Registry data as of Aug 27, 2026

Kathleen Shadle, MD

Radiation Oncology Physician · Houston, TX

Kathleen Shadle, MD is a radiation oncology physician with a practice address in Houston, Texas, and NPI 1881686343, issued on Aug 19, 2005. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881686343
Name
Kathleen Shadle
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
Practice location
6565 Fannin St, Houston, TX 77030
Phone
(713) 441-4800
Enumerated
Aug 19, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6565 Fannin St

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

  1. Karen Abboud, PHARMDOncology Pharmacist1316794597
  2. Akraam Abdel-KeremPharmacist1720831092
  3. Aliya Abdulla, PHARMD, BCCCPCritical Care Pharmacist1750207312
  4. Safiyah AbdullahAcute Care Nurse Practitioner1497200851
  5. Selma AbdurrahmanStudent in an Organized Health Care Education/Training Program1659127090
  6. Catherine Achim, M.D.Ophthalmology Physician1114215738

Verify Kathleen Shadle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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.

45% fewer Medicare Part D claims than the average radiation oncology physician in 2024

74 Medicare Part D claims for 33 beneficiaries, against an average of 135 among the 4,225 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Kathleen Shadle74
  2. Specialty average135

Most prescribed

  1. Hydrocodone-Acetaminophen19 claims
  2. Amitriptyline Hcl11 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: $177.67

7 payments, mostly food and beverage; the largest payer was Tempus AI, Inc. The 2,851 providers of this specialty with any payment received $1,903.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathleen Shadle$177.67
  2. Specialty average$1,903.20

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

2 hospital and facility affiliations

  1. Houston Methodist Specialty PhysiciansHouston, TX
  2. Tmh Physician Associates PLLCHouston, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Radiation Oncology Physician providers in Texas

There are 392 radiation oncology physician records in Texas.

Other radiation oncology physician records in Texas

  1. Ramzi Abdulrahman, MDLubbock, TX1790718203
  2. Stephen Acker, M.D.Georgetown, TX1881784221
  3. Mediha Ahmad, M.D.Victoria, TX1124447255
  4. Neelofur Ahmad, M.D.Houston, TX1154320976
  5. Awad Ahmed, MDHarlingen, TX1851702831
  6. Robin Akins, M.D.San Antonio, TX1174691133
  7. Karine Al FeghaliHouston, TX1861999161
  8. Kevin Albuquerque, MDDallas, TX1457338329
  9. Mohammed Aldehaim, MD, FRCPCHouston, TX1306322979
  10. Maureen AliruKingwood, TX1184252553

Common questions

What is Kathleen Shadle, MD's NPI number?

Kathleen Shadle, MD's National Provider Identifier (NPI) is 1881686343, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Shadle, MD located?

The NPPES record lists a practice address at 6565 Fannin St, Houston, TX, 77030. Phone: (713) 441-4800. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Shadle, MD's license?

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 Kathleen Shadle, MD prescribe under Medicare Part D?

In 2024, Kathleen Shadle, MD had 74 Medicare Part D claims for 33 beneficiaries; the average among radiation oncology physician prescribers was 135. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.