Simon Hsu

  • Seattle, WA
  • Nephrologist
NPI1033538095PAC ID6103194535
Medicare services, 2024
151
Medicare patients, 2024
77
Part D claims, 2024
89
MIPS score, 2024
94
Hospital affiliations
2
Practice address
1959 NE Pacific St Box 356151, Seattle, WA 98195
Practice phone
Call (206) 598-3300
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

UW Medical Center - Montlake

Hospital · Seattle, Washington

See all 5 affiliations

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Simon Hsu is a nephrologist in Seattle, Washington

Simon Hsu practices at UW Medical Center - Montlake in Seattle, Washington, part of University of Washington.

Simon Hsu's NPI, 1033538095, was assigned on April 7, 2014. Simon Hsu holds Washington license MD60843180.

NPI and contact details
Medicare PAC ID
6103194535
NPI enumeration date
April 7, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(206) 598-3300
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Simon Hsu practices at UW Medical Center - Montlake in Seattle, Washington

Simon Hsu's primary practice is UW Medical Center - Montlake, at 1959 NE Pacific St Box 356151, Seattle, WA 98195 in King County. The practice phone is (206) 598-3300.

Source: Dmand AI Affiliation Data

Simon Hsu is affiliated with 3 sites of care and 2 medical groups

Simon Hsu's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. The medical group on file is UW Physicians. Dmand AI also links Simon Hsu to 1 more hospital, 1 hospital outpatient department and 1 medical group, each named with a free account.

See all 5 affiliations for Simon Hsu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Simon Hsu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Simon Hsu practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UW Medical Center - MontlakeAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Simon Hsu is one of 225 nephrologists in Washington

Nephrology is Simon Hsu's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Simon Hsu is licensed in Washington.

Specialties and state licenses

  • Nephrology, WashingtonPrimaryLicense MD60843180 · taxonomy 207RN0300X

Nephrologists near Simon Hsu

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Simon Hsu billed Medicare for 151 services in 2024

CMS data shows 151 Medicare services from Simon Hsu across 5 procedure codes in 2024, for 77 Medicare patients. Medicare paid $11,693 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024151
Medicare patients77
Paid by Medicare$11,693
Procedure codes5

Simon Hsu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 632024: 10363%
Tests and treatments
2023: 02024: 35
Other services
2023: 02024: 13

Simon Hsu compared with the Washington median for nephrologists, 2024

  • Simon Hsu
  • Washington median
Medicare services
151vs 70379% below
Medicare patients
77vs 21063% below
Part D claims
52vs 67692% below

Medians across 217 nephrologists in Washington with Dmand AI profiles that report each measure.

Simon Hsu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Simon Hsu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Simon Hsu treated 77 Medicare patients in 2024, average age 65

CMS counts 77 Medicare patients who saw Simon Hsu in 2024. The largest group is under 65, with 29 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 38% are also on Medicaid. Their average risk score is 5.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Simon Hsu's median patient age at 57, with 49% women.

Medicare patients, 202477
Average age65
Average risk score5.86
Also on Medicaid38%

Simon Hsu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Simon Hsu's Medicare patients by sex, 2024

  • Women2836%
  • Men4964%

Chronic conditions among Simon Hsu's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol58%
  4. Heart failure56%
  5. Arthritis43%
  6. Ischemic heart disease43%
  7. Diabetes42%
  8. Mood disorders40%

Share of Medicare patients with each condition. A patient can have several.

Simon Hsu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women49%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Simon Hsu wrote 89 Medicare Part D claims in 2024

In 2024, Simon Hsu wrote 89 Medicare Part D claims for 11 patients. 98% of them were for generic drugs. CMS names the drug for 52 of them, across 4 drugs with 11 or more claims each, at $919 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

Part D claims, 202489
Drugs named by CMS4
Total drug cost$919
Part D patients11

Simon Hsu's Part D claims by kind of drug, 2024

  • Generic87 claims98%
  • Brand-name and other2 claims2%

Simon Hsu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 142024: 52271%

Drugs named by CMS: 4 in 2024, 1 in 2023.

See all prescribing by Simon Hsu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Simon Hsu scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Simon Hsu for performance year 2024, reported through an alternative payment model (APM). Simon Hsu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Simon Hsu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Simon Hsu's MIPS scores, performance year 2024

  • 94of 100Final score
  • 74.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Simon Hsu received $82 in industry payments in 2020

CMS Open Payments shows 1 general payment to Simon Hsu from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $82.

Companies that paid Simon Hsu the most, 2020 to 2020

Share is of all general payments to this clinician.

See all payments to Simon Hsu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Simon Hsu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Simon Hsu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Simon Hsu's NPI number?

Simon Hsu's NPI number is 1033538095. It was assigned on April 7, 2014, and it is active in the NPI Registry.

What does Simon Hsu specialize in?

Simon Hsu is a nephrologist in Seattle, Washington. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Simon Hsu practice?

Simon Hsu practices at 1959 NE Pacific St Box 356151, Seattle, WA 98195. Simon Hsu's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. Dmand AI also links Simon Hsu to 1 hospital, 1 hospital outpatient department and 1 medical group.

What is Simon Hsu's office phone number?

The practice phone on file for Simon Hsu is (206) 598-3300.

What is Simon Hsu's medical license number?

Simon Hsu holds Washington license MD60843180.

Which hospitals is Simon Hsu affiliated with?

Simon Hsu practices at UW Medical Center - Montlake in Seattle, Washington. Dmand AI links Simon Hsu to 1 more hospital.

What medical group is Simon Hsu part of?

Simon Hsu is linked to UW Physicians. Dmand AI links Simon Hsu to 1 more medical group.

Does Simon Hsu accept Medicare?

Yes. CMS data shows Simon Hsu billed Medicare for 151 services in 2024, and Simon Hsu accepts Medicare assignment.

Does Simon Hsu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Simon Hsu as offering telehealth services.

What is Simon Hsu's MIPS score?

Simon Hsu's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

Show 5 more questionsShow fewer questions

How many Medicare patients does Simon Hsu see?

CMS counts 77 Medicare patients who saw Simon Hsu in 2024, with an average age of 65.

What services does Simon Hsu bill to Medicare?

In 2024, Simon Hsu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and dialysis (90935).

What drugs does Simon Hsu prescribe most?

In 2024 Medicare Part D data, Simon Hsu's most prescribed drugs by claims were Lidocaine-Prilocaine, Carvedilol and Torsemide.

Has Simon Hsu received payments from drug or device companies?

CMS Open Payments shows $82 in general payments to Simon Hsu from 1 company from 2020 to 2020. The largest total came from Relypsa, Inc.

How long has Simon Hsu been practicing?

Simon Hsu graduated from medical school in 2014, 12 years ago.

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