Keriake Semertzides, D.O.
Internal Medicine Physician · East Patchogue, NY
Keriake Semertzides, D.O. is an internal medicine physician with a practice address in East Patchogue, New York, and NPI 1992064513, issued on May 16, 2012. Check the license (New York 279138, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Keriake Semertzides
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 279138 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Hospital RD, East Patchogue, NY 11772
- Phone
- (631) 475-6900
- Enumerated
- May 16, 2012
- Record last updated
- Sep 6, 2022
- Medicare enrollment
- Enrolled (PECOS I20151020000764); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 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.
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- 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 Keriake Semertzides 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 279138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,754 Medicare Part D claims for 234 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium126 claims
- Atorvastatin Calcium110 claims
- Amlodipine Besylate73 claims
- Rosuvastatin Calcium65 claims
- Omeprazole64 claims
- Pantoprazole Sodium62 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): 84.5 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).
Bills Medicare through one group practice
- New York UniversityPatchogue, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keriake Semertzides among 12,067 internal medicine physician records in New York
Keriake Semertzides, D.O. 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 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2012 · median 2002 among the 7,221 with a school on file
- Record last updated2022 · 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).
12 internal medicine physician records list a practice address in East Patchogue
They are 12 of the 451 NPPES records with a practice address in East Patchogue, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in East Patchogue → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Pedro Baez, MDPatchogue, NY 117721841300191
- Rubina Boparai, MDPatchogue, NY 117721225116478
- Robert Chernaik, MDEast Patchogue, NY 117721336253616
- Julia Fahey, M.D.Patchogue, NY 117721730253378
- Fazal Faroqui, DOPatchogue, NY 117721154351823
- Mikhail Grzhibek, M.D.East Patchogue, NY 117721629033709
Common questions
What is Keriake Semertzides, D.O.'s NPI number?
Keriake Semertzides, D.O.'s National Provider Identifier (NPI) is 1992064513, issued on May 16, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Keriake Semertzides, D.O. located?
The NPPES record lists a practice address at 100 Hospital RD, East Patchogue, NY, 11772. Phone: (631) 475-6900. Providers update this record themselves, so call before visiting.
How can I verify Keriake Semertzides, D.O.'s license?
NPPES lists New York license number 279138, 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 Keriake Semertzides, D.O. prescribe under Medicare Part D?
In 2024, Keriake Semertzides, D.O. had 1,754 Medicare Part D claims for 234 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Keriake Semertzides, D.O.'s MIPS final score?
The 2023 MIPS final score is 84.5 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.