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

MR. MAHLON THATCHER EVERHART V
NPI 1770375784
Rehabilitation Practitioner in Oceanside, CA

Q: What is Mahlon Everhart's NPI number?

The NPI number for Mahlon Everhart is 1770375784. It was assigned to this individual provider in the NPPES registry on May 19, 2025.

Q: What is Mahlon Everhart's specialty?

The primary specialty registered for this NPI is Rehabilitation Practitioner with taxonomy code 225400000X.

Q: When was this NPI record last updated?

The NPPES record for Mahlon Everhart was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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 19, 2025

1738 S TREMONT ST, OCEANSIDE, CA 92054(760) 439-2800(760) 433-5031 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mr. Mahlon Thatcher Everhart V NPPES

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

MR. MAHLON THATCHER EVERHART V (NPI 1770375784) is an individual rehabilitation practitioner in Oceanside, California and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1770375784

Entity TypeIndividualMale

Primary Taxonomy225400000X

Provider Legal NameMR. MAHLON THATCHER EVERHART V

Location Address1738 S TREMONT STOceanside, CA 92054-5309

Mailing Address1738 S Tremont StOceanside, CA 92054-5309 · (760) 439-2800 · Fax (760) 433-5031

Phone(760) 439-2800

Fax(760) 433-5031

Sole ProprietorNo

Enumeration DateMay 19, 2025

Last NPPES UpdateJune 25, 2026

NPPES CertifiedJune 25, 2026

✔ NPI 1770375784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Taxonomy Code225400000X

Definition

A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.

1738 S TREMONT ST, Oceanside, CA 92054

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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.

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