NPPES file of Aug 9, 2026

Joseph Gerard Kaczor, MD

Radiation Oncology Physician · Odessa, TX

Joseph Gerard Kaczor, MD is a radiation oncology physician with a practice address in Odessa, Texas, and NPI 1366485252, issued on Jun 14, 2006. Check the license (Texas J4872, 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
1366485252
Name
Joseph Gerard Kaczor
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
J4872 TX
Self-reported in NPPES; status is on the state search
Practice location
301 N Washington Ave, Odessa, TX 79761
Phone
(432) 335-8275
Enumerated
Jun 14, 2006
Record last updated
Jul 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(432) 334-0687
Medicaid IDs
124516904 TX
000J3215 NM
124516905 TX
124516903 TX
Medicare enrollment
Enrolled (PECOS I20050908001119); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1983
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 301 N Washington Ave

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

  1. Renuka Borra, M.D.Hematology & Oncology Physician1386686558
  2. Steven Farren, R.PH.Pharmacist1235278987
  3. Timothy George, M.D.Medical Oncology Physician1083656078
  4. Pankaj Khandelwal, MDMedical Oncology Physician1114964756

Verify Joseph Gerard Kaczor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J4872
    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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4.6 times the Medicare Part D claims of the average radiation oncology physician in 2024

611 Medicare Part D claims for 179 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 62 claims were for opioids.

  1. Joseph Kaczor611
  2. Specialty average134

Most prescribed

  1. Bicalutamide127 claims
  2. Levothyroxine Sodium126 claims
  3. Tamsulosin Hcl68 claims
  4. Hydrocodone-Acetaminophen49 claims
  5. Ondansetron Hcl24 claims
  6. Venlafaxine Hcl Er18 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).

Bills Medicare through one group practice

  1. Texas Oncology PAJacksonville, TX

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

Joseph Gerard Kaczor among 449 radiation oncology physician records in Texas

Joseph Gerard Kaczor, MD 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
  • Graduated1983 · 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. Thinh Phan, MDMidland, TX 797011609808864
  2. Anuradha Gupta, M.D.El Paso, TX 799021811939721
  3. Ira Horowitz, M.D.El Paso, TX 799021487696498
  4. Samuel Cottam, MDEl Paso, TX 799051538052774
  5. Jameson Mendel, MDEl Paso, TX 799121679952915
  6. Stephanie Han, MDEl Paso, TX 799151538169388
  7. Lute Oas, M.D.Abilene, TX 796061013977420
  8. Stephen Sorgen, MDAbilene, TX 796061215979448

Common questions

What is Joseph Gerard Kaczor, MD's NPI number?

Joseph Gerard Kaczor, MD's National Provider Identifier (NPI) is 1366485252, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Gerard Kaczor, MD located?

The NPPES record lists a practice address at 301 N Washington Ave, Odessa, TX, 79761. Phone: (432) 335-8275. Providers update this record themselves, so call before visiting.

How can I verify Joseph Gerard Kaczor, MD's license?

NPPES lists Texas license number J4872, 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 Joseph Gerard Kaczor, MD prescribe under Medicare Part D?

In 2024, Joseph Gerard Kaczor, MD had 611 Medicare Part D claims for 179 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Joseph Gerard Kaczor, MD'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.