Robert W. Corliss, M.D.
Internal Medicine Physician · Sumner, WA
Robert W. Corliss, M.D. is an internal medicine physician with a practice address in Sumner, Washington, and NPI 1407940331, issued on Oct 3, 2006. Check the license (Washington MD00032451, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Robert W. Corliss
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00032451 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5814 Graham Ave, Sumner, WA 98390
- Phone
- (253) 863-4474
- Enumerated
- Oct 3, 2006
- Record last updated
- Apr 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (253) 863-4062
- Medicaid ID
- 1094093 WA
- Entity
- Type 1 · individual
Also registered at 5814 Graham Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Biljan, M.D.Family Medicine Physician1013029222
- Fred Leitz, M.D.Family Medicine Physician1437261658
- Franklin Merritt, PT, OCS, CSCSPhysical Therapist1275733784
Verify Robert W. Corliss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00032451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,960 Medicare Part D claims for 401 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium212 claims
- Amlodipine Besylate180 claims
- Lisinopril159 claims
- Levothyroxine Sodium136 claims
- Metoprolol Succinate117 claims
- Losartan Potassium99 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.
Industry payments in 2024: $1,581.41
10 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 internal medicine physician records list a practice address in Sumner
They are 2 of the 153 NPPES records with a practice address in Sumner, and 3,079 internal medicine physician records in Washington.
All 2 in Sumner → All 3,079 in Washington → Every provider in Sumner →
Other internal medicine physician records in Washington
- Sheida Aalami, M.D.Seattle, WA1730573296
- Gloria AbacanProsser, WA1316040298
- Ahmad Abadullah, MDUniversity Place, WA1225005721
- Rebecca AbaySeattle, WA1528565520
- Naseer Abbas, MDTacoma, WA1962769380
- James Abbey, M.D.Anacortes, WA1447646039
- Joel Abbott, D.O.Tacoma, WA1477752723
- Paul Abdallah, MDSeattle, WA1639166119
- Abir Abdel-Kader, MDRichland, WA1649407081
- Hussein Abdille, MDSeattle, WA1588368831
Common questions
What is Robert W. Corliss, M.D.'s NPI number?
Robert W. Corliss, M.D.'s National Provider Identifier (NPI) is 1407940331, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Corliss, M.D. located?
The NPPES record lists a practice address at 5814 Graham Ave, Sumner, WA, 98390. Phone: (253) 863-4474. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Corliss, M.D.'s license?
NPPES lists Washington license number MD00032451, 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 Robert W. Corliss, M.D. prescribe under Medicare Part D?
In 2024, Robert W. Corliss, M.D. had 2,960 Medicare Part D claims for 401 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.