MR. ERNEST JAMES FOX PA
NPI 1104809854
Physician Assistant in Tucson, AZ

Active since November 28, 2005PECOS EnrolledAccepts Medicare Assignment
98.3/100
CMS Quality Rating
5910 N LA CHOLLA BLVD, TUCSON, AZ 85741(520) 297-0404(520) 297-0436 Get Directions Write a Review

NPPES record last updated: September 17, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Ernest James Fox Pa NPPES

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

MR. ERNEST JAMES FOX PA (NPI 1104809854) is an individual physician assistant in Tucson, Arizona and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Tucson, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1104809854
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. ERNEST JAMES FOXCredential: PA
Location Address5910 N LA CHOLLA BLVDTucson, AZ 85741-3535
Mailing AddressPo Box 43160Tucson, AZ 85733-3160 · (520) 722-3777 · Fax (520) 296-6224
Fax(520) 297-0436
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateNovember 28, 2005
Last NPPES UpdateSeptember 17, 2021
NPPES CertifiedSeptember 17, 2021
NPI 1104809854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.

5910 N LA CHOLLA BLVD, Tucson, AZ 85741

Secondary Practice Location 1

Location 11773 W Saint Marys Rd Ste 202Tucson, AZ 85745-2654 · Phone (520) 297-0404 · Fax (520) 297-0436

Other Identifiers 1

Medicaid222338AZ

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mr. Ernest James Fox Pa 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 ID3375640006
PECOS Enrollment IDI20070515000153
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85741 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 8

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
4 suppliers30 claims374 services$17.93 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
4 suppliers27 claims790 services$2.36 avg. paid by Medicare
Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238
DME-Medical/Surgical Supplies · category DA000N
2 suppliers32 claims32 services$166.75 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
31 suppliers99 claims409 services$6.58 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
14 suppliers38 claims82 services$1.12 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
4 suppliers50 claims50 services$305.37 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741
Dietitian, Registered
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741
Audiologist
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741
Clinical Medical Laboratory
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741
Nurse Practitioner (Family)
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741
Audiologist
5910 N LA CHOLLA BLVD
TUCSON, AZ 85741

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 Ernest Fox's NPI number?

The NPI number for Ernest Fox is 1104809854. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Where is Ernest Fox located?

Ernest Fox practices at 5910 N La Cholla Blvd, Tucson, AZ 85741. The listed phone number is (520) 297-0404.

What is Ernest Fox's specialty?

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

Is Ernest Fox enrolled in Medicare?

Yes. Ernest Fox 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.

What insurance does Ernest Fox accept?

Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and UnitedHealthcare list Ernest Fox 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 Ernest Fox was last updated on September 17, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.