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

MARK L GROTHMANN ATC
NPI 1942273271
Specialist/Technologist in West Chester, PA

Active since February 08, 2006
450 ELLIS LN, WEST CHESTER, PA 19380(484) 266-3938 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Mark L Grothmann Atc NPPES

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

MARK L GROTHMANN ATC (NPI 1942273271) is an individual specialist/technologist in West Chester, Pennsylvania, licensed in Pennsylvania (RT000133A) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1942273271
Entity TypeIndividualMale
Primary Taxonomy225500000X
Provider Legal NameMARK L GROTHMANNCredential: ATC
Location Address450 ELLIS LNWest Chester, PA 19380-5123
Mailing Address307 N Chester RdWest Chester, PA 19380-6622 · (610) 429-2400
Phone(484) 266-3938
Sole ProprietorNo
Enumeration DateFebruary 8, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1942273271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialist/TechnologistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225500000X
License✔ Licensed in PA · RT000133A
Definition
General classification identifying respiratory, developmental, rehabilitative or restorative services individuals who are trained on a specific piece of equipment or technical procedure.
Also ListedSpecialist/Technologist · Athletic TrainerTaxonomy 2255A2300X · License RT000133A (PA)
450 ELLIS LN, West Chester, PA 19380
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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.

MORETA DON DYKE
Specialist/Technologist (Athletic Trainer)
450 ELLIS LN
WEST CHESTER, PA 19380
Chester County (484) 266-3800
GABRIELLE ELISE CURTIS
Specialist/Technologist (Athletic Trainer)
450 ELLIS LN
WEST CHESTER, PA 19380
Chester County (484) 266-3800

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 Mark Grothmann's NPI number?

The NPI number for Mark Grothmann is 1942273271. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Mark Grothmann located?

Mark Grothmann practices at 450 Ellis Ln, West Chester, PA 19380. The listed phone number is (484) 266-3938.

What is Mark Grothmann's specialty?

The primary specialty registered for this NPI is Specialist/Technologist with taxonomy code 225500000X.

When was this NPI record last updated?

The NPPES record for Mark Grothmann was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.