CLAYTON L DEAN MD
NPI 1144431180
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Baltimore, MD

Active since May 24, 2007PECOS Enrolled
301 SAINT PAUL ST, MARYLAND SPINE CENTER, BALTIMORE, MD 21202(410) 539-3434(410) 539-3550 Get Directions Write a Review

NPPES record last updated: June 2, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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

NPI1144431180
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameCLAYTON L DEANCredential: MD
Location Address301 SAINT PAUL ST, MARYLAND SPINE CENTERBaltimore, MD 21202-2102
Mailing Address301 Saint Paul St, Maryland Spine CenterBaltimore, MD 21202-2102 · (410) 539-3434 · Fax (410) 539-3550
Fax(410) 539-3550
Sole ProprietorNo
Enumeration DateMay 24, 2007
Last NPPES UpdateJune 2, 2015
✔ NPI 1144431180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
License✔ Licensed in MD · D0068886
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
301 SAINT PAUL ST, Baltimore, MD 21202

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Orthopaedic Surgery of the Spine
301 ST PAUL PLACE, SPINE CENTER, LOWER LEVEL
Baltimore, MD 21202
  • Reassigned Medicare billing, Maryland enrollment
  • 9 clinicians in this Medicare group
General Practice
5601 LOCH RAVEN BLVD, RUSSELL MORGAN BLDG 3RD FL
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.

Nurse Anesthetist, Certified Registered
301 SAINT PAUL ST
BALTIMORE, MD 21202
Neurological Surgery
301 SAINT PAUL ST, POB # 310
BALTIMORE, MD 21202
Physical Therapist
301 SAINT PAUL ST
BALTIMORE, MD 21202
Psychiatry & Neurology (Neurology)
301 SAINT PAUL ST, POB 402
BALTIMORE, MD 21202
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
301 SAINT PAUL ST, SPINE CENTER, LOWER LEVEL
BALTIMORE, MD 21202
Thoracic Surgery (Cardiothoracic Vascular Surgery)
301 SAINT PAUL ST
BALTIMORE, MD 21202
Specialist
301 SAINT PAUL ST, SUITE 718
BALTIMORE, MD 21202
Anesthesiology
301 SAINT PAUL ST
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.