Nimali D. Mendis, M.D.
Rheumatology Physician · Seattle, WA
Nimali D. Mendis, M.D. is a rheumatology physician with a practice address in Seattle, Washington, and NPI 1952306979, issued on Jun 16, 2005. Check the license (Washington MD00036002, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Nimali D. Mendis
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD00036002 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 12TH Ave S, Seattle, WA 98144
- Phone
- (206) 326-2400
- Enumerated
- Jun 16, 2005
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 34579000 WI
- Medicare enrollment
- Enrolled (PECOS I20090818000848); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 200 in Washington → Look up another NPI →
Also registered at 1200 12TH Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Acheson, RDHDental Hygienist1457715419
- Salima Alibhai, RDHDental Hygienist1245694207
- Victoria Allen, MDInternal Medicine Physician1154319796
- Ryan Anderson, PH.DPsychologist1972962611
- Raman Arora, M.D.Psychiatry Physician1710140207
- Marty Babcock, ARNPPrimary Care Nurse Practitioner1003804055
Verify Nimali D. Mendis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00036002Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average rheumatology physician in 2024
725 Medicare Part D claims for 102 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Prednisone124 claims
- Methotrexate99 claims
- Hydroxychloroquine Sulfate59 claims
- Allopurinol43 claims
- Alendronate Sodium38 claims
- Folic Acid35 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
- Pacmed ClinicsSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nimali D. Mendis among 200 rheumatology physician records in Washington
Nimali D. Mendis, M.D. is one of 200 rheumatology physician records with a practice address in Washington. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1993 · median 2005 among the 123 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Washington
There are 200 rheumatology physician records in Washington.
All 200 in Washington → Every provider in Seattle → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Zhijie Zhou, MDBurien, WA 981481942442652
- Yong Zhu, MDBurien, WA 981481386755544
- Julie Carkin, MDSeattle, WA 981331083601579
- Cindy Megan Chiu, DOSeattle, WA 981331154853455
- Heather Kramm, M.D.Seattle, WA 981331770548158
- Yuli McCann, MDSeattle, WA 981331619169729
- Philip Moberg, M.D.Seattle, WA 981331972745230
- Sherwin Novin, MDSeattle, WA 981331396300380
Common questions
What is Nimali D. Mendis, M.D.'s NPI number?
Nimali D. Mendis, M.D.'s National Provider Identifier (NPI) is 1952306979, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nimali D. Mendis, M.D. located?
The NPPES record lists a practice address at 1200 12TH Ave S, Seattle, WA, 98144. Phone: (206) 326-2400. Providers update this record themselves, so call before visiting.
How can I verify Nimali D. Mendis, M.D.'s license?
NPPES lists Washington license number MD00036002, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nimali D. Mendis, M.D. prescribe under Medicare Part D?
In 2024, Nimali D. Mendis, M.D. had 725 Medicare Part D claims for 102 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.