Physician Profile
Shiranee T. Abeysekera, M.D.
Unclaimed ProfileAbout Dr. Abeysekera
Based in South Setauket, NY, Shiranee T. Abeysekera, M.D. is listed in the NPI registry under psychiatry. Shiranee graduated from State University of New York at Stony Brook, School of Medicine in 1976. According to Medicare claims data, Shiranee cared for 50 Medicare patients across 464 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and psychotherapy with evaluation and management visit, 30 minutes. NPI 1427155480 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (631) 698-9504
- Email not available
Practice Locations
3771 NESCONSET HWY STE 211B
South Setauket, NY 11720
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- ADHD
- Anxiety
- Bipolar disorder
- Depression
- Schizophrenia
- Trauma
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
- Schizoaffective disorder
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
- Dementia with behavioral symptoms
- Prolonged grief disorder
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
- Borderline personality disorder
- Dissociative disorders
- Narcissistic personality disorder
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
- Suicide and safety risk assessment
Addiction care
Addiction Medicine
- Alcohol Detox and Withdrawal Management
- Dual Diagnosis Treatment
- Suboxone Treatment and MAT
Assessments
- Adult ADHD Testing
- Autism testing
- Cognitive Assessment
Brain stimulation
- Neurofeedback
- Vagus Nerve Stimulation
Consultations
- Psychiatric Second Opinion
Diagnostics
- Neuropsychological Testing
- Psychiatric Genetic Testing
Inpatient care
- Inpatient Psychiatric Care
Interventional psychiatry
- Spravato Treatment
Psychotherapy
- Anger Management Counseling
- Couples counseling
- EMDR Therapy
- Exposure and Response Prevention
Sleep Medicine
Specialized care
- Light Therapy
Therapy
Therapy and care
- Family therapy
- Group psychotherapy
- Supportive psychotherapy
Procedures Most Often Billed to Medicare
464 services · 50 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
232 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
232 | More often than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at State University of New York at Stony Brook, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 13 related providers in 2 groups
Class of 1976 at State University of New York at Stony Brook, School of Medicine 5
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Shiranee T. Abeysekera specialize in?
Shiranee T. Abeysekera is a psychiatrist in South Setauket, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Shiranee T. Abeysekera located?
Shiranee T. Abeysekera is listed at 3771 Nesconset Hwy Ste 211B, South Setauket, NY 11720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Shiranee T. Abeysekera's phone number?
The number on file is (631) 698-9504. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Shiranee T. Abeysekera's NPI number?
Shiranee T. Abeysekera's National Provider Identifier is 1427155480. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Shiranee T. Abeysekera train?
Shiranee T. Abeysekera attended State University of New York at Stony Brook, School of Medicine, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Shiranee T. Abeysekera been practicing?
Shiranee T. Abeysekera has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What does Shiranee T. Abeysekera do most often?
According to Medicare billing data, Shiranee T. Abeysekera provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Shiranee T. Abeysekera confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Shiranee T. Abeysekera. If this is you, claiming it is free.
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