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SIERRA IXTA FNP
NPI 1700729654
Nurse Practitioner in Oro Valley, AZ

Active since April 13, 2026PECOS EnrolledAccepts Medicare Assignment
12480 N RANCHO VISTOSO BLVD STE 180, ORO VALLEY, AZ 85755(520) 742-4008 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Sierra Ixta Fnp NPPES

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

SIERRA IXTA FNP (NPI 1700729654) is an individual nurse practitioner in Oro Valley, Arizona, licensed in Utah (120788324405) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1700729654
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameSIERRA IXTACredential: FNP
Location Address12480 N RANCHO VISTOSO BLVD STE 180Oro Valley, AZ 85755-1994
Mailing Address12480 N Rancho Vistoso Blvd Ste 180Oro Valley, AZ 85755-1994
Phone(520) 742-4008
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateApril 13, 2026
Last NPPES UpdateJune 30, 2026
NPPES CertifiedJune 30, 2026
✔ NPI 1700729654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in UT · 120788324405
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
12480 N RANCHO VISTOSO BLVD STE 180, Oro Valley, AZ 85755
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

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

Sierra Ixta Fnp 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 ID2163988510
PECOS Enrollment IDI20260727003237
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 Sierra Ixta reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arizona Pain Care Center, PLLC
Same address
Pain Medicine
12480 N RANCHO VISTOSO BLVD STE 180
Oro Valley, AZ 85755
  • Reassigned Medicare billing, Arizona enrollment
  • 14 clinicians in this Medicare group
NPI 1396246013 (520) 742-4008

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85755 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ARIZONA PAIN CARE CENTER, PLLC
Pain Medicine (Pain Medicine)
12480 N RANCHO VISTOSO BLVD STE 180
ORO VALLEY, AZ 85755
Pima County (520) 742-4008
CHAD E PLETNICK, PLLC
Anesthesiology (Pain Medicine)
12480 N RANCHO VISTOSO BLVD STE 180
ORO VALLEY, AZ 85755
Pima County (520) 742-4008
CHIA LI SHIAO DNP, FNP-C
Nurse Practitioner (Family)
12480 N RANCHO VISTOSO BLVD STE 180
ORO VALLEY, AZ 85755
Pima County (520) 742-4008
DR. CHAD E PLETNICK MD
Anesthesiology (Pain Medicine)
12480 N RANCHO VISTOSO BLVD STE 180
ORO VALLEY, AZ 85755
Pima County (520) 742-4008

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 Sierra Ixta's NPI number?

The NPI number for Sierra Ixta is 1700729654. It was assigned to this individual provider in the NPPES registry on April 13, 2026.

Where is Sierra Ixta located?

Sierra Ixta practices at 12480 N Rancho Vistoso Blvd Ste 180, Oro Valley, AZ 85755. The listed phone number is (520) 742-4008.

What is Sierra Ixta's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Sierra Ixta enrolled in Medicare?

Yes. Sierra Ixta 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 Sierra Ixta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sierra Ixta reassigns Medicare benefits to Arizona Pain Care Center, PLLC (Oro Valley, AZ). 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 Sierra Ixta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sierra Ixta accept?

Health plans from UnitedHealthcare list Sierra Ixta as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sierra Ixta was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.