Doctor profile · Federal record
Dr. John Merillat, MD
Cardiovascular Disease Physician (CMS: Cardiac Electrophysiology) · Clinical Cardiac Electrophysiology Physician · Interventional Cardiology Physician · Modesto, CA
- NPI 1346280229
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1540 Florida Ave Ste 100
Modesto, CA 953504430
(209) 577-5557
fax (209) 579-7246
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- January 15, 2021
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- California #G67546
- Medicaid
- CA #ZZZ76734Z
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346280229. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,832
Distinct HCPCS
10
Medicare allowed
$253,794
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93297 |
Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 460 | 101 | $26 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 456 | 244 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 431 | 280 | $98 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 427 | 165 | $30 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 311 | 296 | $69 | |
93295 |
Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 292 | 128 | $37 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 212 | 100 | $79 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 178 | 118 | $144 | |
93280 |
Programming of dual lead pacemaker system | 135 | 111 | $38 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 106 | 105 | $173 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 118. This provider delivers 32× the peer median.Open Payments
Industry payments received
All-time total
$712
Transactions
21
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 3 | $346.85 | |
| Abbott Laboratories | 17 | $337.83 | |
| Boston Scientific Corporation | 1 | $27.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,432
Patients
667
Total drug cost
$353,956
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 297 | 89 | $4,086 |
| Lisinopril | Generic | 284 | 76 | $3,702 |
| Eliquis (Apixaban) | Brand | 223 | 51 | $219,120 |
| Furosemide | Generic | 220 | 66 | $2,163 |
| Amiodarone Hcl | Generic | 192 | 53 | $6,567 |
| Losartan Potassium | Generic | 182 | 49 | $3,292 |
| Metoprolol Succinate | Generic | 178 | 57 | $3,436 |
| Carvedilol | Generic | 151 | 50 | $2,061 |
| Flecainide Acetate | Generic | 117 | 23 | $6,608 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 116 | 32 | $2,094 |
Hospital affiliations
Frequently asked questions
What is Dr. John Merillat's medical specialty?
Dr. John Merillat practices Cardiovascular Disease Physician in Modesto, CA.
Where does Dr. John Merillat practice?
Dr. John Merillat practices at 1540 Florida Ave Ste 100, Modesto, CA 953504430. Office phone: 2095775557.
What is Dr. John Merillat's NPI?
Dr. John Merillat's National Provider Identifier (NPI) is 1346280229, issued by NPPES.
Does Dr. John Merillat accept Medicare assignment?
Yes. Dr. John Merillat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Merillat commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (HCPCS 93297); 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.