Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DR. MICHAEL OSULLIVAN DNP
NPI 1285531939
Nurse Practitioner - Acute Care in Saint Augustine, FL

Q: What is Michael Osullivan's NPI number?

The NPI number for Michael Osullivan is 1285531939. It was assigned to this individual provider in the NPPES registry on October 23, 2026.

Q: What is Michael Osullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Michael Osullivan was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 October 23, 2026

300 HEALTH PARK BLVD STE 400, SAINT AUGUSTINE, FL 32086(904) 826-8666 Get Directions Write a Review

NPPES record added: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Michael Osullivan Dnp NPPES

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

DR. MICHAEL OSULLIVAN DNP (NPI 1285531939) is an individual acute care provider in Saint Augustine, Florida, licensed in Florida (11051600) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1285531939

Entity TypeIndividualMale

Primary Taxonomy363LA2100X

Provider Legal NameDR. MICHAEL OSULLIVANCredential: DNP

Location Address300 HEALTH PARK BLVD STE 400Saint Augustine, FL 32086-3707

Mailing Address300 Health Park Blvd Ste 400Saint Augustine, FL 32086-3707 · (904) 826-8666

Phone(904) 826-8666

Sole ProprietorNo

Enumeration DateOctober 23, 2026

NPPES CertifiedOctober 23, 2026

✔ NPI 1285531939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in FL · 11051600

300 HEALTH PARK BLVD STE 400, Saint Augustine, FL 32086

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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 Michael Osullivan's NPI number?

The NPI number for Michael Osullivan is 1285531939. It was assigned to this individual provider in the NPPES registry on October 23, 2026.

Where is Michael Osullivan located?

Michael Osullivan practices at 300 Health Park Blvd Ste 400, Saint Augustine, FL 32086. The listed phone number is (904) 826-8666.

What is Michael Osullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Michael Osullivan was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.