AYIN D. HERNANDEZ FNP-C
NPI 1619433489
Nurse Practitioner in Peoria, AZ

Active since February 15, 2019PECOS Enrolled
9750 W PEORIA AVE STE 120, PEORIA, AZ 85345(623) 281-1620(623) 281-1622 Get Directions Write a Review

NPPES record last updated: August 7, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 7, 2024, Jun 13, 2019, Feb 15, 2019 (3 updates tracked since 2019).

About Ayin D. Hernandez Fnp-c NPPES

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

AYIN D. HERNANDEZ FNP-C (NPI 1619433489) is an individual nurse practitioner in Peoria, Arizona, licensed in Arizona (220568) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Sun City West.

NPPES Registry Identity

NPI1619433489
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameAYIN D. HERNANDEZCredential: FNP-C
Location Address9750 W PEORIA AVE STE 120Peoria, AZ 85345-6108
Mailing Address102 Woodmont Blvd Ste 600Nashville, TN 37205-5250
Fax(623) 281-1622
Sole ProprietorNo
Enumeration DateFebruary 15, 2019
Last NPPES UpdateAugust 7, 20243 updates tracked since enumeration
NPPES CertifiedAugust 7, 2024
✔ NPI 1619433489 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 AZ · 220568
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.
9750 W PEORIA AVE STE 120, Peoria, AZ 85345

Secondary Practice Location 1

Location 114502 W Meeker BlvdSun City West, AZ 85375-5282 · Phone (623) 223-2690

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ayin D. Hernandez Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Ayin Hernandez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
25812 N 67TH DR
Peoria, AZ 85383
  • Reassigned Medicare billing, Arizona enrollment
  • 4 clinicians in this Medicare group
Internal Medicine
4315 E MAIN ST
Mesa, AZ 85205
  • Reassigned Medicare billing, Arizona enrollment
  • 110 clinicians in this Medicare group

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 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
128 services110 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
123 services107 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85345 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.

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 Ayin Hernandez's NPI number?

The NPI number for Ayin Hernandez is 1619433489. It was assigned to this individual provider in the NPPES registry on February 15, 2019.

Where is Ayin Hernandez located?

Ayin Hernandez practices at 9750 W Peoria Ave Ste 120, Peoria, AZ 85345. The listed phone number is (623) 281-1620.

What is Ayin Hernandez's specialty?

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

Is Ayin Hernandez enrolled in Medicare?

Yes. Ayin Hernandez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ayin Hernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ayin Hernandez reassigns Medicare benefits to 2 organizations: Chp Care, PC (Peoria, AZ) and Archwell Health Professional Services Of Arizona, LLC (Mesa, AZ). Each 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 Ayin Hernandez'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 Ayin Hernandez was last updated on August 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.