DR. LESLIE S. MATTHEWS M.D.
NPI 1245294453
Orthopaedic Surgery in Baltimore, MD
About Dr. Leslie S. Matthews M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LESLIE S. MATTHEWS M.D. (NPI 1245294453) is an individual orthopaedic surgery provider in Baltimore, Maryland, licensed in Maryland (D0019606) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Leslie S. Matthews M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Leslie Matthews reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21218 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 21218
BALTIMORE, MD 21218
BALTIMORE, MD 21218
BALTIMORE, MD 21218
BALTIMORE, MD 21218
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 Leslie Matthews's NPI number?
The NPI number for Leslie Matthews is 1245294453. It was assigned to this individual provider in the NPPES registry on April 14, 2006.
Where is Leslie Matthews located?
Leslie Matthews practices at 3333 N Calvert St Johnston Prof Bldg, Ste 400, Baltimore, MD 21218. The listed phone number is (410) 554-2270.
What is Leslie Matthews's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Leslie Matthews enrolled in Medicare?
Yes. Leslie Matthews is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Leslie Matthews's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Matthews reassigns Medicare benefits to Medstar Medical Group II LLC (Baltimore, MD). The 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 Leslie Matthews'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 Leslie Matthews was last updated on October 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Leslie S. Matthews, M.D. · NPI 1245294453
Orthopaedic Surgery physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 14, 2006.
## Identity
- **NPI:** 1245294453 (Entity type: Individual)
- **Enumerated:** April 14, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** D0019606 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 3333 N CALVERT ST, JOHNSTON PROF BLDG, STE 400, Baltimore, MD 21218-2867
- **Phone:** (410) 554-2270
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 31, 2011
- **Other identifiers:** Medicare UPIN D74370
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Source: [NPI Profile](https://npiprofile.com/npi/1245294453) · Data from the CMS NPPES public registry.