DEMETRI TSIOLKAS
NPI 1194301812
Internal Medicine in Glen Burnie, MD
About Demetri Tsiolkas NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEMETRI TSIOLKAS (NPI 1194301812) is an individual internal medicine provider in Glen Burnie, Maryland, licensed in Maryland (H0101140) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Md Baltimore Washington Medical Center, and maintains a secondary practice location in Blacksburg.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Demetri Tsiolkas 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 Reassignment
Medicare enrollment records show Demetri Tsiolkas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 67 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 3
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 MD Baltimore Washington Medical Center
Acute Care Hospitals · Glen Burnie, MDUmd Rehabilitation & Orthopaedic Institute
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21061 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.
GLEN BURNIE, MD 21061
GLEN BURNIE, MD 21061
GLEN BURNIE, MD 21061
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 Demetri Tsiolkas's NPI number?
The NPI number for Demetri Tsiolkas is 1194301812. It was assigned to this individual provider in the NPPES registry on March 23, 2021.
Where is Demetri Tsiolkas located?
Demetri Tsiolkas practices at 301 Hospital Dr, Glen Burnie, MD 21061. The listed phone number is (410) 787-4000.
What is Demetri Tsiolkas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Demetri Tsiolkas enrolled in Medicare?
Yes. Demetri Tsiolkas 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 organization bills Medicare for Demetri Tsiolkas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Demetri Tsiolkas reassigns Medicare benefits to Mdics At Bwmc LLC (Glen Burnie, 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 Demetri Tsiolkas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Demetri Tsiolkas affiliated with any hospitals?
According to CMS data, Demetri Tsiolkas is affiliated with University Of MD Baltimore Washington Medical Center and Umd Rehabilitation & Orthopaedic Institute.
When was this NPI record last updated?
The NPPES record for Demetri Tsiolkas was last updated on July 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.