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Psychiatry

Syed K. Hussaini, MD

Sees patients in Port Jefferson, NY · New York

Summary

Dr. Syed K. Hussaini, MD is a psychiatrist at 125 Oakland Ave, Suite 303, Port Jefferson, NY 11777. Phone: (631) 729-2140. Accepts Medicare assignment. In 2024, Syed K. Hussaini had 104 Original Medicare patients and 522 services. NPI 1437316148. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 125 Oakland Ave, Suite 303, Port Jefferson, NY 11777 · Directions (1 more location)
  • Phone: (631) 729‑2140
  • Medicare: Accepts Medicare assignment
  • Group practice: John T Mather Memorial Hospital
  • Medical school: graduated 1994 (32 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Syed K. Hussaini, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Syed K. Hussaini accept Medicare assignment?
Yes. Medicare's clinician data says Syed K. Hussaini accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Syed K. Hussaini see?
In 2024, CMS data shows 104 Original Medicare patients and 522 services for Syed K. Hussaini. This counts Original Medicare only and measures volume, not quality.
What is Syed K. Hussaini's NPI number?
1437316148. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Syed K. Hussaini, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients104
Services billed to Medicare522
Different services or procedures6
Participating Medicare providerYes
Average age of these patients57

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)387 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)54 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)35 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)27 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol69%
  • Anxiety64%
  • Depression60%
  • High blood pressure55%
  • Arthritis38%
  • Diabetes27%

Practice locations

Addresses where Syed K. Hussaini is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Syed K. Hussaini as a member of this group (CMS data updated October 2, 2026).

  • John T Mather Memorial Hospital175 clinicians in the group

Specialties

Find other Psychiatry doctors in New York →

Other psychiatrists in Port Jefferson

Clinicians with the same Medicare primary specialty in Port Jefferson, NY — not a recommendation.

All psychiatrists in Port Jefferson →

Other clinicians in John T Mather Memorial Hospital

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1437316148
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians