Doctor profile · Federal record

Dr. Ryan Aronin

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

  • NPI 1326486770
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 8 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
100 UCLA Medical Plz, Suite 490
Los Angeles, CA 900953075
(310) 206-8000
fax (310) 206-8005
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
California — 7 locations
Additional location
10250 Santa Monica Blvd Ste 2440
Los Angeles, CA 900676593
(310) 286-0122
fax (310) 286-0125
Additional location
2424 Wilshire Blvd
Santa Monica, CA 904035806
(310) 828-4530
fax (310) 453-4613
Additional location
26585 Agoura RD Ste 330
Calabasas, CA 913021958
(818) 876-1050
fax (818) 876-1026
Additional location
4323 W Riverside Dr
Burbank, CA 915054044
(881) 556-2700
fax (818) 295-3450
Additional location
4560 Admiralty Way Ste 100
Marina del Rey, CA 902925424
(310) 827-3700
fax (310) 578-5379
Additional location
6000 Sepulveda Blvd Ste 2660
Culver City, CA 902306432
(310) 313-0020
fax (310) 313-0060
Additional location
6344 Topanga Canyon Blvd Ste 2040
Woodland Hills, CA 913672362
(818) 610-0292
fax (818) 610-0293

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
December 6, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A140195

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326486770. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,699
Distinct HCPCS
10
Medicare allowed
$219,785
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,182 505 $85
99215 Established patient office or other outpatient visit, 40-54 minutes 315 204 $119
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 257 257 $44
99213 Established patient office or other outpatient visit, 20-29 minutes 223 199 $83
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 106 94 $7
G0008 Administration of influenza virus vaccine 87 86 $33
90662 Influenza vaccine split virus, preservative free 81 80 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 66 60 $97
99443 Telephone medical discussion with physician, 21-30 minutes 46 42 $115
99213 Established patient office or other outpatient visit, 20-29 minutes 45 44 $70

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 17× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,190
Patients
791
Total drug cost
$115,417
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 376 117 $5,642
Amlodipine Besylate Generic 328 107 $3,456
Losartan Potassium Generic 176 60 $3,475
Levothyroxine Sodium Generic 164 46 $3,672
Rosuvastatin Calcium Generic 149 46 $5,410
Lisinopril Generic 140 43 $1,476
Pantoprazole Sodium Generic 139 48 $2,773
Metformin Hcl Generic 124 38 $1,346
Tamsulosin Hcl Generic 94 33 $2,075
Hydrochlorothiazide Generic 93 32 $521

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Aronin's medical specialty?
Dr. Ryan Aronin practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Ryan Aronin practice?
Dr. Ryan Aronin practices at 100 UCLA Medical Plz, Los Angeles, CA 900953075. Office phone: 3102068000.
What is Dr. Ryan Aronin's NPI?
Dr. Ryan Aronin's National Provider Identifier (NPI) is 1326486770, issued by NPPES.
Does Dr. Ryan Aronin accept Medicare assignment?
Yes. Dr. Ryan Aronin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Aronin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.