KEITH MARK GROSS MD INC
NPI 1871658278
Dermatology in Victorville, CA
About Keith Mark Gross Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH MARK GROSS MD INC (NPI 1871658278) is a healthcare organization registered as a dermatology in Victorville, California and active in the NPI registry since December 2006. The organization lists Keith Gross, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Keith Mark Gross Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Keith Mark Gross MD Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 05D0896408
Keith Mark Gross MD Inc · Victorville, CAFrequently 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 Keith Mark Gross MD Inc's NPI number?
The NPI number for Keith Mark Gross MD Inc is 1871658278. It was assigned to this organization in the NPPES registry on December 26, 2006.
Where is Keith Mark Gross MD Inc located?
Keith Mark Gross MD Inc is located at 15247 11th St Suite 400, Victorville, CA 92395. The listed phone number is (909) 335-8638.
What is Keith Mark Gross MD Inc's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Keith Mark Gross MD Inc enrolled in Medicare?
Yes. Keith Mark Gross MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Keith Mark Gross MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Keith Mark Gross MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Keith Mark Gross MD Inc was last updated on January 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.