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JUSTIN FRANCES GAGNON PA
NPI 1306402532
Physician Assistant - Surgical in San Francisco, CA

Active since May 13, 2019PECOS EnrolledAccepts Medicare Assignment
500 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-1601 Get Directions Write a Review

NPPES record last updated: June 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 10, 2025, Jun 6, 2022, Jan 16, 2020 and 2 more (5 updates tracked since 2019).

About Justin Frances Gagnon Pa NPPES

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

JUSTIN FRANCES GAGNON PA (NPI 1306402532) is an individual surgical provider in San Francisco, California, licensed in California (57451) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1306402532
Entity TypeIndividualMale
Primary Taxonomy363AS0400X
Provider Legal NameJUSTIN FRANCES GAGNONCredential: PA
Location Address500 PARNASSUS AVESan Francisco, CA 94143-2203
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000 · Fax (559) 443-2681
Phone(415) 353-1601
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 13, 2019
Last NPPES UpdateJune 10, 20255 updates tracked since enumeration
NPPES CertifiedJune 10, 2025
✔ NPI 1306402532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License✔ Licensed in CA · 57451
Also ListedPhysician AssistantTaxonomy 363A00000X · License 57451 (CA)
500 PARNASSUS AVE, San Francisco, CA 94143
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Secondary Practice Locations 2

Location 12823 Fresno StFresno, CA 93721-1324 · Phone (559) 459-3770
Location 2300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000 · Fax (559) 443-2681

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

Justin Frances Gagnon 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 ID5092141291
PECOS Enrollment IDI20200206002580
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.

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.

PRATAP MUKHERJEE M.D, M.S
Thoracic Surgery (Cardiothoracic Vascular Surgery)
500 PARNASSUS AVE, MUW425
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-7924
ARUSHI GULATI MD
Student in an Organized Health Care Education/Training Program
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-4562
SARAH CHONG
Pharmacist
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 681-3394
ABBEY LYNN KENNEDY M.D.
Orthopaedic Surgery
500 PARNASSUS AVE, MU 320W
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-6043
RACHEL LEVY MD
Obstetrics & Gynecology
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-4562
PROF. MATTHIEU LEGRAND MD, PHD
Anesthesiology (Critical Care Medicine)
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9035
SERGIO EDUARDO FLORES
Orthopaedic Surgery (Sports Medicine)
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1788
CHLOE CONNOLLY DLOTT
Student in an Organized Health Care Education/Training Program
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (628) 206-8000

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 Justin Gagnon's NPI number?

The NPI number for Justin Gagnon is 1306402532. It was assigned to this individual provider in the NPPES registry on May 13, 2019.

Where is Justin Gagnon located?

Justin Gagnon practices at 500 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-1601.

What is Justin Gagnon's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Justin Gagnon enrolled in Medicare?

Yes. Justin Gagnon 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.

When was this NPI record last updated?

The NPPES record for Justin Gagnon was last updated on June 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.