Demetrius Moutsiakis, M.D., M.P.H.
General Practice Physician · Farmingville, NY
Demetrius Moutsiakis, M.D., M.P.H. is a general practice physician with a practice address in Farmingville, New York, and NPI 1861717860, issued on Apr 1, 2010. Check the license (New York 212315-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Demetrius Moutsiakis
- Credential
- M.D., M.P.H.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 212315-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 400 Horseblock RD, Farmingville, NY 11738
- Phone
- (631) 698-1552
- Enumerated
- Apr 1, 2010
- Record last updated
- Apr 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130926000420); may accept Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 681 in New York → Look up another NPI →
Also registered at 400 Horseblock RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paula Dagrosa-Manso, A.N.P.Nurse Practitioner1932330677
- Ingrid Gordon-PattersonAdult Health Nurse Practitioner1275765661
- Christopher O'Sullivan, L.M.T.Massage Therapist1831458421
- Kathlene Rahl, P.A.Medical Physician Assistant1639449739
- Danielle Ramos, ANPGeriatric Medicine (Internal Medicine) Physician1255882288
Verify Demetrius Moutsiakis 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 212315-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Saw Medical Services PCFarmingville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Demetrius Moutsiakis among 681 general practice physician records in New York
Demetrius Moutsiakis, M.D., M.P.H. is one of 681 general practice physician records with a practice address in New York. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 49% of them.
- NPI issued2010 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1997 · median 2002 among the 141 with a school on file
- Record last updated2010 · 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 208D00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in New York
There are 681 general practice physician records in New York.
All 681 in New York → Every provider in Farmingville → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Juan Lessmann, M.D.Huntington, NY 117431861647463
- Maria Cecilia MadariagaEast Setauket, NY 117331962081828
- Debra Blaine, MDEast Northport, NY 117311841358140
- Timoteo Zuno, MDEast Northport, NY 117311003304692
- Edward Bieniewicz, MDEast Islip, NY 117301750448031
- Jennifer Ganz, M.D.Dix Hills, NY 117461942687975
- Aaron Hochman-Zimmerman, MDDix Hills, NY 117461871236869
- William Romero, MDDix Hills, NY 117461508980426
Common questions
What is Demetrius Moutsiakis, M.D., M.P.H.'s NPI number?
Demetrius Moutsiakis, M.D., M.P.H.'s National Provider Identifier (NPI) is 1861717860, issued on Apr 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Demetrius Moutsiakis, M.D., M.P.H. located?
The NPPES record lists a practice address at 400 Horseblock RD, Farmingville, NY, 11738. Phone: (631) 698-1552. Providers update this record themselves, so call before visiting.
How can I verify Demetrius Moutsiakis, M.D., M.P.H.'s license?
NPPES lists New York license number 212315-1, 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.
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.