Shiranee Abeysekera, M.D.
NPI 1427155480 · Psychiatry Physician · South Setauket, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shiranee Abeysekera, M.D. is a Psychiatry Physician provider in South Setauket, NY (NPI 1427155480).
Provider details
- NPI number
- 1427155480
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 213704 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
464 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 232 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 232 | $104 |
Typical Medicare-allowed amounts for these services range $79–$104 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lorazepam | 68 |
| Escitalopram Oxalate | 65 |
| Sertraline Hcl | 61 |
| Bupropion Hclbrand: Bupropion Xl | 53 |
| Buspirone Hcl | 36 |
| Lamotrigine | 34 |
| Mirtazapine | 25 |
| Bupropion Hcl | 23 |
| Quetiapine Fumarate | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2010-01-14
Frequently asked questions
- What is Shiranee Abeysekera's NPI number?
- Shiranee Abeysekera's National Provider Identifier (NPI) is 1427155480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shiranee Abeysekera's specialty?
- Shiranee Abeysekera is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Shiranee Abeysekera located?
- Shiranee Abeysekera's practice location on file with NPPES is 3771 Nesconset Hwy Ste 211b, South Setauket, NY 11720-1154.
- What is Shiranee Abeysekera's phone number?
- The practice phone number listed in the NPPES registry for Shiranee Abeysekera is (631) 698-9504.
- Does Shiranee Abeysekera accept Medicare?
- Shiranee Abeysekera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shiranee Abeysekera's NPI active?
- Yes — Shiranee Abeysekera's NPI (1427155480) is active in the NPPES registry as of the last update on 2010-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.