Ronald Hansel Main, M.D.
Cardiovascular Disease Physician · Carlsbad, CA
Ronald Hansel Main, M.D. is a cardiovascular disease physician with a practice address in Carlsbad, California, and NPI 1063520526, issued on Aug 26, 2006. Check the license (California G40882, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald Hansel Main
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- G40882 CA
01094694A IN
Self-reported in NPPES; status is on the state search - Practice location
- 2604B EL Camino Real Ste 275, Carlsbad, CA 92008
- Phone
- (442) 888-4176
- Enumerated
- Aug 26, 2006
- Record last updated
- Aug 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20210112002137); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Ronald Hansel Main in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G40882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
16 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Hansel Main among 2,574 cardiovascular disease physician records in California
Ronald Hansel Main, M.D. 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
- Graduated1978 · median 1999 among the 1,742 with a school on file
- Record last updated2024 · 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 Carlsbad → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Chandrakant Shah, M.D.Cardiff By The Sea, CA 920071114939105
- Mark Gordon, MDCarlsbad, CA 920101982652939
- Neil Treister, M.D.Bonsall, CA 920031235167305
- Robert Engler, M.D.Del Mar, CA 920141083044622
- Antone Salel, M.D.Del Mar, CA 920141699794230
- Mihir Barvalia, MDEl Cajon, CA 920201568723922
- Munir Chaudhuri, M.D.El Cajon, CA 920201932529732
- Ali Delbakhsh, M.D.El Cajon, CA 920201154365872
Common questions
What is Ronald Hansel Main, M.D.'s NPI number?
Ronald Hansel Main, M.D.'s National Provider Identifier (NPI) is 1063520526, issued on Aug 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Hansel Main, M.D. located?
The NPPES record lists a practice address at 2604B EL Camino Real Ste 275, Carlsbad, CA, 92008. Phone: (442) 888-4176. Providers update this record themselves, so call before visiting.
How can I verify Ronald Hansel Main, M.D.'s license?
NPPES lists California license number G40882, 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 Ronald Hansel Main, M.D. prescribe under Medicare Part D?
In 2024, Ronald Hansel Main, M.D. had 16 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
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.