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

Leon S Melkonian, DC

Individual provider Chiropractor · NPI 1659395549

Leon S Melkonian, DC is a Chiropractic in Costa Mesa, California. Graduated from Los Angeles College of Chiropractic in 1988, 38 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
38
Trained at
Los Angeles College of Chiropractic
Licensed in
CA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

1700 Adams Ave
Costa Mesa, CA 92626-4865
Phone: (714) 438-1190
Fax: (714) 438-1191
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 20311 (CA)

Record details

NPI number1659395549
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedJuly 26, 2006
Last updated in NPPESJuly 9, 2007
Mailing addressPo Box 2687, Costa Mesa, CA 92628-2687

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolLOS ANGELES COLLEGE OF CHIROPRACTIC
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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