John Mardones, M.D.
Emergency Medicine Physician · Indio, CA
John Mardones, M.D. is an emergency medicine physician with a practice address in Indio, California, and NPI 1669408522, issued on Jun 23, 2006. Check the license (California A41581, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Mardones
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A41581 CA
Self-reported in NPPES; status is on the state search - Practice location
- 47111 Monroe St, Indio, CA 92201
- Phone
- (760) 347-6191
- Enumerated
- Jun 23, 2006
- Record last updated
- Aug 26, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 00A415810 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 47111 Monroe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Timothy Evje, PA-CPhysician Assistant1023411949
- Dean Garcia, R.PH.Nutrition Support Pharmacist1265633549
- Daniel Gendron, APRN-NPFamily Nurse Practitioner1144949660
Verify John Mardones in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average emergency medicine physician in 2024
511 Medicare Part D claims for 240 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Cephalexin112 claims
- Prednisone30 claims
- Acetaminophen-Codeine29 claims
- Amoxicillin-Clavulanate Potass23 claims
- Hydrocodone-Acetaminophen23 claims
- Ibuprofen20 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.
John Mardones among 7,751 emergency medicine physician records in California
John Mardones, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2009 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Indio → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Laleh GhaffarianIndio, CA 922011114373537
- Frank Schuler, M.D.Indio, CA 922011154357457
- Wendy Velasco, M.D.Indio, CA 922011235382052
- Michael Groban, M.D.Indian Wells, CA 922101750581690
- Ivan Kanno, MDIndian Wells, CA 922101053475061
- Rosalind Fahmy, M.D.Palm Desert, CA 922111508137720
- Patricia James, M.D.Palm Desert, CA 922111689693517
- Ludwig Cibelli, M.DBanning, CA 922201437198025
Common questions
What is John Mardones, M.D.'s NPI number?
John Mardones, M.D.'s National Provider Identifier (NPI) is 1669408522, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Mardones, M.D. located?
The NPPES record lists a practice address at 47111 Monroe St, Indio, CA, 92201. Phone: (760) 347-6191. Providers update this record themselves, so call before visiting.
How can I verify John Mardones, M.D.'s license?
NPPES lists California license number A41581, 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 Mardones, M.D. prescribe under Medicare Part D?
In 2024, John Mardones, M.D. had 511 Medicare Part D claims for 240 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.