Ruwan Lalinda Gamage Gamarallage, M.D.
Internal Medicine Physician · Raleigh, NC
Ruwan Lalinda Gamage Gamarallage, M.D. is an internal medicine physician with a practice address in Raleigh, North Carolina, and NPI 1568803526, issued on Jul 7, 2013. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ruwan Lalinda Gamage Gamarallage
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 256490 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Wake Forest RD, Raleigh, NC 27609
- Phone
- (919) 681-8263
- Enumerated
- Jul 7, 2013
- Record last updated
- Dec 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170130000881); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 3400 Wake Forest RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sofiyyah AbdulwahabRegistered Nurse1922958974
- Sanjay Adi, MDInternal Medicine Physician1326042284
- Nkechi Ajuonuma, DNPAcute Care Nurse Practitioner1407364607
- Rhiki AlegriaPhysician Assistant1841181286
- Justin Allen, D.O.Internal Medicine Physician1487034245
- Avery Andrews, MS, RD, LDNRegistered Dietitian1962295634
Verify Ruwan Lalinda Gamage Gamarallage in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
252 Medicare Part D claims for 88 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass12 claims
- Oxycodone Hcl12 claims
- Losartan Potassium11 claims
- Pantoprazole Sodium11 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
- Duke University Health System, IncRaleigh, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruwan Lalinda Gamage Gamarallage among 4,056 internal medicine physician records in North Carolina
Ruwan Lalinda Gamage Gamarallage, M.D. is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% 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 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2008 · median 2004 among the 2,706 with a school on file
- Record last updated2016 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
315 internal medicine physician records list a practice address in Raleigh
They are 315 of the 16,309 NPPES records with a practice address in Raleigh, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Raleigh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sanjay Adi, MDRaleigh, NC 276091326042284
- Isabella Bentsen, MDRaleigh, NC 276091326046145
- Aravind Boinapally, MDRaleigh, NC 276091063478634
- Benu Chatterjee, M.D.Raleigh, NC 276091700877099
- Laxmikant Chudasama, M.D.Raleigh, NC 276091528024528
- Tina Harris, MDRaleigh, NC 276091023049699
- Kenneth Holt, M.D.Raleigh, NC 276091356304588
- Michael Karam, M.D.Raleigh, NC 276091639145907
Common questions
What is Ruwan Lalinda Gamage Gamarallage, M.D.'s NPI number?
Ruwan Lalinda Gamage Gamarallage, M.D.'s National Provider Identifier (NPI) is 1568803526, issued on Jul 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ruwan Lalinda Gamage Gamarallage, M.D. located?
The NPPES record lists a practice address at 3400 Wake Forest RD, Raleigh, NC, 27609. Phone: (919) 681-8263. Providers update this record themselves, so call before visiting.
How can I verify Ruwan Lalinda Gamage Gamarallage, M.D.'s license?
Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruwan Lalinda Gamage Gamarallage, M.D. prescribe under Medicare Part D?
In 2024, Ruwan Lalinda Gamage Gamarallage, M.D. had 252 Medicare Part D claims for 88 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.