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

CASEY LORRAINE GILLIGAN
NPI 1427740307
Physician Assistant - Medical in New York, NY

Q: What is Casey Gilligan's NPI number?

The NPI number for Casey Gilligan is 1427740307. It was assigned to this individual provider in the NPPES registry on May 22, 2023.

Q: What is Casey Gilligan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Casey Gilligan was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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 May 22, 2023

347 W 16TH ST APT 1C, NEW YORK, NY 10011(303) 883-0207 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 2, 2026, May 22, 2023 (2 updates tracked since 2023).

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About Casey Lorraine Gilligan NPPES

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

CASEY LORRAINE GILLIGAN (NPI 1427740307) is an individual medical provider in New York, New York, licensed in New York (031750) and active in the NPI registry since May 2023. She maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1427740307

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameCASEY LORRAINE GILLIGAN

Location Address347 W 16TH ST APT 1CNew York, NY 10011-5931

Mailing Address347 W 16th St Apt 1cNew York, NY 10011-5931

Phone(303) 883-0207

Sole ProprietorYes

Enumeration DateMay 22, 2023

Last NPPES UpdateSeptember 2, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2026

✔ NPI 1427740307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

Licenses✔ Licensed in NY · 031750✔ Licensed in FL · PA9117654

347 W 16TH ST APT 1C, New York, NY 10011

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Secondary Practice Location 1

Location 1170 William StNew York, NY 10038-2612 · Phone (212) 312-5000

Areas of Expertise CMS Part B claims

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

26 services18 patients

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 Casey Gilligan's NPI number?

The NPI number for Casey Gilligan is 1427740307. It was assigned to this individual provider in the NPPES registry on May 22, 2023.

Where is Casey Gilligan located?

Casey Gilligan practices at 347 W 16th St Apt 1C, New York, NY 10011. The listed phone number is (303) 883-0207.

What is Casey Gilligan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Casey Gilligan was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.