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MRS. DAY KELLER PA-C
NPI 1881143410
Physician Assistant in Fountain Hills, AZ

Active since September 23, 2016PECOS Enrolled
16605 E PALISADES BLVD STE 150, FOUNTAIN HILLS, AZ 85268(480) 837-4300 Get Directions Write a Review

NPPES record last updated: November 28, 2016. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mrs. Day Keller Pa-c NPPES

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

MRS. DAY KELLER PA-C (NPI 1881143410) is an individual physician assistant in Fountain Hills, Arizona, licensed in Arizona (6487) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881143410
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. DAY KELLERCredential: PA-C
Location Address16605 E PALISADES BLVD STE 150Fountain Hills, AZ 85268-3717
Mailing Address16605 E Palisades Blvd Ste 150Fountain Hills, AZ 85268-3717 · (480) 837-4300 · Fax (480) 837-8302
Phone(480) 837-4300
Sole ProprietorNo
Enumeration DateSeptember 23, 2016
Last NPPES UpdateNovember 28, 2016
✔ NPI 1881143410 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in AZ · 6487
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
16605 E PALISADES BLVD STE 150, Fountain Hills, AZ 85268
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Day Keller Pa-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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
86 services84 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
29 services29 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
18 services18 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85268 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
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
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.

NIVEDITA NANDURKAR MD
Family Medicine
16605 E PALISADES BLVD STE 150
FOUNTAIN HILLS, AZ 85268
Maricopa County (480) 837-4300
ANURADHA KANDASAMY MD
Family Medicine
16605 E PALISADES BLVD STE 150
FOUNTAIN HILLS, AZ 85268
Maricopa County (480) 837-4300
HANNAH JOSEPHSON
Nurse Practitioner (Family)
16605 E PALISADES BLVD STE 150
FOUNTAIN HILLS, AZ 85268
Maricopa County (480) 837-4300
CHERYL ABLANQUE BEJONA FNP-C
Nurse Practitioner (Family)
16605 E PALISADES BLVD STE 150
FOUNTAIN HILLS, AZ 85268
Maricopa County (602) 751-4010

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 Day Keller's NPI number?

The NPI number for Day Keller is 1881143410. It was assigned to this individual provider in the NPPES registry on September 23, 2016.

Where is Day Keller located?

Day Keller practices at 16605 E Palisades Blvd Ste 150, Fountain Hills, AZ 85268. The listed phone number is (480) 837-4300.

What is Day Keller's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Day Keller enrolled in Medicare?

Yes. Day Keller is registered in the Medicare PECOS enrollment system.

What insurance does Day Keller accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Day Keller 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 Day Keller was last updated on November 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.