Tadd Hsie, MD
Family Medicine Physician · Issaquah, WA
Tadd Hsie, MD is a family medicine physician with a practice address in Issaquah, Washington, and NPI 1083895346, issued on Nov 15, 2007. Check the license (Washington MD00036502, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Tadd Hsie
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00036502 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1455 11TH Ave NW, Issaquah, WA 98027
- Phone
- (425) 391-3900
- Enumerated
- Nov 15, 2007
- Record last updated
- Aug 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 1083895346 WA
- Medicare enrollment
- Enrolled (PECOS I20111018000747); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 1455 11TH Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Seema Diddee, MDFamily Medicine Physician1144359209
- Amy Ly, ARNPFamily Nurse Practitioner1770954653
Verify Tadd Hsie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00036502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average family medicine physician in 2024
3,029 Medicare Part D claims for 274 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 107 claims were for opioids.
Most prescribed
- Amlodipine Besylate223 claims
- Atorvastatin Calcium204 claims
- Rosuvastatin Calcium188 claims
- Lisinopril150 claims
- Losartan Potassium137 claims
- Tamsulosin Hcl83 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Overlake Medical Clinics LLCBellevue, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tadd Hsie among 5,534 family medicine physician records in Washington
Tadd Hsie, MD is one of 5,534 family medicine physician records with a practice address in Washington. 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2009 among the 3,294 with a school on file
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 family medicine physician records list a practice address in Issaquah
They are 38 of the 1,727 NPPES records with a practice address in Issaquah, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Issaquah → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sandi AndersonIssaquah, WA 980271790864452
- Jerome Bushnell, MDIssaquah, WA 980271033149307
- Johnette Crawford, MDIssaquah, WA 980271780746560
- Reinier Dejong Vancoevorden, M.D.Issaquah, WA 980271760490692
- Maurice Doerfler, MDIssaquah, WA 980271659335255
- Leslie Garland, M.D.Issaquah, WA 980271497788004
- Benedict Garry, MDIssaquah, WA 980271710961834
- William Kirshner, MDIssaquah, WA 980271376567511
Common questions
What is Tadd Hsie, MD's NPI number?
Tadd Hsie, MD's National Provider Identifier (NPI) is 1083895346, issued on Nov 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tadd Hsie, MD located?
The NPPES record lists a practice address at 1455 11TH Ave NW, Issaquah, WA, 98027. Phone: (425) 391-3900. Providers update this record themselves, so call before visiting.
How can I verify Tadd Hsie, MD's license?
NPPES lists Washington license number MD00036502, 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 Tadd Hsie, MD prescribe under Medicare Part D?
In 2024, Tadd Hsie, MD had 3,029 Medicare Part D claims for 274 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Tadd Hsie, MD's MIPS final score?
The 2023 MIPS final score is 79.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.