrupted blood supply to the brain, requiring urgent medical attention
Joint inflammation causing pain, swelling, and stiffness
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
A mood disorder causing persistent sadness and loss of interest in activities
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$33 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Thomas Martin Hemmen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jul 22, 2024
Self-reported via NPPES
32 years in practice
Senior practitioner
Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous origin from a large number of causes that affect the brain or spinal cord such as ischemic stroke, intracranial hemorrhage, spinal cord ischemia and spinal cord hemorrhage.
Taxonomy: 2084V0102X
Mailing address
File 57326, Los Angeles, CA 90074-7326
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190008
View hospital on Medicare Care CompareVirtual Vascular Neurology Care With Thomas Martin Hemmen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Thomas Martin Hemmen for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to San Diego required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Thomas Martin Hemmen
Dr. Hemmen is listed as active in the NPI registry with telehealth listed in San Diego, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (800) 926-8273.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Thomas Martin Hemmen
Practice Location
200 W Arbor Dr, San Diego, CA 92103-9000
Mailing Address
File 57326, Los Angeles, CA 90074-7326
This is a provider directory. Contact the office directly to schedule appointments.
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