CLAYTON L DEAN MD
NPI 1144431180
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Baltimore, MD
About Clayton L Dean Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAYTON L DEAN MD (NPI 1144431180) is an individual orthopaedic surgery of the spine provider in Baltimore, Maryland, licensed in Maryland (D0068886) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Clayton L Dean Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Clayton Dean reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 9 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
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 Clayton Dean's NPI number?
The NPI number for Clayton Dean is 1144431180. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is Clayton Dean located?
Clayton Dean practices at 301 Saint Paul St Maryland Spine Center, Baltimore, MD 21202. The listed phone number is (410) 539-3434.
What is Clayton Dean's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Clayton Dean enrolled in Medicare?
Yes. Clayton Dean is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Clayton Dean's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Dean reassigns Medicare benefits to 2 organizations: Maryland Spine Center Chartered (Baltimore, MD) and Medstar Medical Group II LLC (Baltimore, MD). Each 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 Clayton Dean's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Clayton Dean was last updated on June 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.