Ioannis Petrou Kariolis, M.D.
Hospitalist Physician · Oceanside, NY
Ioannis Petrou Kariolis, M.D. is a hospitalist physician with a practice address in Oceanside, New York, and NPI 1518129501, issued on Jun 30, 2008. Check the license (New York 258169, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ioannis Petrou Kariolis
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 258169 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Healthy Way, Oceanside, NY 11572
- Phone
- (516) 632-3666
- Enumerated
- Jun 30, 2008
- Record last updated
- May 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (516) 632-3667
- Medicare enrollment
- Enrolled (PECOS I20110629000345); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2007
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 2,067 in New York → Look up another NPI →
Also registered at 1 Healthy Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geraldine Abbey-Mensah, M.D.Vascular & Interventional Radiology Physician1447530167
- Gabrielle Abbott, PAPhysician Assistant1669158036
- Batool Abiad, DOStudent in an Organized Health Care Education/Training Program1932040359
- Wray AdamsCertified Registered Nurse Anesthetist1548598675
- Anubhav Agarwal, MDSports Medicine (Family Medicine) Physician1568709244
- Brody Agres, PA-CMedical Physician Assistant1689470502
Verify Ioannis Petrou Kariolis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 258169Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average hospitalist physician in 2024
290 Medicare Part D claims for 91 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Pantoprazole Sodium18 claims
- Furosemide17 claims
- Cefpodoxime Proxetil13 claims
- Prednisone12 claims
- Amlodipine Besylate11 claims
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: $97.87
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 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
- Mount Sinai School OF MedicineOceanside, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ioannis Petrou Kariolis among 2,067 hospitalist physician records in New York
Ioannis Petrou Kariolis, M.D. is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 17% of them.
- NPI issued2008 · 17% of these records are older, 77% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2007 · median 2013 among the 1,716 with a school on file
- Record last updated2019 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in New York
There are 2,067 hospitalist physician records in New York.
All 2,067 in New York → Every provider in Oceanside → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ayesha Anwarullah, MDOceanside, NY 115721528356433
- David Bernstein, MDOceanside, NY 115721013544592
- Alain Berthold, M.D.Oceanside, NY 115721538320403
- Jeremy Lawrence, MDOceanside, NY 115721467761411
- Melvin MathaiOceanside, NY 115721982284220
- Anila Nazli, M.D.Oceanside, NY 115721619355120
- Cyril NinanOceanside, NY 115721275276578
- Vivianne Sambour, M.DOceanside, NY 115721821436239
Common questions
What is Ioannis Petrou Kariolis, M.D.'s NPI number?
Ioannis Petrou Kariolis, M.D.'s National Provider Identifier (NPI) is 1518129501, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ioannis Petrou Kariolis, M.D. located?
The NPPES record lists a practice address at 1 Healthy Way, Oceanside, NY, 11572. Phone: (516) 632-3666. Providers update this record themselves, so call before visiting.
How can I verify Ioannis Petrou Kariolis, M.D.'s license?
NPPES lists New York license number 258169, as entered by the provider. 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 Ioannis Petrou Kariolis, M.D. prescribe under Medicare Part D?
In 2024, Ioannis Petrou Kariolis, M.D. had 290 Medicare Part D claims for 91 beneficiaries; the average among hospitalist physician prescribers was 521. 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.