John Charles Merillat, MD
Cardiovascular Disease Physician · Modesto, CA
John Charles Merillat, MD is a cardiovascular disease physician with a practice address in Modesto, California, and NPI 1346280229, issued on Jun 7, 2006. Check the license (California G67546, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Charles Merillat
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G67546 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1540 Florida Ave Ste 100, Modesto, CA 95350
- Phone
- (209) 577-5557
- Enumerated
- Jun 7, 2006
- Record last updated
- Jan 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (209) 579-7246
- Medicaid ID
- ZZZ76734Z CA
- Medicare enrollment
- Enrolled (PECOS I20080522000258); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1981
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 1540 Florida Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dat Do, M.D.Interventional Cardiology Physician1962508325
- Navneet Dullet, MDClinical Cardiac Electrophysiology Physician1073680971
- Alan Garvin, MDCardiovascular Disease Physician1386684132
- Cori LoganRegistered Nurse1477601995
- Satnam Ludder, MDCardiovascular Disease Physician1063469245
- Marlon Ramilo, M.D.Cardiovascular Disease Physician1659316412
Verify John Charles Merillat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G67546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,023 Medicare Part D claims for 532 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium318 claims
- Eliquis305 claims
- Lisinopril284 claims
- Metoprolol Succinate272 claims
- Furosemide265 claims
- Losartan Potassium228 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $711.81
21 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Valley Heart Associates Medical Group IncTurlock, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Charles Merillat among 2,574 cardiovascular disease physician records in California
John Charles Merillat, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1981 · median 1999 among the 1,742 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Modesto → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Leslie Baluyot, MDModesto, CA 953501134176381
- Alvin Eng, MDModesto, CA 953501013957851
- Alan Garvin, MDModesto, CA 953501386684132
- Talwinderdeep Kahlon, M.D.Modesto, CA 953501366760027
- Satnam Ludder, MDModesto, CA 953501063469245
- Emad Najjar, MDModesto, CA 953501134364334
- Marlon Ramilo, M.D.Modesto, CA 953501659316412
- William Smith, MDModesto, CA 953501750321717
Common questions
What is John Charles Merillat, MD's NPI number?
John Charles Merillat, MD's National Provider Identifier (NPI) is 1346280229, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Charles Merillat, MD located?
The NPPES record lists a practice address at 1540 Florida Ave Ste 100, Modesto, CA, 95350. Phone: (209) 577-5557. Providers update this record themselves, so call before visiting.
How can I verify John Charles Merillat, MD's license?
NPPES lists California license number G67546, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Charles Merillat, MD prescribe under Medicare Part D?
In 2024, John Charles Merillat, MD had 4,023 Medicare Part D claims for 532 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is John Charles Merillat, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.