DR. GAYAN SRIMAL GUNASEKARA (D.O) – Hospitalist Physician, NPI 1073957429
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12,378 INTERNAL MEDICINE in FL
Provider Addresses for DR. GAYAN SRIMAL GUNASEKARA (D.O)
201 14th St SW
Largo, FL 337703133
Phone: (727) 588-5704
Type: Location
3377 RIVERBEND DR
SPRINGFIELD, OR 974778803
Phone: (541) 222-6391
Type: Mailing
PEACEHEALTH HOSPITAL MEDICINE
3377 RIVERBEND DRIVE
SPRINGFIELD, OR 974778803
Phone: (541) 222-6389
Fax: (541) 222-6385
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2017-06-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20170623000576 | I | Internal Medicine | OR | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 229 | 106 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 67 | 67 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 48 | 39 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 26 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 33770)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | MT | |
| Internal Medicine | OR | |
| Internal Medicine | OR | |
| Hospitalist, Family Practice, Family Practice | CO | |
| Psychiatry, Neurology | NH | |
| - | NY | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | OR | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CA | |
| Internal Medicine | OR | |
| Vascular Surgery, General Surgery | CO |
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