Susan Ordonio Tiu, M.D.
Internal Medicine Physician · Everett, WA
Susan Ordonio Tiu, M.D. is an internal medicine physician with a practice address in Everett, Washington, and NPI 1710148994, issued on Jun 20, 2008. Check the license (Washington MD60253710, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Susan Ordonio Tiu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD60253710 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4005 Hoyt Ave, Everett, WA 98201
- Phone
- (425) 339-5468
- Enumerated
- Jun 20, 2008
- Record last updated
- Mar 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (425) 259-1172
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 4005 Hoyt Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary LearyPhysician Assistant1639324288
- Frederick ManningInternal Medicine Physician1225100373
- Linda Whitesell, ARNPNurse Practitioner1710018866
Verify Susan Ordonio Tiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60253710Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,595 Medicare Part D claims for 104 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
- Levothyroxine Sodium117 claims
- Atorvastatin Calcium110 claims
- Gabapentin79 claims
- Metoprolol Succinate73 claims
- Pantoprazole Sodium64 claims
- Losartan Potassium58 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.
Susan Ordonio Tiu among 3,079 internal medicine physician records in Washington
Susan Ordonio Tiu, M.D. 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 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2013 · 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).
174 internal medicine physician records list a practice address in Everett
They are 174 of the 7,246 NPPES records with a practice address in Everett, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Everett → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Irene Altmann, MDEverett, WA 982011073588232
- Jennifer Battaglia, M.D.Everett, WA 982011235117367
- John Dilworth, MDEverett, WA 982011720042856
- Sheryl Dreyer, MDEverett, WA 982011144298043
- Shelly FinnEverett, WA 982011184688210
- Todd Gunderson, MDEverett, WA 982011669436176
- Michael Jenks, MDEverett, WA 982011477521185
- Tul Kalayanamit, MDEverett, WA 982011932171527
Common questions
What is Susan Ordonio Tiu, M.D.'s NPI number?
Susan Ordonio Tiu, M.D.'s National Provider Identifier (NPI) is 1710148994, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Susan Ordonio Tiu, M.D. located?
The NPPES record lists a practice address at 4005 Hoyt Ave, Everett, WA, 98201. Phone: (425) 339-5468. Providers update this record themselves, so call before visiting.
How can I verify Susan Ordonio Tiu, M.D.'s license?
NPPES lists Washington license number MD60253710, 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 Susan Ordonio Tiu, M.D. prescribe under Medicare Part D?
In 2024, Susan Ordonio Tiu, M.D. had 1,595 Medicare Part D claims for 104 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.