NPPES file of Aug 9, 2026

Timothy Wayne Dziuk, M.D.

Radiation Oncology Physician · San Antonio, TX

Timothy Wayne Dziuk, M.D. is a radiation oncology physician with a practice address in San Antonio, Texas, and NPI 1073551420, issued on Jun 4, 2006. Check the license (Texas H8017, 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
1073551420
Name
Timothy Wayne Dziuk
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
H8017 TX
Self-reported in NPPES; status is on the state search
Practice location
2130 NE Loop 410 Ste 100, San Antonio, TX 78217
Phone
(210) 656-7177
Enumerated
Jun 4, 2006
Record last updated
Apr 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(210) 656-3687
Medicaid IDs
136082812 TX
136082814 TX
136082813 TX
Medicare enrollment
Enrolled (PECOS I20050620000922); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1989
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 2130 NE Loop 410 Ste 100

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

  1. Krishna Alluri, MDHematology & Oncology Physician1992908347
  2. Rebecca Clinton, LCSWSocial Worker1003054891
  3. Ethan Dubravsky, PA-CMedical Physician Assistant1487186508
  4. Rachel Kaczynski, D.O.Surgical Oncology Physician1487942736
  5. Saranya Kodali, M.D.Hematology & Oncology Physician1669813630
  6. Regina Moreno, LCSWClinical Social Worker1174468409

Verify Timothy Wayne Dziuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H8017
    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

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25% fewer Medicare Part D claims than the average radiation oncology physician in 2024

100 Medicare Part D claims for 58 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Timothy Dziuk100
  2. Specialty average134

Most prescribed

  1. Dexamethasone12 claims
  2. Tamsulosin Hcl12 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): 89.4 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 score75.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $42.68

2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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. Timothy Dziuk$42.68
  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. Texas Oncology PASan Antonio, TX

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

Timothy Wayne Dziuk among 449 radiation oncology physician records in Texas

Timothy Wayne Dziuk, M.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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated1989 · median 2004 among the 348 with a school on file
  • Record last updated2016 · 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. Lawrence Sheplan Olsen, M.D.San Antonio, TX 782161922272111
  2. Suresh Dutta, M.D.San Antonio, TX 782131992769137
  3. Ardow Ameduri, M.D.San Antonio, TX 782291861412348
  4. Mark Bonnen, M.D.San Antonio, TX 782291215962287
  5. Keith Eyre, M.D.San Antonio, TX 782291841223351
  6. Mohamad Fakhreddine, M.D.San Antonio, TX 782291790128783
  7. Chul Ha, M.D.San Antonio, TX 782291891894705
  8. William Jones, MDSan Antonio, TX 782291952583148

Common questions

What is Timothy Wayne Dziuk, M.D.'s NPI number?

Timothy Wayne Dziuk, M.D.'s National Provider Identifier (NPI) is 1073551420, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Wayne Dziuk, M.D. located?

The NPPES record lists a practice address at 2130 NE Loop 410 Ste 100, San Antonio, TX, 78217. Phone: (210) 656-7177. Providers update this record themselves, so call before visiting.

How can I verify Timothy Wayne Dziuk, M.D.'s license?

NPPES lists Texas license number H8017, 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 Timothy Wayne Dziuk, M.D. prescribe under Medicare Part D?

In 2024, Timothy Wayne Dziuk, M.D. had 100 Medicare Part D claims for 58 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Timothy Wayne Dziuk, M.D.'s MIPS final score?

The 2023 MIPS final score is 89.4 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.