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

JEFFREY IRWIN MS, CSCS
NPI 1720644784
Clinical Exercise Physiologist in Charleston, SC

Q: What is Jeffrey Irwin's NPI number?

The NPI number for Jeffrey Irwin is 1720644784. It was assigned to this individual provider in the NPPES registry on May 15, 2019.

Q: What is Jeffrey Irwin's specialty?

The primary specialty registered for this NPI is Clinical Exercise Physiologist with taxonomy code 224Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Irwin was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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 15, 2019

1140 TIDAL VIEW LN, CHARLESTON, SC 29412(843) 810-5049 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 20, 2026, Oct 6, 2025, Jul 16, 2022 and 1 more (4 updates tracked since 2019).

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About Jeffrey Irwin Ms, Cscs NPPES

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

JEFFREY IRWIN MS, CSCS (NPI 1720644784) is an individual clinical exercise physiologist provider in Charleston, South Carolina, licensed in South Carolina (7248085872) and active in the NPI registry since May 2019.

NPPES Registry Identity

NPI1720644784

Entity TypeIndividualMale

Primary Taxonomy224Y00000X

Provider Legal NameJEFFREY IRWINCredential: MS, CSCS

Location Address1140 TIDAL VIEW LNCharleston, SC 29412-8420

Mailing Address1140 Tidal View LnCharleston, SC 29412-8420

Phone(843) 810-5049

Sole ProprietorYes

Enumeration DateMay 15, 2019

Last NPPES UpdateJuly 20, 20264 updates tracked since enumeration

NPPES CertifiedJuly 20, 2026

✔ NPI 1720644784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Exercise PhysiologistRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Taxonomy Code224Y00000X

License✔ Licensed in SC · 7248085872

Definition

A Clinical Exercise Physiologist is a health care professional who is trained to work with patients with chronic disease where exercise training has been shown to be of therapeutic benefit, including but not limited to cardiovascular and pulmonary disease, and metabolic disorders.

1140 TIDAL VIEW LN, Charleston, SC 29412

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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 Jeffrey Irwin's NPI number?

The NPI number for Jeffrey Irwin is 1720644784. It was assigned to this individual provider in the NPPES registry on May 15, 2019.

Where is Jeffrey Irwin located?

Jeffrey Irwin practices at 1140 Tidal View Ln, Charleston, SC 29412. The listed phone number is (843) 810-5049.

What is Jeffrey Irwin's specialty?

The primary specialty registered for this NPI is Clinical Exercise Physiologist with taxonomy code 224Y00000X.

When was this NPI record last updated?

The NPPES record for Jeffrey Irwin was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.