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

John Thanasukarn, MD

Individual provider Pediatrics Physician · NPI 1144674003

John Thanasukarn, MD is a Pediatrics Physician in Downey, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2016
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

8530 Firestone Blvd
Downey, CA 90241-4926
Phone: (562) 867-7999
Show map & directions

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

Additional practice locations (1)

  • 25845 Barton Rd, Loma Linda, CA 92354-3899 — (909) 558-2828

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A156685 (CA)

Record details

NPI number1144674003
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2016
Last updated in NPPESOctober 7, 2025
Certification dateOctober 7, 2025
Mailing address54701 File Number, Los Angeles, CA 90074-4701

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