Doctor profile · Federal record

Dr. Robert Merz, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Santa Monica, CA

  • NPI 1770580102
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 Santa Monica Blvd Ste 280W
Santa Monica, CA 904042172
(310) 829-7678
fax (310) 829-6889
Mailing address
2001 Santa Monica Blvd, Ste 280W
Santa Monica, CA 904042102

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
July 27, 2021
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #G49684

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770580102. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
499
Distinct HCPCS
10
Medicare allowed
$57,131
HCPCS Description Services Patients Avg allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 94 93 $222
99214 Established patient office or other outpatient visit, 30-39 minutes 88 59 $141
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 83 68 $16
93356 Heart muscle strain imaging 74 73 $42
99215 Established patient office or other outpatient visit, 40-54 minutes 39 31 $197
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 23 23 $49
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 22 22 $73
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 17 17 $9
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 17 17 $261
93880 Ultrasound of both sides of head and neck blood flow 15 15 $219

In context: peer comparison

Among 9 peers in Santa Monica Cardiovascular Disease Physician, average services per provider: 182. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$300
Transactions
14
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 4 $62.90
Lexicon Pharmaceuticals, INC. 2 $39.98
iRhythm Technologies, INC. 1 $37.64
Impulse Dynamics (USA) INC. 1 $26.87
Esperion Therapeutics, INC. 1 $24.96
Boehringer Ingelheim Pharmaceuticals, INC. 1 $23.78
Boston Scientific Corporation 1 $22.35
Merck Sharp & Dohme LLC 1 $21.01
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $20.95
Amgen INC. 1 $19.91

By nature of payment

Food and Beverage
$300

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
688
Patients
145
Total drug cost
$84,565
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 98 30 $1,199
Rosuvastatin Calcium Generic 97 26 $3,069
Metoprolol Succinate Generic 77 23 $1,716
Amlodipine Besylate Generic 52 15 $623
Eliquis (Apixaban) Brand 47 14 $55,466
Ezetimibe Generic 47 15 $2,507
Losartan Potassium Generic 43 11 $614
Irbesartan Generic 33 0 $950
Clopidogrel (Clopidogrel Bisulfate) Brand 32 11 $733
Hydrochlorothiazide Generic 29 0 $220

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Merz's medical specialty?
Dr. Robert Merz practices Cardiovascular Disease Physician in Santa Monica, CA.
Where does Dr. Robert Merz practice?
Dr. Robert Merz practices at 2001 Santa Monica Blvd Ste 280W, Santa Monica, CA 904042172. Office phone: 3108297678.
What is Dr. Robert Merz's NPI?
Dr. Robert Merz's National Provider Identifier (NPI) is 1770580102, issued by NPPES.
Does Dr. Robert Merz accept Medicare assignment?
Yes. Dr. Robert Merz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Merz commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.