NPPES file of Aug 9, 2026

Charles Chia-Chuen Hsu, M.D., PH.D.

Radiation Oncology Physician · Round Rock, TX

Charles Chia-Chuen Hsu, M.D., PH.D. is a radiation oncology physician with a practice address in Round Rock, Texas, and NPI 1033357991, issued on Jan 30, 2009. Check the license (Texas P6422, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033357991
Name
Charles Chia-Chuen Hsu
Credential
M.D., PH.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
P6422 TX
A110308 CA
Self-reported in NPPES; status is on the state search
Practice location
2410 Round Rock Ave Ste 150, Round Rock, TX 78681
Phone
(512) 341-8724
Enumerated
Jan 30, 2009
Record last updated
Aug 15, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid IDs
322134301 TX
322134302 TX
Medicare enrollment
Enrolled (PECOS I20150408002458); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2008
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 2410 Round Rock Ave Ste 150

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

  1. Rachel AbbottFamily Nurse Practitioner1588038442
  2. Michelle Ashworth, M.D.Hematology & Oncology Physician1477874477
  3. Jessica Bhatti, RN, MSN, ACNS-BCOncology Clinical Nurse Specialist1689926065
  4. Sophie Gerard, P.APhysician Assistant1043954415
  5. Beth Hellerstedt, M.D.Hematology & Oncology Physician1215975487
  6. Michael Herman, M.D.Radiation Oncology Physician1134419955

Verify Charles Chia-Chuen Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P6422
    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 Texas 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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2.1 times the Medicare Part D claims of the average radiation oncology physician in 2024

280 Medicare Part D claims for 71 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 46 claims were for opioids.

  1. Charles Hsu280
  2. Specialty average134

Most prescribed

  1. Gabapentin31 claims
  2. Oxycodone Hcl21 claims
  3. Dexamethasone20 claims
  4. Lidocaine Hcl Viscous20 claims
  5. Pentoxifylline19 claims
  6. Sucralfate19 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.7
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $81.96

1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Hsu$81.96
  2. Specialty average$1,897.85

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. Banner-University Medical GroupTucson, AZ

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

Charles Chia-Chuen Hsu among 449 radiation oncology physician records in Texas

Charles Chia-Chuen Hsu, M.D., PH.D. is one of 449 radiation oncology physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.

  • NPI issued2009 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2008 · median 2004 among the 348 with a school on file
  • Record last updated2014 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Texas

There are 449 radiation oncology physician records in Texas.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Karen Cohen, M.D.Round Rock, TX 786811902044787
  2. Michael Herman, M.D.Round Rock, TX 786811134419955
  3. David Jones, MDSan Marcos, TX 786661659353795
  4. Richard Lawson, MDSan Marcos, TX 786661659353902
  5. Prashant Gabani, M.D.Round Rock, TX 786651982099495
  6. Courtney Sheinbein, M.D.Round Rock, TX 786651558566992
  7. Teresa Boyle, MDAustin, TX 787021164482287
  8. Richard Garza, MDAustin, TX 787051477530350

Common questions

What is Charles Chia-Chuen Hsu, M.D., PH.D.'s NPI number?

Charles Chia-Chuen Hsu, M.D., PH.D.'s National Provider Identifier (NPI) is 1033357991, issued on Jan 30, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Charles Chia-Chuen Hsu, M.D., PH.D. located?

The NPPES record lists a practice address at 2410 Round Rock Ave Ste 150, Round Rock, TX, 78681. Phone: (512) 341-8724. Providers update this record themselves, so call before visiting.

How can I verify Charles Chia-Chuen Hsu, M.D., PH.D.'s license?

NPPES lists Texas license number P6422, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles Chia-Chuen Hsu, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Charles Chia-Chuen Hsu, M.D., PH.D. had 280 Medicare Part D claims for 71 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Charles Chia-Chuen Hsu, M.D., PH.D.'s MIPS final score?

The 2023 MIPS final score is 97.6 of 100. 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.