Gayan Srimal Gunasekara, D.O
Hospitalist Physician · Springfield, OR
Gayan Srimal Gunasekara, D.O is a hospitalist physician with a practice address in Springfield, Oregon, and NPI 1073957429, issued on Apr 28, 2013. Check the license (Oregon DO182011, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gayan Srimal Gunasekara
- Credential
- D.O
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- DO182011 OR
UO4790 FL
Self-reported in NPPES; status is on the state search - Practice location
- Peacehealth Hospital Medicine, Springfield, OR 97477
- Phone
- (541) 222-6389
- Enumerated
- Apr 28, 2013
- Record last updated
- Jul 21, 2023
- Fax
- (541) 222-6385
- Medicaid ID
- 500726257 OR
- Medicare enrollment
- Enrolled (PECOS I20170623000576); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 471 in Oregon → Look up another NPI →
Also registered at Peacehealth Hospital Medicine
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hazel Jane Abool, M.D.Hospitalist Physician1346538360
- Rajeev Alexander, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1497725808
- Nancy Austin, NURSE PRACTITIONERNurse Practitioner1194030080
- Anupa Baral, M.D.Hospitalist Physician1750545232
- Sarah Barry, CNS-BCClinical Nurse Specialist1346471034
- Michelle Birdseye, M.D.Hospitalist Physician1467422485
Verify Gayan Srimal Gunasekara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO182011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average hospitalist physician in 2024
466 Medicare Part D claims for 128 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Metoprolol Succinate25 claims
- Amlodipine Besylate21 claims
- Atorvastatin Calcium20 claims
- Eliquis20 claims
- Torsemide19 claims
- Pantoprazole Sodium16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- PeacehealthRoseburg, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gayan Srimal Gunasekara among 471 hospitalist physician records in Oregon
Gayan Srimal Gunasekara, D.O is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.
- NPI issued2013 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2013 · median 2009 among the 400 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 hospitalist physician records list a practice address in Springfield
They are 60 of the 2,209 NPPES records with a practice address in Springfield, and 471 hospitalist physician records in Oregon.
All 471 in Oregon → Every provider in Springfield → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Richard Barnhart, MDSpringfield, OR 974771861471054
- Michelle Birdseye, M.D.Springfield, OR 974771467422485
- Geetha Gangu, MDSpringfield, OR 974771235102138
- Peter Ganter, M.D.Springfield, OR 974771093792673
- Benjamin Huneycutt, M.D.Springfield, OR 974771023050549
- Anne Jacques, MDSpringfield, OR 974771740258748
- Michael Kraynyak, M.D.Springfield, OR 974771225005093
- Luis Leyton-Gonzalez, M.D.Springfield, OR 974771013911601
Common questions
What is Gayan Srimal Gunasekara, D.O's NPI number?
Gayan Srimal Gunasekara, D.O's National Provider Identifier (NPI) is 1073957429, issued on Apr 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Gayan Srimal Gunasekara, D.O located?
The NPPES record lists a practice address at Peacehealth Hospital Medicine, Springfield, OR, 97477. Phone: (541) 222-6389. Providers update this record themselves, so call before visiting.
How can I verify Gayan Srimal Gunasekara, D.O's license?
NPPES lists Oregon license number DO182011, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gayan Srimal Gunasekara, D.O prescribe under Medicare Part D?
In 2024, Gayan Srimal Gunasekara, D.O had 466 Medicare Part D claims for 128 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.