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

Tom Ryan Demeester, MD

Individual provider Surgery Physician · NPI 1902837289

Tom Ryan Demeester, MD is a Surgery Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1510 San Pablo St Ste 514
Los Angeles, CA 90033-5324
Phone: (323) 442-5910
Fax: (323) 442-6798
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence C42820 (CA)

Record details

NPI number1902837289
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESOctober 13, 2009

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