Doctor profile · Federal record

Dr. Robert Castro, DO

Internal Medicine Physician (CMS: Interventional Cardiology) · Family Medicine Physician · Santa Ana, CA

  • NPI 1285777813
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2621 S Bristol St, Suite 108
Santa Ana, CA 927045766
(714) 754-1684
fax (714) 966-0417
Mailing address
1358 Pierre RD
Walnut, CA 917894476

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
May 27, 2015
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A9770
Medicaid
CA #00AX97700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285777813. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,070
Distinct HCPCS
10
Medicare allowed
$122,570
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 324 183 $132
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 156 42 $121
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 153 145 $15
99204 New patient office or other outpatient visit, 45-59 minutes 113 113 $172
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 99 99 $208
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 55 53 $177
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 47 44 $69
93242 Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 25 23 $11
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 20 20 $24
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 19 18 $74

In context: peer comparison

Among 13 peers in this city , average services per provider: 193. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,465
Transactions
58
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 6 $237.89
ShockWave Medical, Inc 1 $162.42
Abbott Laboratories 12 $158.52
Inari Medical, Inc. 9 $154.12
ABIOMED 1 $129.87
PFIZER INC. 5 $124.09
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 5 $104.17
CORDIS US CORP. 5 $90.77
Novartis Pharmaceuticals Corporation 4 $83.52
Kiniksa Pharmaceuticals International, plc 3 $78.50
AstraZeneca Pharmaceuticals LP 3 $45.20
Janssen Pharmaceuticals, Inc 1 $37.96
Philips North America LLC 1 $24.14
Amgen Inc. 1 $18.75
Edwards Lifesciences Corporation 1 $14.87

By nature of payment

Food and Beverage
$1,465

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,304
Patients
803
Total drug cost
$441,761
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 291 110 $6,655
Eliquis (Apixaban) Brand 274 80 $295,159
Metoprolol Tartrate Generic 258 85 $2,929
Carvedilol Generic 211 72 $3,721
Nifedipine Er (Nifedipine) Brand 178 63 $9,300
Losartan Potassium Generic 173 61 $3,149
Atorvastatin Calcium Generic 166 58 $3,465
Furosemide Generic 149 55 $1,254
Amlodipine Besylate Generic 141 58 $1,934
Entresto (Sacubitril/Valsartan) Brand 92 26 $106,673

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Castro's medical specialty?
Dr. Robert Castro practices Internal Medicine Physician in Santa Ana, CA.
Where does Dr. Robert Castro practice?
Dr. Robert Castro practices at 2621 S Bristol St, Santa Ana, CA 927045766. Office phone: 7147541684.
What is Dr. Robert Castro's NPI?
Dr. Robert Castro's National Provider Identifier (NPI) is 1285777813, issued by NPPES.
Does Dr. Robert Castro accept Medicare assignment?
Yes. Dr. Robert Castro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Castro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.