Melvin Tan, DO
Internal Medicine Physician · Tacoma, WA
Melvin Tan, DO is an internal medicine physician with a practice address in Tacoma, Washington, and NPI 1518710300, issued on Apr 10, 2024. Check the license (Washington OL61549138, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Melvin Tan
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OL61549138 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1717 S J St, Tacoma, WA 98405
- Phone
- (253) 426-4101
- Enumerated
- Apr 10, 2024
- Record last updated
- Apr 10, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1717 S J St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Aquino, M.D.Internal Medicine Physician1184746067
- Freddy AragonStudent in an Organized Health Care Education/Training Program1447617626
- Patti Aramburu, ARNPFamily Nurse Practitioner1952497356
Verify Melvin Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OL61549138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
113 Medicare Part D claims for 32 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of 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: $16.71
1 payment: food and beverage; the largest payer was Indivior 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.
Melvin Tan among 3,079 internal medicine physician records in Washington
Melvin Tan, DO is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 97% of them.
- NPI issued2024 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2024 · 63% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
262 internal medicine physician records list a practice address in Tacoma
They are 262 of the 13,715 NPPES records with a practice address in Tacoma, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Tacoma → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Bradford, MDTacoma, WA 984051285695379
- William Brand, MDTacoma, WA 984051093744716
- James Buttitta, MDTacoma, WA 984051376572214
- Imelda De Villa, M.D.Tacoma, WA 984051457399370
- Ellen Hardin, MDTacoma, WA 984051730112921
- Reid Holtzclaw-Swan, MDTacoma, WA 984051992782288
- Jeffrey Hooper, D.O.Tacoma, WA 984051083653539
- William Lee, MDTacoma, WA 984051285626325
Common questions
What is Melvin Tan, DO's NPI number?
Melvin Tan, DO's National Provider Identifier (NPI) is 1518710300, issued on Apr 10, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Melvin Tan, DO located?
The NPPES record lists a practice address at 1717 S J St, Tacoma, WA, 98405. Phone: (253) 426-4101. Providers update this record themselves, so call before visiting.
How can I verify Melvin Tan, DO's license?
NPPES lists Washington license number OL61549138, 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 Melvin Tan, DO prescribe under Medicare Part D?
In 2024, Melvin Tan, DO had 113 Medicare Part D claims for 32 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.