NPPES file of Aug 9, 2026

Yi Chang Hsieh

Urology Physician · Marshfield, WI

Yi Chang Hsieh is a urology physician with a practice address in Marshfield, Wisconsin, and NPI 1184628661, issued on Jun 13, 2005. Check the license (Wisconsin 15099, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184628661
Name
Yi Chang Hsieh
Primary taxonomy
Urology Physician 208800000X
License numbers
15099 WI
MD00043153 WA
Self-reported in NPPES; status is on the state search
Practice location
1000 N Oak Ave, Marshfield, WI 54449
Phone
(715) 387-5511
Enumerated
Jun 13, 2005
Record last updated
Jun 23, 2026
Medicaid ID
7125081 WA
Medicare enrollment
Enrolled (PECOS I20040505001730); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 N Oak Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sheetal Aatrai, MDInternal Medicine Physician1417568965
  2. Sukaina AbbasPediatrics Physician1407529191
  3. Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
  4. Ihab Abdalrahman, MDHospitalist Physician1497855134
  5. Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
  6. Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574

Verify Yi Chang Hsieh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 15099
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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12% fewer Medicare Part D claims than the average urology physician in 2024

1,182 Medicare Part D claims for 333 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 29 claims were for opioids.

  1. Yi Hsieh1,182
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl531 claims
  2. Alfuzosin Hcl Er88 claims
  3. Ciprofloxacin Hcl61 claims
  4. Finasteride50 claims
  5. Cefdinir43 claims
  6. Bicalutamide40 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: $1,993.75

66 payments; by number, the most common kind was food and beverage; the largest payer was Dendreon Pharmaceuticals LLC. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yi Hsieh$1,993.75
  2. Specialty average$3,800.04

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Surgical Associates Northwest PCFederal Way, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Urology Physician providers in Wisconsin

There are 259 urology physician records in Wisconsin.

Other urology physician records in Wisconsin

  1. Edwin Abel, M.D.Madison, WI1083800510
  2. Jose Agudelo Bodington, MDMadison, WI1497544654
  3. Bahareh Alavi-Dunn, MDGreen Bay, WI1447783501
  4. Gregory Anderson, MDMarshfield, WI1134234610
  5. Matthew Anderson, M.D.Oshkosh, WI1083674212
  6. Michelle Andrew, MDMenomonee Falls, WI1992793327
  7. William Annesley, MDWauwatosa, WI1407899552
  8. Ali Antar, M.D.Madison, WI1770010340
  9. Omar Atassi, M.D.Neenah, WI1154380046
  10. Jon Auger, MDWaukesha, WI1225071475

Common questions

What is Yi Chang Hsieh's NPI number?

Yi Chang Hsieh's National Provider Identifier (NPI) is 1184628661, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Yi Chang Hsieh located?

The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.

How can I verify Yi Chang Hsieh's license?

NPPES lists Wisconsin license number 15099, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yi Chang Hsieh prescribe under Medicare Part D?

In 2024, Yi Chang Hsieh had 1,182 Medicare Part D claims for 333 beneficiaries; the average among urology physician prescribers was 1,340. 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.