Doctor profile · Federal record

Dr. Haig Aharonian, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1205107653
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1520 San Pablo St, Suite 1000
Los Angeles, CA 900335310
(323) 442-5100
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
January 2012 — 14 yrs on file
Profile last updated
October 15, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A124502

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205107653. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
868
Distinct HCPCS
6
Medicare allowed
$69,023
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 636 310 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 113 96 $103
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 73 73 $142
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 17 17 $9
99441 Telephone medical discussion with physician, 5-10 minutes 16 14 $37
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $142

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,335
Patients
650
Total drug cost
$54,186
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 309 84 $6,172
Amlodipine Besylate Generic 266 80 $5,047
Losartan Potassium Generic 205 58 $4,601
Gabapentin Generic 170 52 $4,593
Metformin Hcl Generic 163 51 $3,013
Levothyroxine Sodium Generic 156 44 $3,564
Pantoprazole Sodium Generic 152 42 $3,987
Hydrochlorothiazide Generic 147 49 $1,090
Diclofenac Sodium Generic 135 40 $5,523
Omeprazole Generic 129 36 $2,935

Frequently asked questions

Auto-generated from federal data
What is Dr. Haig Aharonian's medical specialty?
Dr. Haig Aharonian practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Haig Aharonian practice?
Dr. Haig Aharonian practices at 1520 San Pablo St, Los Angeles, CA 900335310. Office phone: 3234425100.
What is Dr. Haig Aharonian's NPI?
Dr. Haig Aharonian's National Provider Identifier (NPI) is 1205107653, issued by NPPES.
Does Dr. Haig Aharonian accept Medicare assignment?
Yes. Dr. Haig Aharonian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Haig Aharonian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.