NPPES file of Aug 9, 2026

Demetri Tsiolkas

Internal Medicine Physician · Glen Burnie, MD

Demetri Tsiolkas is an internal medicine physician with a practice address in Glen Burnie, Maryland, and NPI 1194301812, issued on Mar 23, 2021. Check the license (Maryland H0101140, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194301812
Name
Demetri Tsiolkas
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
H0101140 MD
Self-reported in NPPES; status is on the state search
Practice location
301 Hospital Dr, Glen Burnie, MD 21061
Phone
(410) 787-4000
Enumerated
Mar 23, 2021
Record last updated
Jul 26, 2024
Medicare enrollment
Enrolled (PECOS I20240807003396); accepts Medicare assignment
Medical or professional school
Edward Via Col Of Osteo Medicine-Carolinas Campus, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 301 Hospital Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Abert, MDEmergency Medicine Physician1932142122
  2. Omoyemi Adebayo, M.D.Emergency Medicine Physician1063788842
  3. Hajara AdebowaleNurse Practitioner1265161491
  4. Omolara Adewuni, M.D.Internal Medicine Physician1336317676
  5. Chinaemerem Agbakwuru, M.D.Pediatrics Physician1467865915
  6. Courtney Ajello, DNP, CRNACertified Registered Nurse Anesthetist1295439131

Verify Demetri Tsiolkas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license H0101140
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

90 Medicare Part D claims for 41 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Demetri Tsiolkas90
  2. Specialty average3,176

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $36.02

2 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Demetri Tsiolkas$36.02
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mdics AT Bwmc LLCGlen Burnie, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Demetri Tsiolkas among 3,904 internal medicine physician records in Maryland

Demetri Tsiolkas is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2021 · median 2003 among the 2,445 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

70 internal medicine physician records list a practice address in Glen Burnie

They are 70 of the 1,989 NPPES records with a practice address in Glen Burnie, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Harvinder Arora, MDGlen Burnie, MD 210611487644241
  2. Darius Cameron, MDGlen Burnie, MD 210611255313029
  3. Anil Chopra, MDGlen Burnie, MD 210611205836236
  4. Henry Francis, MDGlen Burnie, MD 210611295718500
  5. Patricia Gao, M.D.Glen Burnie, MD 210611821070608
  6. Elliott Gorbaty, M.D.Glen Burnie, MD 210611528043049
  7. Alvin Madarang, M.D.Glen Burnie, MD 210611144214255
  8. Ayoku Oketunji, MDGlen Burnie, MD 210611083697312

Common questions

What is Demetri Tsiolkas's NPI number?

Demetri Tsiolkas's National Provider Identifier (NPI) is 1194301812, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Demetri Tsiolkas located?

The NPPES record lists a practice address at 301 Hospital Dr, Glen Burnie, MD, 21061. Phone: (410) 787-4000. Providers update this record themselves, so call before visiting.

How can I verify Demetri Tsiolkas's license?

NPPES lists Maryland license number H0101140, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Demetri Tsiolkas prescribe under Medicare Part D?

In 2024, Demetri Tsiolkas had 90 Medicare Part D claims for 41 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.