KATHLEEN MARIE MACKESSY FNP
NPI 1669944369
Nurse Practitioner - Family in San Diego, CA

Q: What is Kathleen Mackessy's NPI number?

The NPI number for Kathleen Mackessy is 1669944369. It was assigned to this individual provider in the NPPES registry on December 19, 2018.

Q: What is Kathleen Mackessy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Kathleen Mackessy was last updated on November 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since December 19, 2018

6155 CORNERSTONE CT E STE 220, SAN DIEGO, CA 92121(858) 458-2993 Get Directions Write a Review

NPPES record last updated: November 6, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 6, 2019, Jan 23, 2019, Dec 19, 2018 (3 updates tracked since 2018).

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About Kathleen Marie Mackessy Fnp NPPES

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

KATHLEEN MARIE MACKESSY FNP (NPI 1669944369) is an individual family provider in San Diego, California, licensed in California (NPF95010414) and active in the NPI registry since December 2018.

NPPES Registry Identity

NPI1669944369

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKATHLEEN MARIE MACKESSYCredential: FNP

Location Address6155 CORNERSTONE CT E STE 220San Diego, CA 92121-4737

Mailing Address1021 Museum CtOceanside, CA 92057-7904 · (760) 672-9476

Phone(858) 458-2993

Sole ProprietorNo

Enumeration DateDecember 19, 2018

Last NPPES UpdateNovember 6, 20193 updates tracked since enumeration

✔ NPI 1669944369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · NPF95010414

Also ListedHospitalistTaxonomy 208M00000X · License NPF95010414 (CA)

6155 CORNERSTONE CT E STE 220, San Diego, CA 92121

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Other Providers at the Same Location NPPES 2

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

MACKENZIE MAY CYPHER

Nurse Practitioner

6155 CORNERSTONE CT E STE 220
SAN DIEGO, CA 92121

San Diego County (858) 458-2992

MY VAN LUU THI NGUYEN MSN-APRN-FNP-C

Nurse Practitioner (Family)

6155 CORNERSTONE CT E STE 220
SAN DIEGO, CA 92121

San Diego County (619) 677-0856

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 Kathleen Mackessy's NPI number?

The NPI number for Kathleen Mackessy is 1669944369. It was assigned to this individual provider in the NPPES registry on December 19, 2018.

Where is Kathleen Mackessy located?

Kathleen Mackessy practices at 6155 Cornerstone Ct E Ste 220, San Diego, CA 92121. The listed phone number is (858) 458-2993.

What is Kathleen Mackessy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Kathleen Mackessy was last updated on November 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.