Oscar Daniel Lopez, MD
Interventional Cardiology Physician · Ventura, CA
Oscar Daniel Lopez, MD is an interventional cardiology physician with a practice address in Ventura, California, and NPI 1629034087, issued on Apr 25, 2006. Check the license (California A84436, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Oscar Daniel Lopez
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- A84436 CA
Self-reported in NPPES; status is on the state search - Practice location
- 888 S Hill RD, Ventura, CA 93003
- Phone
- (805) 477-6311
- Enumerated
- Apr 25, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A844360 CA
- Medicare enrollment
- Enrolled (PECOS I20050613000903); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 632 in California → Look up another NPI →
Also registered at 888 S Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Adams, M.D.Family Medicine Physician1811925225
- Erin Anderson, P.T.Physical Therapist1811916299
- Nathania BarriosPharmacist1346827763
- Charles Brenner, M.D.Orthopaedic Surgery Physician1548299035
- Eric Chun, M.D.Family Medicine Physician1699702381
- Megan Chynoweth, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1689980260
Verify Oscar Daniel Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average interventional cardiology physician in 2024
5,628 Medicare Part D claims for 916 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Tartrate788 claims
- Pradaxa645 claims
- Atorvastatin Calcium477 claims
- Furosemide459 claims
- Clopidogrel262 claims
- Jardiance236 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.
Industry payments in 2024: $32.63
2 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 6,394 providers of this specialty with any payment received $7,062.29 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
- Southern California Permanente Medical GroupVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oscar Daniel Lopez among 632 interventional cardiology physician records in California
Oscar Daniel Lopez, MD is one of 632 interventional cardiology physician records with a practice address in California. 90% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 52% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2002 · median 2001 among the 526 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in California
There are 632 interventional cardiology physician records in California.
All 632 in California → Every provider in Ventura → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Ramin Assadi, MDVentura, CA 930031942418793
- Dennis Brooks, MDVentura, CA 930031376547299
- Omid Fatemi, M.D.Ventura, CA 930031326293143
- Mohammad Madjid, MDVentura, CA 930031083868145
- Shirish Patel, MDVentura, CA 930031619971538
- Robert Sogomonian, M.D., M.B.A.Ventura, CA 930031760809164
- Jeffrey Harrell, M.D.Simi Valley, CA 930651396058095
- Bina Ahmed, MDSanta Barbara, CA 931051598821803
Common questions
What is Oscar Daniel Lopez, MD's NPI number?
Oscar Daniel Lopez, MD's National Provider Identifier (NPI) is 1629034087, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Daniel Lopez, MD located?
The NPPES record lists a practice address at 888 S Hill RD, Ventura, CA, 93003. Phone: (805) 477-6311. Providers update this record themselves, so call before visiting.
How can I verify Oscar Daniel Lopez, MD's license?
NPPES lists California license number A84436, 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 Oscar Daniel Lopez, MD prescribe under Medicare Part D?
In 2024, Oscar Daniel Lopez, MD had 5,628 Medicare Part D claims for 916 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.