DR. KATHLEEN SHADLE MD
NPI 1881686343
Radiology - Radiation Oncology in Houston, TX

Q: What is Kathleen Shadle's NPI number?

The NPI number for Kathleen Shadle is 1881686343. It was assigned to this individual provider in the NPPES registry on August 19, 2005.

Q: What is Kathleen Shadle's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Kathleen Shadle was last updated on July 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 19, 2005PECOS EnrolledAccepts Medicare Assignment

6565 FANNIN ST, SUITE AX121B, HOUSTON, TX 77030(713) 441-4800(713) 793-1300 Get Directions Write a Review

NPPES record last updated: July 8, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Kathleen Shadle Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHLEEN SHADLE MD (NPI 1881686343) is an individual radiation oncology provider in Houston, Texas, licensed in Texas (J1038) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Sugarland Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1881686343

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameDR. KATHLEEN SHADLECredential: MD

Location Address6565 FANNIN ST, SUITE AX121BHouston, TX 77030-2703

Mailing Address6565 Fannin St, Suite Ax121bHouston, TX 77030-2703 · (713) 441-4800 · Fax (713) 793-1300

Phone(713) 441-4800

Fax(713) 793-1300

Sole ProprietorNo

Medical School CMSOtherGraduated 1988

Enumeration DateAugust 19, 2005

Last NPPES UpdateJuly 8, 2016

✔ NPI 1881686343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in TX · J1038

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

6565 FANNIN ST, Houston, TX 77030

Open in Google Maps ↗

Other Identifiers 16

Medicare UPINE86974TX

Medicaid129641009TX

Medicaid129641007TX

Other8FU326TX · Blue Cross Blue Shield

Other760171320TX · Tin

Medicare PIN483950ZSVETX

Other85471RTX · Blue Cross

Other129641008TX · Medicaid Cshcn

Medicare PIN483950ZSWDTX

Other8BN489TX · Blue Cross Blue Shield

Medicaid129641010TX

Medicare PIN8L6294TX

OtherP00747796TX · Rr Medicare

Medicare PIN8L13486TX

Medicaid129641001TX

Medicaid129641006TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Community Health Choice, WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kathleen Shadle Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688738420

PECOS Enrollment IDI20090122000772

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Kathleen Shadle reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tmh Physician Associates PLLC

0.2 mi

Ophthalmology

6550 FANNIN ST, SUITE 447
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,407 clinicians in this Medicare group

NPI 1275779225 (713) 441-7389

Houston Methodist Specialty Physicians

0.8 mi

Otolaryngology

7550 GREENBRIAR DR STE 600
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
1,579 clinicians in this Medicare group

NPI 1902614332 (281) 414-6055

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

642 services84 patients

Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment G6017

In radiation therapy, intra-fraction localization and tracking monitor patient or target movement during treatment. This ensures that radiation is accurately delivered to the correct area. Techniques like 3D positional tracking, gating, and 3D surface tracking are used to enhance precision.

318 services37 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

176 services58 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

164 services52 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

137 services53 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

115 services35 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

63 services63 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

55 services54 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

55 services51 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

38 services32 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

36 services31 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

30 services24 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

29 services28 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

25 services24 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

19 services19 patients

Complex radiation therapy planning for delivery of external radiation 77307

Complex radiation therapy planning involves creating a detailed plan to deliver targeted radiation doses. The process includes imaging scans to identify the area needing treatment, and designing a specific radiation plan to protect healthy tissue while effectively treating the disease.

13 services13 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450820

Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County

Emergency services Birthing friendly

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450844

Location18220 State Highway 249Houston, TX 77070 · Harris County

Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670077

Location18500 Katy FreewayHouston, TX 77094 · Harris County

Emergency services Birthing friendly

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670122

Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$176.98 typical visit price

range $58.24 – $176.98

Typical copayment $44.24 (range $14.56 – $44.24)

Most-billed visit code 99205

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SMAROULA DILIOGLOU PHD

Specialist/Technologist, Pathology

6565 FANNIN ST, MS205
HOUSTON, TX 77030

Harris County (713) 394-6450

MS. PRISCILLA DIAZ RN

Registered Nurse

6565 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 441-2030

HOUSTON METHODIST CARDIOVASCULAR ANESTHESIA

Anesthesiology

6565 FANNIN ST
HOUSTON, TX 77030

Harris County (832) 667-6097

LAN ZHOU MD

Pathology (Anatomic Pathology & Clinical Pathology)

6565 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 394-6450

DR. AMANDA WALTON BASFORD M.D.

Internal Medicine (Nephrology)

6565 FANNIN ST, FONDREN 270
HOUSTON, TX 77030

Harris County (713) 441-0006

MRS. AMY REYES MICLAT RN, MS, CCRN, APRN-B

Nurse Practitioner (Acute Care)

6565 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 441-4999

DR. MAHEEN ADAM WARDAK MD

Anesthesiology

6565 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 441-2194

DR. SHUANG LI M.D.

Hospitalist

6565 FANNIN ST
HOUSTON, TX 77030

Harris County (832) 368-9466

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathleen Shadle's NPI number?

The NPI number for Kathleen Shadle is 1881686343. It was assigned to this individual provider in the NPPES registry on August 19, 2005.

Where is Kathleen Shadle located?

Kathleen Shadle practices at 6565 Fannin St Suite Ax121b, Houston, TX 77030. The listed phone number is (713) 441-4800.

What is Kathleen Shadle's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Kathleen Shadle enrolled in Medicare?

Yes. Kathleen Shadle is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kathleen Shadle's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Shadle reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathleen Shadle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kathleen Shadle accept?

Health plans from Antidote Health of TX, Community Health Choice and WellPoint list Kathleen Shadle as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kathleen Shadle affiliated with any hospitals?

According to CMS data, Kathleen Shadle is affiliated with Houston Methodist Sugarland Hospital, Houston Methodist Willowbrook Hospital, Houston Methodist West Hospital and Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Kathleen Shadle was last updated on July 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.