Doctor profile · Federal record

Dr. Amir Ghiassi, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Pulmonary Disease Physician · Orange, CA

  • NPI 1518983899
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 W Stewart Dr
Orange, CA 928683849
(714) 633-9111
Mailing address
24422 Avenida de la Carlota Ste 275
Laguna Hills, CA 926533669

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 9, 2018
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
California #C52272
Medicaid
CA #1912919804

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518983899. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
284
Distinct HCPCS
4
Medicare allowed
$51,681
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 199 101 $216
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 49 31 $121
99292 Critical care, each additional 30 minutes 25 22 $107
76937 Ultrasonic guidance for blood vessel access 11 11 $14

In context: peer comparison

Among 6 peers in this city , average services per provider: 69. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,873
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Becton, Dickinson and Company 1 $1,375.00
ABIOMED 2 $497.66

By nature of payment

Consulting Fee
$1,375
Travel and Lodging
$406
Food and Beverage
$91

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Amir Ghiassi's medical specialty?
Dr. Amir Ghiassi practices Critical Care Medicine (Internal Medicine) Physician in Orange, CA.
Where does Dr. Amir Ghiassi practice?
Dr. Amir Ghiassi practices at 1100 W Stewart Dr, Orange, CA 928683849. Office phone: 7146339111.
What is Dr. Amir Ghiassi's NPI?
Dr. Amir Ghiassi's National Provider Identifier (NPI) is 1518983899, issued by NPPES.
Does Dr. Amir Ghiassi accept Medicare assignment?
Yes. Dr. Amir Ghiassi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amir Ghiassi commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.