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Psychiatry

Robert S. Castroll, MD

Sees patients in Smithtown, NY · New York

Summary

Robert S. Castroll, MD (Psychiatry) is enrolled with Medicare at 1 practice location in Smithtown, NY. NPI 1407929003. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Robert S. Castroll, 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

1Practice location
PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
46Years since medical school (graduated 1980)
University Of Kansas School Of Med (kc/wich/sal)Medical school
MaleGender (as listed)
North Shore Psychiatric Consultants PCGroup practice

Quick answers

Where does Robert S. Castroll see patients?
Medicare's clinician data lists 1 practice location in Smithtown, NY. Call before your visit to confirm the address.
What is Robert S. Castroll's specialty?
Medicare lists Psychiatry as the primary specialty, and also Addiction Medicine.
Does Robert S. Castroll accept Medicare assignment?
Yes. Medicare's clinician data says Robert S. Castroll 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.
Does Robert S. Castroll offer telehealth?
Medicare's clinician data says Robert S. Castroll offers telehealth services. Ask the office which visits can be done by video or phone.
What is Robert S. Castroll's NPI number?
1407929003. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Robert S. Castroll is enrolled with Medicare (CMS data updated 2026-10-02).

  • 222 E Middle Country Rd, Suite 210Smithtown, NY 11787

Group practices

Medicare enrollment lists Robert S. Castroll as a member of this group (CMS data updated 2026-10-02).

  • North Shore Psychiatric Consultants PC8 clinicians in the group

Specialties

Find other Psychiatry doctors in New York →

Other psychiatrists in Smithtown

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

All psychiatrists in Smithtown →

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year1980
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1407929003
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians