Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Thomas Martin Hemmen, MD/PHD

Individual provider Neurology Physician · NPI 1902821945

Dr. Thomas Martin Hemmen, MD/PHD is a Neuropsychiatry in San Diego, California. Qualified in 1994, 32 years ago. Practices with Regents of the University of California, a 2,061-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
32
Licensed in
CA
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

200 W Arbor Dr
San Diego, CA 92103-9000
Phone: (800) 926-8273
Fax: (888) 539-8781
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 9350 Campus Point Dr, La Jolla, CA 92037-1300 — (800) 926-8273
  • 6655 Alvarado Rd, San Diego, CA 92120-5208 — (800) 926-8273

Specialties & licences

Vascular Neurology Physician (primary) Taxonomy 2084V0102X · Licence A72645 (CA)
Neurology Physician Taxonomy 2084N0400X · Licence A72645 (CA)

Record details

NPI number1902821945
Entity typeIndividual (Type 1)
GenderMale
Credentials MD/PHD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 23, 2024
Certification dateJuly 23, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROPSYCHIATRY
Also practisesNEUROLOGY
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Regents Of The University Of California — 2061 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in San Diego