NPPES file of Aug 9, 2026

Panayiotis Tjionas, MD

Neurocritical Care Physician · Tulsa, OK

Panayiotis Tjionas, MD is a neurocritical care physician with a practice address in Tulsa, Oklahoma, and NPI 1609338417, issued on Apr 1, 2019. Check the license (Oklahoma 46326, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1609338417
Name
Panayiotis Tjionas
Credential
MD
Primary taxonomy
Neurocritical Care Physician 2084A2900X
License number
46326 OK
Self-reported in NPPES; status is on the state search
Practice location
6161 S Yale Ave, Tulsa, OK 74136
Phone
(918) 494-1418
Enumerated
Apr 1, 2019
Record last updated
Oct 13, 2025
Fax
(918) 494-1491
Medicare enrollment
Enrolled (PECOS I20251029002283); accepts Medicare assignment
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 6161 S Yale Ave

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

  1. Al-Ola Abdallah, M.DInternal Medicine Physician1386837151
  2. Jacqueline Abels, MA, RD, LDRegistered Dietitian1750551586
  3. Keivan Abtahi, D.O.Orthopaedic Surgery Physician1295000560
  4. Samuel Adhikari, DNPCertified Registered Nurse Anesthetist1003308198
  5. Ricardo AguilarSurgery Physician1427317791
  6. Olakunle Ajanaku, M.D.Hospitalist Physician1740270305

Verify Panayiotis Tjionas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 46326
    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 Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Warren Clinic IncTulsa, OK

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

Neurocritical Care Physician providers in Oklahoma

There are 7 neurocritical care physician records in Oklahoma.

The 6 neurocritical care physician records with the nearest ZIP codes

  1. Suraj Suku, M.D.Tulsa, OK 741331891833505
  2. Errol Gordon, M.D.Tulsa, OK 741041194762377
  3. James Rooks, M.D.Tulsa, OK 741041841269792
  4. Ronald Alvarado Dyer, MDOklahoma City, OK 731041255856027
  5. Davis Ewbank, DOOklahoma City, OK 731041205396322
  6. Jorge Ortiz Garcia, M.D.Oklahoma City, OK 731041689937336

Common questions

What is Panayiotis Tjionas, MD's NPI number?

Panayiotis Tjionas, MD's National Provider Identifier (NPI) is 1609338417, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Panayiotis Tjionas, MD located?

The NPPES record lists a practice address at 6161 S Yale Ave, Tulsa, OK, 74136. Phone: (918) 494-1418. Providers update this record themselves, so call before visiting.

How can I verify Panayiotis Tjionas, MD's license?

NPPES lists Oklahoma license number 46326, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.