Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GREGORY ALLEN HORN PA-C
NPI 1659890754
Physician Assistant in Phoenix, AZ

Q: What is Gregory Horn's NPI number?

The NPI number for Gregory Horn is 1659890754. It was assigned to this individual provider in the NPPES registry on September 11, 2017.

Q: What is Gregory Horn's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gregory Horn was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.

Active since September 11, 2017PECOS Enrolled

2902 W AGUA FRIA FWY STE 1090, PHOENIX, AZ 85027(602) 648-5444(602) 772-3801 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 12, 2022, Jul 13, 2020, Sep 11, 2017 (3 updates tracked since 2017).

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About Gregory Allen Horn Pa-c NPPES

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

GREGORY ALLEN HORN PA-C (NPI 1659890754) is an individual physician assistant in Phoenix, Arizona, licensed in Arizona (6888) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659890754

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameGREGORY ALLEN HORNCredential: PA-C

Location Address2902 W AGUA FRIA FWY STE 1090Phoenix, AZ 85027-3970

Mailing AddressPo Box 80217Phoenix, AZ 85060-0217 · (602) 385-2115 · Fax (480) 418-3323

Phone(602) 648-5444

Fax(602) 772-3801

Sole ProprietorNo

Enumeration DateSeptember 11, 2017

Last NPPES UpdateJune 16, 20263 updates tracked since enumeration

NPPES CertifiedJune 16, 2026

✔ NPI 1659890754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in AZ · 6888

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.

Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 6888 (AZ)

2902 W AGUA FRIA FWY STE 1090, Phoenix, AZ 85027

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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, UnitedHealthcare.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)

Gregory Allen Horn 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85027 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 20

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

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