George John Koullias, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · East Patchogue, NY
George John Koullias, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in East Patchogue, New York, and NPI 1992986509, issued on Nov 26, 2007. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- George John Koullias
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 036119605 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Hospital RD, East Patchogue, NY 11772
- Phone
- (631) 438-5030
- Enumerated
- Nov 26, 2007
- Record last updated
- Nov 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (631) 447-5954
- Medicare enrollment
- Enrolled (PECOS I20140613001134); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 446 in New York → Look up another NPI →
Also registered at 100 Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gopal Bhandarkar, M.D.Anesthesiology Physician1013156934
- Lesley-Anne Brown, N. P.Adult Health Nurse Practitioner1851519243
- Sabrina Diehl, LPNLicensed Practical Nurse1407290802
- Laureen Diot, ANP-CAdult Health Nurse Practitioner1235191370
- Peter Eckberg, MDFamily Medicine Physician1568564250
- Zoila Flores, D.O.Family Medicine Physician1104080811
Verify George John Koullias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
44 Medicare Part D claims for 21 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
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.
The MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $62,315.30
81 payments; by number, the most common kind was food and beverage; the largest payer was Organogenesis Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Chs Physician Partners PCWestbury, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George John Koullias among 446 thoracic surgery (cardiothoracic vascular surgery) physician records in New York
George John Koullias, MD is one of 446 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1991 · median 1999 among the 294 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in New York
There are 446 thoracic surgery (cardiothoracic vascular surgery) physician records in New York.
All 446 in New York → Every provider in East Patchogue → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Richard Rubenstein, MDEast Patchogue, NY 117721215961792
- Daniel Schwartz, MDSmithtown, NY 117871649205667
- Jorge Balaguer, M.D.Stony Brook, NY 117941649218934
- Ankit Dhamija, MDStony Brook, NY 117941831454354
- Harold Fernandez, M.D.Stony Brook, NY 117941720196546
- Sivaveera KandasamyStony Brook, NY 117941851788954
- Allison McLarty, M.D.Stony Brook, NY 117941376562769
- Jonathan Price, MDStony Brook, NY 117941295096527
Common questions
What is George John Koullias, MD's NPI number?
George John Koullias, MD's National Provider Identifier (NPI) is 1992986509, issued on Nov 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is George John Koullias, MD located?
The NPPES record lists a practice address at 100 Hospital RD, East Patchogue, NY, 11772. Phone: (631) 438-5030. Providers update this record themselves, so call before visiting.
How can I verify George John Koullias, MD's license?
Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does George John Koullias, MD prescribe under Medicare Part D?
In 2024, George John Koullias, MD had 44 Medicare Part D claims for 21 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is George John Koullias, MD's MIPS final score?
The 2023 MIPS final score is 98.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.