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MR. MARK A ROSS
NPI 1013438647
Rehabilitation Practitioner in Ventura, CA

Active since July 05, 2017
5850 THILLE ST, VENTURA, CA 93003(805) 844-0755 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 26, 2026, Apr 2, 2025, Jul 5, 2017 (3 updates tracked since 2017).

About Mr. Mark A Ross NPPES

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

MR. MARK A ROSS (NPI 1013438647) is an individual rehabilitation practitioner in Ventura, California and active in the NPI registry since July 2017.

NPPES Registry Identity

NPI1013438647
Entity TypeIndividualMale
Primary Taxonomy225400000X
Provider Legal NameMR. MARK A ROSS
Location Address5850 THILLE STVentura, CA 93003-5413
Mailing Address5850 Thille St Ste 205Ventura, CA 93003-9004
Phone(805) 844-0755
Sole ProprietorYes
Enumeration DateJuly 5, 2017
Last NPPES UpdateJanuary 26, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1013438647 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ 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.

Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
Also ListedPeer SpecialistTaxonomy 175T00000X
5850 THILLE ST, Ventura, CA 93003
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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAMES EDWARD HERMANN M.D.
Family Medicine
5850 THILLE ST, SUITE 101
VENTURA, CA 93003
Ventura County (805) 639-9332
ERIC TODD BIRDWELL M.D.
Family Medicine
5850 THILLE ST, SUITE 101
VENTURA, CA 93003
Ventura County (805) 639-9332
WELLSPRING FAMILY MEDICAL GROUP
Family Medicine
5850 THILLE ST, SUITE 101
VENTURA, CA 93003
Ventura County (805) 639-9332
WESENBERG CHIROPRACTIC CORPORATION
Chiropractor
5850 THILLE ST, 204
VENTURA, CA 93003
Ventura County (805) 650-9106

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 Ross's NPI number?

The NPI number for Mark Ross is 1013438647. It was assigned to this individual provider in the NPPES registry on July 5, 2017.

Where is Mark Ross located?

Mark Ross practices at 5850 Thille St, Ventura, CA 93003. The listed phone number is (805) 844-0755.

What is Mark Ross's specialty?

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

When was this NPI record last updated?

The NPPES record for Mark Ross was last updated on January 26, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.