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Anesthesiology

Althea M. Hamilton, MD

Works at hospitals in Riverhead, NY · New York

Summary

Althea M. Hamilton, MD (Anesthesiology) is listed by Medicare at 1 hospital in Riverhead, NY. NPI 1508893991. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Althea M. Hamilton, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
Tufts University School Of MedicineMedical school
FemaleGender (as listed)
North Shore - Lij Anesthesiology, PCGroup practice

Quick answers

Which hospitals does Althea M. Hamilton work at?
Medicare's official clinician data lists Althea M. Hamilton at 1 hospital: Peconic Bay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Althea M. Hamilton see patients?
Medicare's clinician data lists 2 practice locations, including Riverhead, NY and Forest Hills, NY. Call before your visit to confirm the address.
What is Althea M. Hamilton's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Althea M. Hamilton accept Medicare assignment?
Yes. Medicare's clinician data says Althea M. Hamilton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Althea M. Hamilton?
(631) 548-6000, as listed in official Medicare / NPI Registry data.
What is Althea M. Hamilton's NPI number?
1508893991. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Althea M. Hamilton works

Medicare's Facility Affiliation Data lists Althea M. Hamilton at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Althea M. Hamilton is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Althea M. Hamilton as a member of this group (CMS data updated 2026-10-02).

  • North Shore - Lij Anesthesiology, PC1,003 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Riverhead

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

All anesthesiologists in Riverhead →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1985
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508893991
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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