Doctor profile · Federal record

Dr. Leon Melkonian, D.C.

Chiropractor (CMS: Chiropractic) · Costa Mesa, CA

  • NPI 1659395549
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1700 Adams Ave
Costa Mesa, CA 926264865
(714) 438-1190
fax (714) 438-1191
Mailing address
Po Box 2687
Costa Mesa, CA 926282687

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #20311

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659395549. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
612
Distinct HCPCS
1
Medicare allowed
$26,419
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 612 30 $43

In context: peer comparison

Among 10 peers in Costa Mesa Chiropractor, average services per provider: 529. This provider delivers 1.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Leon Melkonian's medical specialty?
Dr. Leon Melkonian practices Chiropractor in Costa Mesa, CA.
Where does Dr. Leon Melkonian practice?
Dr. Leon Melkonian practices at 1700 Adams Ave, Costa Mesa, CA 926264865. Office phone: 7144381190.
What is Dr. Leon Melkonian's NPI?
Dr. Leon Melkonian's National Provider Identifier (NPI) is 1659395549, issued by NPPES.
Does Dr. Leon Melkonian accept Medicare assignment?
Yes. Dr. Leon Melkonian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leon Melkonian commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.