Shevyll Arvie Siong Tan, M.D.
Internal Medicine Physician · Gresham, OR
Shevyll Arvie Siong Tan, M.D. is an internal medicine physician with a practice address in Gresham, Oregon, and NPI 1376720052, issued on Jan 24, 2008. Check the license (Oregon MD186467, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Shevyll Arvie Siong Tan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD186467 OR
50459 MN
Self-reported in NPPES; status is on the state search - Practice location
- 24988 Stark. St., Legacy Medical Group Mount Hood, Gresham, OR 97030
- Phone
- (952) 583-4791
- Enumerated
- Jan 24, 2008
- Record last updated
- Sep 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180804000151); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Verify Shevyll Arvie Siong Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD186467Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average internal medicine physician in 2024
3,585 Medicare Part D claims for 498 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium226 claims
- Rosuvastatin Calcium136 claims
- Amlodipine Besylate120 claims
- Lisinopril106 claims
- Losartan Potassium104 claims
- Levothyroxine Sodium88 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
- The Vancouver Clinic Inc PSHappy Valley, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shevyll Arvie Siong Tan among 2,116 internal medicine physician records in Oregon
Shevyll Arvie Siong Tan, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2008 among the 1,232 with a school on file
- Record last updated2018 · 58% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 internal medicine physician records list a practice address in Gresham
They are 37 of the 1,934 NPPES records with a practice address in Gresham, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Gresham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Acton, MDGresham, OR 970301861452765
- Deborah Alexander, MDGresham, OR 970301255369559
- Robert Bailey, MDGresham, OR 970301346288123
- Robert Bergstrom, MDGresham, OR 970301982660700
- Amy Chaumeton, M.D.Gresham, OR 970301033183918
- John Custis, MDGresham, OR 970301770561813
- Sunita Deshmukh, MDGresham, OR 970301730133679
- Kathryn Huyssoon, MDGresham, OR 970301023000387
Common questions
What is Shevyll Arvie Siong Tan, M.D.'s NPI number?
Shevyll Arvie Siong Tan, M.D.'s National Provider Identifier (NPI) is 1376720052, issued on Jan 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Shevyll Arvie Siong Tan, M.D. located?
The NPPES record lists a practice address at 24988 Stark. St., Legacy Medical Group Mount Hood, Gresham, OR, 97030. Phone: (952) 583-4791. Providers update this record themselves, so call before visiting.
How can I verify Shevyll Arvie Siong Tan, M.D.'s license?
NPPES lists Oregon license number MD186467, 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 Shevyll Arvie Siong Tan, M.D. prescribe under Medicare Part D?
In 2024, Shevyll Arvie Siong Tan, M.D. had 3,585 Medicare Part D claims for 498 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.