Doctor profile · Federal record

Dr. Michael Hachadorian, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · San Marcos, CA

  • NPI 1740844836
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
277 Rancheros Dr Ste 101
San Marcos, CA 920692976
(760) 750-1902
fax (760) 750-1906

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
August 11, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #A177035

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740844836. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$11,748
Transactions
31
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Arthrex, Inc. 1 $10,000.00
DePuy Synthes Sales Inc. 20 $643.95
ENCORE MEDICAL, LP 3 $578.62
Stryker Corporation 5 $449.57
SI-BONE, INC. 1 $50.00
Elevate Surgical CO 1 $25.79

By nature of payment

Grant
$10,000
Food and Beverage
$1,297
Travel and Lodging
$451

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Hachadorian's medical specialty?
Dr. Michael Hachadorian practices Orthopaedic Surgery Physician in San Marcos, CA.
Where does Dr. Michael Hachadorian practice?
Dr. Michael Hachadorian practices at 277 Rancheros Dr Ste 101, San Marcos, CA 920692976. Office phone: 7607501902.
What is Dr. Michael Hachadorian's NPI?
Dr. Michael Hachadorian's National Provider Identifier (NPI) is 1740844836, issued by NPPES.
Does Dr. Michael Hachadorian accept Medicare assignment?
Yes. Dr. Michael Hachadorian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.