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

Dr. Thomas Jefferson Gernon, MD

Individual provider Otolaryngology Physician · NPI 1548387525

Dr. Thomas Jefferson Gernon, MD is an Otolaryngology in South Pasadena, California. Graduated from University of Washington School of Medicine in 2005, 21 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Arizona and California.

Years since qualifying
21
Trained at
University of Washington School of Medicine
Licensed in
AZ, CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

209 Fair Oaks Ave
South Pasadena, CA 91030-1814
Phone: (626) 396-2900
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1500 Duarte Rd, Duarte, CA 91010-3012 — (626) 256-4673

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence C139412 (CA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 45335 (AZ)

Record details

NPI number1548387525
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 23, 2007
Last updated in NPPESDecember 14, 2020
Certification dateDecember 14, 2020

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice City Of Hope Medical Foundation — 959 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare