Marcos Duran
Occupational Medicine Physician · Chino, CA
Marcos Duran is an occupational medicine physician with a practice address in Chino, California, and NPI 1982012944, issued on Jul 23, 2014. Check the license (California 20A14424, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marcos Duran
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- 20A14424 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5451 Walnut Ave, Chino, CA 91710
- Phone
- (909) 464-8989
- Enumerated
- Jul 23, 2014
- Record last updated
- Jan 19, 2022
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 415 in California → Look up another NPI →
Also registered at 5451 Walnut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmet AhmadiStudent in an Organized Health Care Education/Training Program1043199532
- Brian Ahn, D.O.Student in an Organized Health Care Education/Training Program1265849749
- Randall Allred, D.O.Student in an Organized Health Care Education/Training Program1629427703
- Harikrishna Ambati, MDFamily Medicine Physician1154998730
Verify Marcos Duran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $518.21
1 payment: travel and lodging; the largest payer was Boston Scientific Corporation. The 193 providers of this specialty with any payment received $2,381.67 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.
Marcos Duran among 415 occupational medicine physician records in California
Marcos Duran is one of 415 occupational medicine physician records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 90% of them.
- NPI issued2014 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2022 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in California
There are 415 occupational medicine physician records in California.
All 415 in California → Every provider in Chino → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Thai Do, MDBaldwin Park, CA 917061639240559
- Brian Lee, MDIrwindale, CA 917061912070327
- Jodi Lipson-Cassutt, DOBaldwin Park, CA 917061437226446
- Michael Wolf, MD, MSCovina, CA 917231982921706
- Amarilda Christensen, M.D.Rancho Cucamonga, CA 917301649476565
- Artemio Martin, M.D.Rancho Cucamonga, CA 917301063537959
- James Mitchner, MDRancho Cucamonga, CA 917301740338672
- Leonardo Rasi, M.D.Rancho Cucamonga, CA 917301821112111
Common questions
What is Marcos Duran's NPI number?
Marcos Duran's National Provider Identifier (NPI) is 1982012944, issued on Jul 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marcos Duran located?
The NPPES record lists a practice address at 5451 Walnut Ave, Chino, CA, 91710. Phone: (909) 464-8989. Providers update this record themselves, so call before visiting.
How can I verify Marcos Duran's license?
NPPES lists California license number 20A14424, 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.
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.