Doctor profile · Federal record

Dr. Zarah Antongiorgi, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Los Angeles, CA

  • NPI 1073704300
  • Accepts Medicare
  • MIPS 93.2 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
757 Westwood Plz Ste 3325
Los Angeles, CA 90095
(310) 267-3899
Additional location
14445 Olive View Dr Rm 6B119-H
Sylmar, CA 913421437
(818) 364-3031
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
July 15, 2019
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #A102736

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073704300. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
103
Distinct HCPCS
4
Medicare allowed
$14,521
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 36 13 $226
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 18 $85
00104 Anesthesia for electroshock therapy 23 21 $124
00811 Anesthesia for other procedure on large bowel using an endoscope 14 14 $71

In context: peer comparison

Among 169 peers in Los Angeles Anesthesiology Physician, average services per provider: 34. This provider delivers 3.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zarah Antongiorgi's medical specialty?
Dr. Zarah Antongiorgi practices Anesthesiology Physician in Los Angeles, CA.
Where does Dr. Zarah Antongiorgi practice?
Dr. Zarah Antongiorgi practices at 757 Westwood Plz Ste 3325, Los Angeles, CA 90095. Office phone: 3102673899.
What is Dr. Zarah Antongiorgi's NPI?
Dr. Zarah Antongiorgi's National Provider Identifier (NPI) is 1073704300, issued by NPPES.
Does Dr. Zarah Antongiorgi accept Medicare assignment?
Yes. Dr. Zarah Antongiorgi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zarah Antongiorgi commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Anesthesia for electroshock therapy (HCPCS 00104). Source: CMS Medicare Physician & Other Practitioners file.