Doctor profile · Federal record

Dr. Gregory Andonian, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Los Angeles, CA

  • NPI 1942648118
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2013 Ames St
Los Angeles, CA 900272901
(323) 428-7634
Additional location
1513 N 6Th 1/2 St
Terre Haute, IN 478071039
(812) 238-7631
fax (812) 238-7003
Mailing address
2013 Ames St.
Los Angeles, CA 90027

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
California #A140710 · Indiana #11016967A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942648118. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
427
Distinct HCPCS
5
Medicare allowed
$52,737
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 203 88 $127
99239 Hospital discharge day management, more than 30 minutes 69 68 $124
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 24 $85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 53 50 $186
99497 Advance care planning, first 30 minutes 41 40 $81

In context: peer comparison

Among 120 peers in Los Angeles Family Medicine Physician, average services per provider: 119. This provider delivers 3.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
22
Patients
0
Total drug cost
$6,034
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 11 0 $73
Eliquis (Apixaban) Brand 11 0 $5,961

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Andonian's medical specialty?
Dr. Gregory Andonian practices Family Medicine Physician in Los Angeles, CA.
Where does Dr. Gregory Andonian practice?
Dr. Gregory Andonian practices at 2013 Ames St, Los Angeles, CA 900272901. Office phone: 3234287634.
What is Dr. Gregory Andonian's NPI?
Dr. Gregory Andonian's National Provider Identifier (NPI) is 1942648118, issued by NPPES.
Does Dr. Gregory Andonian accept Medicare assignment?
Yes. Dr. Gregory Andonian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Andonian commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.