Hariton Kousourou, M.D.
Internal Medicine Physician · Shoreham, NY
Hariton Kousourou, M.D. is an internal medicine physician with a practice address in Shoreham, New York, and NPI 1326133646, issued on Oct 3, 2006. Check the license (New York 156800, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Hariton Kousourou
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 156800 NY
Self-reported in NPPES; status is on the state search - Practice location
- 45 Route 25A, Shoreham, NY 11786
- Phone
- (631) 821-2626
- Enumerated
- Oct 3, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (631) 744-1627
- Medicaid ID
- 01026700 NY
- Medicare enrollment
- Enrolled (PECOS I20171011001064); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 45 Route 25A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Daleo, NPFamily Nurse Practitioner1508509035
- Assunta Divalentino, DOFamily Medicine Physician1730522210
- Barbara Fontana, PH.D.Clinical Psychologist1215039904
- Charles Hoeg, DMDDentist1033310834
- Eric Hoffmann, M.D.Internal Medicine Physician1720171820
- Jeffrey Kraushaar, O.D.Optometrist1700860269
Verify Hariton Kousourou 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 156800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.6 times the Medicare Part D claims of the average internal medicine physician in 2024
14,565 Medicare Part D claims for 699 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 982 claims were for opioids.
Most prescribed
- Atorvastatin Calcium838 claims
- Amlodipine Besylate505 claims
- Hydrocodone-Acetaminophen484 claims
- Levothyroxine Sodium483 claims
- Gabapentin405 claims
- Omeprazole376 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $597.99
32 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Bronson Lakeview HospitalPaw Paw, MI · Critical Access Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hariton Kousourou among 12,067 internal medicine physician records in New York
Hariton Kousourou, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1982 · median 2002 among the 7,221 with a school on file
- Record last updated2023 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Shoreham
They are 3 of the 135 NPPES records with a practice address in Shoreham, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Shoreham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eric Hoffmann, M.D.Shoreham, NY 117861720171820
- Richard Kubiak, MDShoreham, NY 117861326014556
- Michele Becker-Hamou, MDSmithtown, NY 117871700843067
- Deborah Blenner, M.D.Smithtown, NY 117871366497927
- Dara Brener, MDSmithtown, NY 117871750362695
- Paul Caiati, MDSmithtown, NY 117871063407898
- Joseph Calandrino, M.D.Smithtown, NY 117871962400796
- Vasilios Kalonaros, M.D.Smithtown, NY 117871376501296
Common questions
What is Hariton Kousourou, M.D.'s NPI number?
Hariton Kousourou, M.D.'s National Provider Identifier (NPI) is 1326133646, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hariton Kousourou, M.D. located?
The NPPES record lists a practice address at 45 Route 25A, Shoreham, NY, 11786. Phone: (631) 821-2626. Providers update this record themselves, so call before visiting.
How can I verify Hariton Kousourou, M.D.'s license?
NPPES lists New York license number 156800, 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 Hariton Kousourou, M.D. prescribe under Medicare Part D?
In 2024, Hariton Kousourou, M.D. had 14,565 Medicare Part D claims for 699 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Hariton Kousourou, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.9 of 100, reported for the practice group. 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.