Doctor profile · Federal record

Dr. Gregg Fonarow, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Los Angeles, CA

  • NPI 1750316402
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Medical Plaza, #214,365,530,420,120
Los Angeles, CA 900953075
(310) 825-8811
Mailing address
5767 W Century Blvd, Suite 200
Los Angeles, CA 900455632

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 14, 2010
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #G64544
Medicaid
CA #00G645440

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750316402. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,583
Distinct HCPCS
4
Medicare allowed
$25,424
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,247 807 $9
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 194 193 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 84 34 $104
94621 Test for exercise-induced heart and lung stress 58 58 $72

In context: peer comparison

Among 76 peers in this city , average services per provider: 209. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16,304
Transactions
13
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 3 $9,150.00
Novartis Pharmaceuticals Corporation 5 $3,960.00
AstraZeneca Pharmaceuticals LP 1 $2,000.00
Merck Sharp & Dohme LLC 1 $500.00
Bayer Healthcare Pharmaceuticals Inc. 1 $361.50
Impulse Dynamics (USA) Inc. 2 $332.32

By nature of payment

Consulting Fee
$10,012
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$3,960
Grant
$2,000
Food and Beverage
$332

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
580
Patients
77
Total drug cost
$155,493
Drug Type Claims Patients Total cost
Carvedilol Generic 109 25 $2,031
Farxiga (Dapagliflozin Propanediol) Brand 68 14 $60,719
Atorvastatin Calcium Generic 59 16 $763
Ezetimibe Generic 56 11 $3,250
Spironolactone Generic 49 11 $500
Eplerenone Generic 45 0 $4,139
Furosemide Generic 40 0 $277
Eliquis (Apixaban) Brand 32 0 $41,884
Losartan Potassium Generic 30 0 $271
Entresto (Sacubitril/Valsartan) Brand 23 0 $33,217

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregg Fonarow's medical specialty?
Dr. Gregg Fonarow practices Cardiovascular Disease Physician in Los Angeles, CA.
Where does Dr. Gregg Fonarow practice?
Dr. Gregg Fonarow practices at 200 Medical Plaza, Los Angeles, CA 900953075. Office phone: 3108258811.
What is Dr. Gregg Fonarow's NPI?
Dr. Gregg Fonarow's National Provider Identifier (NPI) is 1750316402, issued by NPPES.
Does Dr. Gregg Fonarow accept Medicare assignment?
Yes. Dr. Gregg Fonarow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg Fonarow commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.