NPPES file of Aug 9, 2026

Wendy L. Mahone-Johnson, MD

Medical Oncology Physician · Plano, TX

Wendy L. Mahone-Johnson, MD is a medical oncology physician with a practice address in Plano, Texas, and NPI 1386828325, issued on Dec 27, 2007. Check the license (Texas N8198, 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
1386828325
Name
Wendy L. Mahone-Johnson
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
N8198 TX
065562 GA
Self-reported in NPPES; status is on the state search
Practice location
6957 W Plano Pkwy Ste 2000, Plano, TX 75093
Phone
(214) 483-6933
Enumerated
Dec 27, 2007
Record last updated
May 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(214) 483-6648
Medicaid IDs
350775804 TX
350775803 TX
Medicare enrollment
Enrolled (PECOS I20150904000592); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1997
Telehealth
Offers telehealth (CMS)
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 6957 W Plano Pkwy Ste 2000

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

  1. Joe Cutrer, NPFamily Nurse Practitioner1750311205
  2. Arlene Garcia-Soto, MDGynecologic Oncology Physician1053579490
  3. Ruben Saez, MDHematology & Oncology Physician1740251933
  4. Roberta StephensonFamily Nurse Practitioner1669915427

Verify Wendy L. Mahone-Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N8198
    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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63% more Medicare Part D claims than the average medical oncology physician in 2024

1,144 Medicare Part D claims for 164 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 24 claims were for opioids.

  1. Wendy Mahone-Johnson1,144
  2. Specialty average703

Most prescribed

  1. Eliquis97 claims
  2. Anastrozole96 claims
  3. Letrozole65 claims
  4. Xarelto53 claims
  5. Gabapentin51 claims
  6. Tamoxifen Citrate49 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: $1,770.39

83 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wendy Mahone-Johnson$1,770
  2. Specialty average$11,773

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 PAPlano, TX

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

Wendy L. Mahone-Johnson among 547 medical oncology physician records in Texas

Wendy L. Mahone-Johnson, MD is one of 547 medical 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 2007, is newer than 55% of them.

  • NPI issued2007 · 55% of these records are older, 34% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1997 · median 2000 among the 414 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Texas

There are 547 medical oncology physician records in Texas.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Philip Kovoor, MDPlano, TX 750931578714424
  2. Larry Barker, M.D.Sherman, TX 750901518901115
  3. Tammy Roque, MDSherman, TX 750901376581330
  4. Samer Bibawi, MDRichardson, TX 750821528038759
  5. Charles Connor, M.D.Plano, TX 750751538102934
  6. Parth Khade, MDPlano, TX 750751942620216
  7. Virginia Kinsella, MDPlano, TX 750751841289667
  8. Khusroo Qureshi, M.D.Plano, TX 750751356380711

Common questions

What is Wendy L. Mahone-Johnson, MD's NPI number?

Wendy L. Mahone-Johnson, MD's National Provider Identifier (NPI) is 1386828325, issued on Dec 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wendy L. Mahone-Johnson, MD located?

The NPPES record lists a practice address at 6957 W Plano Pkwy Ste 2000, Plano, TX, 75093. Phone: (214) 483-6933. Providers update this record themselves, so call before visiting.

How can I verify Wendy L. Mahone-Johnson, MD's license?

NPPES lists Texas license number N8198, 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 Wendy L. Mahone-Johnson, MD prescribe under Medicare Part D?

In 2024, Wendy L. Mahone-Johnson, MD had 1,144 Medicare Part D claims for 164 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Wendy L. Mahone-Johnson, 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.