DR. STEPHEN JOHN WITANOWSKI MD
NPI 1003040726
Internal Medicine in Baltimore, MD
About Dr. Stephen John Witanowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN JOHN WITANOWSKI MD (NPI 1003040726) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0080458) and active in the NPI registry since May 2009. 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)
Dr. Stephen John Witanowski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Witanowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21209
- Reassigned Medicare billing, Maryland enrollment
- 317 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 21209 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred 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 21209
BALTIMORE, MD 21209
BALTIMORE, MD 21209
BALTIMORE, MD 21209
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 Stephen Witanowski's NPI number?
The NPI number for Stephen Witanowski is 1003040726. It was assigned to this individual provider in the NPPES registry on May 9, 2009.
Where is Stephen Witanowski located?
Stephen Witanowski practices at 2700 Quarry Lake Dr Suite 280, Baltimore, MD 21209. The listed phone number is (410) 469-5544.
What is Stephen Witanowski's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephen Witanowski enrolled in Medicare?
Yes. Stephen Witanowski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Witanowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Witanowski reassigns Medicare benefits to Lifebridge Community Physicians, Inc. (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 Stephen Witanowski'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 Stephen Witanowski was last updated on January 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.