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

Dr. Mark Gellman, DO

Individual provider Emergency Medicine Physician · NPI 1669493375

Dr. Mark Gellman, DO is an Emergency Medicine in Torrance, California. Qualified in 1994, 32 years ago. Practices with Torrance Health Association Inc, a 297-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
32
Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

22411 Hawthorne Blvd
Torrance, CA 90505-2507 Not confirmed with CMS for 11 years — call before visiting
Phone: (310) 784-3740
Fax: (310) 375-1392
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 20A8207 (CA)

Record details

NPI number1669493375
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 21, 2006
Last updated in NPPESFebruary 5, 2015

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Torrance Health Association Inc — 297 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Torrance