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YUNIOR MARTINEZ DUENAS M.D.
NPI 1659804748
Family Medicine in Bakersfield, CA

Active since April 06, 2017PECOS EnrolledAccepts Medicare Assignment
9001 SOUTH H STREET, CLINICA SIERRA VISTA / EAST NILES CHC, BAKERSFIELD, CA 93307(661) 328-4260(661) 617-2888 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Yunior Martinez Duenas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YUNIOR MARTINEZ DUENAS M.D. (NPI 1659804748) is an individual family medicine provider in Bakersfield, California, licensed in California (A163696) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1659804748
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameYUNIOR MARTINEZ DUENASCredential: M.D.
Location Address9001 SOUTH H STREET, CLINICA SIERRA VISTA / EAST NILES CHCBakersfield, CA 93307-5948
Mailing AddressPo Box 1559Bakersfield, CA 93302-1559 · (661) 328-4284 · Fax (661) 616-9977
Phone(661) 328-4260
Fax(661) 617-2888
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateApril 6, 2017
Last NPPES UpdateMay 19, 2021
NPPES CertifiedApril 28, 2021
✔ NPI 1659804748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A163696
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
9001 SOUTH H STREET, Bakersfield, CA 93307
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Yunior Martinez Duenas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709218746
PECOS Enrollment IDI20210709000534
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Yunior Martinez Duenas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinica Sierra Vista
Same address
Federally Qualified Health Center (FQHC)
9001 S H ST
Bakersfield, CA 93307
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1669621447 (California)
  • 264 clinicians in this Medicare group
NPI 1790128536 (661) 328-4260

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
26 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93307 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.09 typical visit price
range $59.26 – $178.09
Typical copayment $22.77 (range $14.81 – $44.52)
Most-billed visit code 99203
Established Patient
$104.09 typical visit price
range $19.34 – $145.64
Typical copayment $26.02 (range $4.83 – $36.41)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers28 claims43 services$3.39 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers15 claims17 services$0.77 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yunior Martinez Duenas's NPI number?

The NPI number for Yunior Martinez Duenas is 1659804748. It was assigned to this individual provider in the NPPES registry on April 6, 2017.

Where is Yunior Martinez Duenas located?

Yunior Martinez Duenas practices at 9001 South H Street Clinica Sierra Vista / East Niles Chc, Bakersfield, CA 93307. The listed phone number is (661) 328-4260.

What is Yunior Martinez Duenas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Yunior Martinez Duenas enrolled in Medicare?

Yes. Yunior Martinez Duenas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Yunior Martinez Duenas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yunior Martinez Duenas reassigns Medicare benefits to Clinica Sierra Vista (Bakersfield, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Yunior Martinez Duenas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Yunior Martinez Duenas was last updated on May 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.