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MR. GREGORY ALLEN O GUNN PA-C
NPI 1790971992
Physician Assistant in La Mesa, CA

Active since September 20, 2007PECOS Enrolled
5555 GROSSMONT CENTER DR, LA MESA, CA 91942(619) 740-5014(619) 740-4213 Get Directions Write a Review

NPPES record last updated: March 23, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Gregory Allen O Gunn Pa-c NPPES

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

MR. GREGORY ALLEN O GUNN PA-C (NPI 1790971992) is an individual physician assistant in La Mesa, California, licensed in California (PA19343) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790971992
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. GREGORY ALLEN O GUNNCredential: PA-C
Location Address5555 GROSSMONT CENTER DRLa Mesa, CA 91942-3019
Mailing Address5555 Grossmont Center DrLa Mesa, CA 91942-3019 · (619) 740-5014 · Fax (619) 740-4213
Phone(619) 740-5014
Fax(619) 740-4213
Sole ProprietorNo
Enumeration DateSeptember 20, 2007
Last NPPES UpdateMarch 23, 2017
✔ NPI 1790971992 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 CA · PA19343
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.
5555 GROSSMONT CENTER DR, La Mesa, CA 91942
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Gregory Allen O Gunn 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 91942 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

ALHELI BAILY
Registered Nurse
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
MISS APRIL JULIA CROMIE PMHNP-BC, APRN, MSN
Nurse Practitioner (Psychiatric/Mental Health)
5555 GROSSMONT CENTER DR, 5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (858) 296-6182
TEAGAN SHEA COLEMAN
Registered Nurse (Emergency)
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
BRENDAN J LEE DO
Emergency Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 644-4401
PAUL Y ABOU MD
Internal Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 465-0711
MRS. AMY ELIZABETH VU P.A.-C
Physician Assistant
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
CHRISTA ANN LANDOWSKA AREFIEVA MD
Emergency Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
TYLER QUOC NGUYEN
Pharmacist
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000

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 Gregory Allen Gunn's NPI number?

The NPI number for Gregory Allen Gunn is 1790971992. It was assigned to this individual provider in the NPPES registry on September 20, 2007.

Where is Gregory Allen Gunn located?

Gregory Allen Gunn practices at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (619) 740-5014.

What is Gregory Allen Gunn's specialty?

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

Is Gregory Allen Gunn enrolled in Medicare?

Yes. Gregory Allen Gunn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Allen Gunn was last updated on March 23, 2017. 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.