DR. MARK G SABA M.D.
NPI 1790704310
Internal Medicine in Towson, MD
About Dr. Mark G Saba M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK G SABA M.D. (NPI 1790704310) is an individual internal medicine provider in Towson, Maryland, licensed in Maryland (D58656) and active in the NPI registry since July 2006. He has opted out of Medicare through March 12, 2027 and remains eligible to order and refer, holds a CLIA Waiver certificate valid through May 7, 2027, and is affiliated with University Of Md St Joseph Medical Center.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Dr. Mark G Saba M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 12, 2025 through March 12, 2027.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 21D2323474
Mark Saba MD LLC · Towson, MDAreas of Expertise CMS Part B claims 10
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of MD St Joseph Medical Center
Acute Care Hospitals · Towson, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 15
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TOWSON, MD 21204
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 Mark Saba's NPI number?
The NPI number for Mark Saba is 1790704310. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Mark Saba located?
Mark Saba practices at 120 Sister Pierre Dr Ste 507, Towson, MD 21204. The listed phone number is (443) 455-9234.
What is Mark Saba's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mark Saba enrolled in Medicare?
No. Mark Saba has opted out of Medicare through March 12, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
Does Mark Saba hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 21D2323474) is associated with this NPI, valid through May 7, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
Is Mark Saba affiliated with any hospitals?
According to CMS data, Mark Saba is affiliated with University Of MD St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Saba was last updated on July 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.