Harry Sergiou, M.D.
Pediatrics Physician · Brooklyn, NY
Harry Sergiou, M.D. is a pediatrics physician with a practice address in Brooklyn, New York, and NPI 1801958962, issued on Dec 15, 2006. Check the license (New York 153814, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Harry Sergiou
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 153814 NY
Self-reported in NPPES; status is on the state search - Practice location
- 554 Henry St, Brooklyn, NY 11231
- Phone
- (718) 625-5591
- Enumerated
- Dec 15, 2006
- Entity
- Type 1 · individual
Also registered at 554 Henry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Romanelli, M.D.Internal Medicine Physician1245299908
Verify Harry Sergiou 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 153814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average pediatrics physician in 2024
26 Medicare Part D claims, against an average of 818 among the 8,211 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.
733 pediatrics physician records list a Brooklyn practice address
They are 733 of the 64,057 NPPES records with a Brooklyn practice address, and 6,032 pediatrics physician records in New York.
All 733 in Brooklyn → All 6,032 in New York → Every provider in Brooklyn →
Other pediatrics physician records in New York
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- Danielle Abadi, MDBrooklyn, NY1003298993
- Jacobo AbadiBronx, NY1710064001
- Thomas Abbamont, MDCamillus, NY1922199389
- Asim Abbasi, MDRochester, NY1336155456
- Hamza Abbasi, MDNiagara Falls, NY1083099501
- Gary Abberbock, MDBrooklyn, NY1114931789
- Michael Abbey-Mensah, M.DBrooklyn, NY1497853451
- Ann Marie Abbondante, M.D.Staten Island, NY1558334433
- Ashraf Abdelhemid, MDBrooklyn, NY1801453865
Common questions
What is Harry Sergiou, M.D.'s NPI number?
Harry Sergiou, M.D.'s National Provider Identifier (NPI) is 1801958962, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry Sergiou, M.D. located?
The NPPES record lists a practice address at 554 Henry St, Brooklyn, NY, 11231. Phone: (718) 625-5591. Providers update this record themselves, so call before visiting.
How can I verify Harry Sergiou, M.D.'s license?
NPPES lists New York license number 153814, 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 Harry Sergiou, M.D. prescribe under Medicare Part D?
In 2024, Harry Sergiou, M.D. had 26 Medicare Part D claims; the average among pediatrics physician prescribers was 818. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.