DR. STEVEN C. LUDWIG M.D.
NPI 1912954454
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Baltimore, MD
About Dr. Steven C. Ludwig M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN C. LUDWIG M.D. (NPI 1912954454) is an individual orthopaedic surgery of the spine provider in Baltimore, Maryland, licensed in Maryland (D0058503) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (1993).
NPPES Registry Identity
Specialties & Licenses 7
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Steven C. Ludwig M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Steven Ludwig reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Orthopaedic Trauma Associates, P.A.
- 56 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Orthopaedic Associates PA
- 87 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.
Areas of Expertise CMS Part B claims 23
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUmd Rehabilitation & Orthopaedic Institute
Acute Care Hospitals · Baltimore, MDReferred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Steven Ludwig's NPI number?
The NPI number for Steven Ludwig is 1912954454. It was assigned to this individual provider in the NPPES registry on May 30, 2006.
Where is Steven Ludwig located?
Steven Ludwig practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-6040.
What is Steven Ludwig's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Steven Ludwig enrolled in Medicare?
Yes. Steven Ludwig is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Steven Ludwig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Ludwig reassigns Medicare benefits to 2 organizations: University Of Maryland Orthopaedic Trauma Associates, PA (Baltimore, MD) and University Of Maryland Orthopaedic Associates P A (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 Steven Ludwig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steven Ludwig affiliated with any hospitals?
According to CMS data, Steven Ludwig is affiliated with University Of Maryland Medical Center and Umd Rehabilitation & Orthopaedic Institute.
When was this NPI record last updated?
The NPPES record for Steven Ludwig was last updated on March 19, 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.