Yunior Martinez Duenas, M.D.
Family Medicine Physician · Bakersfield, CA
Yunior Martinez Duenas, M.D. is a family medicine physician with a practice address in Bakersfield, California, and NPI 1659804748, issued on Apr 6, 2017. Check the license (California A163696, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yunior Martinez Duenas
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A163696 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9001 South H Street, Bakersfield, CA 93307
- Phone
- (661) 328-4260
- Enumerated
- Apr 6, 2017
- Record last updated
- May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (661) 617-2888
- Medicare enrollment
- Enrolled (PECOS I20210709000534); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Yunior Martinez Duenas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average family medicine physician in 2024
5,332 Medicare Part D claims for 463 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium584 claims
- Lisinopril352 claims
- Metformin Hcl327 claims
- Losartan Potassium215 claims
- Amlodipine Besylate196 claims
- Gabapentin183 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: $528.71
35 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Clinica Sierra VistaFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yunior Martinez Duenas among 17,133 family medicine physician records in California
Yunior Martinez Duenas, M.D. is one of 17,133 family 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
209 family medicine physician records list a practice address in Bakersfield
They are 209 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Bakersfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Carmina Dizon, MDBakersfield, CA 933071699974634
- Sunday Irene, M.DBakersfield, CA 933071154541019
- Hector Arreaza, MDBakersfield, CA 933061366853194
- Nagy Awadalla, M.D.Bakersfield, CA 933081255335956
- Mandeep Bath, MDBakersfield, CA 933061205494846
- Isabelo Bustamante, MDBakersfield, CA 933061316696438
- Steffi D'Souza, M.D.Bakersfield, CA 933081043830144
- Patrick Daley, M.D.Bakersfield, CA 933081285624502
Common questions
What is Yunior Martinez Duenas, M.D.'s NPI number?
Yunior Martinez Duenas, M.D.'s National Provider Identifier (NPI) is 1659804748, issued on Apr 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Yunior Martinez Duenas, M.D. located?
The NPPES record lists a practice address at 9001 South H Street, Bakersfield, CA, 93307. Phone: (661) 328-4260. Providers update this record themselves, so call before visiting.
How can I verify Yunior Martinez Duenas, M.D.'s license?
NPPES lists California license number A163696, 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 Yunior Martinez Duenas, M.D. prescribe under Medicare Part D?
In 2024, Yunior Martinez Duenas, M.D. had 5,332 Medicare Part D claims for 463 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.