1. Home
  2. Directory
  3. Hawaii
  4. Honolulu
  5. Counselor
  6. NPI Profile

GREGORY MASON M.A.
NPI 1841647815
Counselor - Mental Health in Honolulu, HI

Active since May 19, 2016
1552 KEWALO ST APT 250, HONOLULU, HI 96822(808) 492-5293 Get Directions Write a Review

NPPES record last updated: May 19, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory Mason M.a. NPPES

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

GREGORY MASON M.A. (NPI 1841647815) is an individual mental health provider in Honolulu, Hawaii and active in the NPI registry since May 2016.

NPPES Registry Identity

NPI1841647815
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameGREGORY MASONCredential: M.A.
Location Address1552 KEWALO ST APT 250Honolulu, HI 96822-4257
Mailing Address1552 Kewalo St Apt 250Honolulu, HI 96822-4257 · (808) 492-5293
Phone(808) 492-5293
Sole ProprietorYes
Enumeration DateMay 19, 2016
✔ NPI 1841647815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1552 KEWALO ST APT 250, Honolulu, HI 96822
Open in Google Maps ↗

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 Mason's NPI number?

The NPI number for Gregory Mason is 1841647815. It was assigned to this individual provider in the NPPES registry on May 19, 2016.

Where is Gregory Mason located?

Gregory Mason practices at 1552 Kewalo St Apt 250, Honolulu, HI 96822. The listed phone number is (808) 492-5293.

What is Gregory Mason's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Gregory Mason was last updated on May 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.