DR. SASHI M DAYARATNA (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1144725136
Geriatric Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
18,056 INTERNAL MEDICINE in NY
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Provider Addresses for DR. SASHI M DAYARATNA (MD)
3, Princess Tree Court, Port Jefferson, Suffolk County, New York, 11777, United States
PORT JEFFERSON, NY 117771742
Phone: (609) 651-7964
Type: Mailing
John T. Mather Memorial Hospital, 75, North Country Road, Port Jefferson, Suffolk County, New York, 11777, United States
PORT JEFFERSON, NY 117772119
Phone: (631) 686-2517
Type: Location
2700 PROSPERITY AVE STE 270
FAIRFAX, VA 220314321
Phone: (703) 698-2431
Fax: (571) 665-6878
Type: Location
PO BOX 37174
BALTIMORE, MD 212973174
Phone: (571) 423-5699
Fax: (571) 423-5698
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $122.
Total Amount is formed as General ($122) + Research ($0) + Ownership ($0) = $122.
Last reported payment date: 2023-09-21 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($122).
Total Amount
$122
General + Research + Ownership
Payments
1
Total payment records
General Amount
$122
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $122 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-06-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20221116002365 | I | Geriatric Medicine | DC | TBD |
| I20250603004446 | I | Internal Medicine | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99349 | Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 413 | 118 | $0 |
| 99350 | Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 163 | 83 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 57 | 57 | $0 |
| G0008 | Administration of influenza virus vaccine | 43 | 42 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 43 | 42 | $0 |
Insurance plans in this area (ZIP 11777)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA | |
| Nurse Practitioner | DC | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | VA | |
| Internal Medicine, Osteopathic Manipulative Medicine | VA | |
| - | MN | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA |
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