NPPES file of Aug 9, 2026

Frank William Hsu, M.D.

Hospitalist Physician · Pontiac, IL

Frank William Hsu, M.D. is a hospitalist physician with a practice address in Pontiac, Illinois, and NPI 1104069277, issued on Apr 19, 2009. Check the license (Illinois 036-133325, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1104069277
Name
Frank William Hsu
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
036-133325 IL
Self-reported in NPPES; status is on the state search
Practice location
2500 W Reynolds St, Pontiac, IL 61764
Phone
(815) 842-2828
Enumerated
Apr 19, 2009
Record last updated
Feb 24, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(815) 842-4912
Medicare enrollment
Enrolled (PECOS I20131204000514); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2009
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 2500 W Reynolds St

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

  1. Nabila AshrafHospice and Palliative Medicine (Internal Medicine) Physician1730676099
  2. Catherine BachtoldNurse Practitioner1376926832
  3. Erin BakerPhysical Therapist1154868685
  4. Haiven Baker, OTD; OTR/LOccupational Therapist1285500777
  5. Adair BartosikPhysical Therapist1982140497
  6. Brittany Bursott, APNFamily Nurse Practitioner1699325514

Verify Frank William Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-133325
    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 Illinois license search

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96% fewer Medicare Part D claims than the average hospitalist physician in 2024

20 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Frank Hsu20
  2. Specialty average521

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: $101.71

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Frank Hsu$101.71
  2. Specialty average$494.84

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

One hospital affiliation

  1. St Bernard HospitalChicago, IL · Acute Care Hospitals1 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hospitalist Physician providers in Illinois

There are 1,535 hospitalist physician records in Illinois.

Other hospitalist physician records in Illinois

  1. Hasan Abad, D.O.Chicago, IL1356872006
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Misha Abbasi, MDChicago, IL1770111635
  4. Hossam Abdel Aziz, MDWinfield, IL1114558145
  5. Eman Abdel-Latief, M.D.Evanston, IL1508229949
  6. Ashraf Abdeljaber, M.DNormal, IL1023472636
  7. Maysa Abdul Hussain, MDChicago, IL1245417070
  8. Shabreen Abdul Sharief, MDHuntley, IL1992025118
  9. Eyad Abdulrazzak, MDEvanston, IL1710592589
  10. Syed Abdur-Rahman, MDDekalb, IL1538658729

Common questions

What is Frank William Hsu, M.D.'s NPI number?

Frank William Hsu, M.D.'s National Provider Identifier (NPI) is 1104069277, issued on Apr 19, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Frank William Hsu, M.D. located?

The NPPES record lists a practice address at 2500 W Reynolds St, Pontiac, IL, 61764. Phone: (815) 842-2828. Providers update this record themselves, so call before visiting.

How can I verify Frank William Hsu, M.D.'s license?

NPPES lists Illinois license number 036-133325, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Frank William Hsu, M.D. prescribe under Medicare Part D?

In 2024, Frank William Hsu, M.D. had 20 Medicare Part D claims; the average among hospitalist physician prescribers was 521. 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.