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DR. ALEXI KRISTINE MASON DO
NPI 1225657679
General Practice in Jacksonville, FL

Active since April 15, 2020PECOS Enrolled
2080 CHILD ST DEPT 5000, JACKSONVILLE, FL 32214(904) 523-7300 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 24, 2025, Jun 7, 2023, Apr 15, 2020 (3 updates tracked since 2020).

About Dr. Alexi Kristine Mason Do NPPES

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

DR. ALEXI KRISTINE MASON DO (NPI 1225657679) is an individual general practice provider in Jacksonville, Florida, licensed in Virginia (0102206760) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225657679
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. ALEXI KRISTINE MASONCredential: DO
Location Address2080 CHILD ST DEPT 5000Jacksonville, FL 32214-2111
Mailing Address2080 Child St Dept 5000Jacksonville, FL 32214-5000
Phone(904) 523-7300
Sole ProprietorNo
Enumeration DateApril 15, 2020
Last NPPES UpdateJune 24, 20253 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1225657679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in VA · 0102206760
Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2080 CHILD ST DEPT 5000, Jacksonville, FL 32214
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexi Kristine Mason Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

MICHELLE ALICIA COY DNP
Nurse Anesthetist, Certified Registered
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 542-7300
VAHIDEH YOUSEFI DE60505442
Dentist (General Practice)
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 546-7130
ISABELLA A FREGOSO RPH, PHARM.D.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 542-7300
BRADLEY RANDALL WINTERS
Military Health Care Provider
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 542-7300
JAKE MICHAEL ROUSE DO
Military Health Care Provider
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 610-5253
ESTHER ALAKIJA DO
Military Health Care Provider
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 542-7300
DR. NICHOLAS NATHAN SWEET D.O.
Radiology (Diagnostic Radiology)
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 542-7744
AARON B. SUMNER MD, JD, LT USN MC
General Practice
2080 CHILD ST DEPT 5000
JACKSONVILLE, FL 32214
Duval County (904) 542-7300

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 Alexi Mason's NPI number?

The NPI number for Alexi Mason is 1225657679. It was assigned to this individual provider in the NPPES registry on April 15, 2020.

Where is Alexi Mason located?

Alexi Mason practices at 2080 Child St Dept 5000, Jacksonville, FL 32214. The listed phone number is (904) 523-7300.

What is Alexi Mason's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Alexi Mason enrolled in Medicare?

Yes. Alexi Mason is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexi Mason was last updated on June 24, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.