Wendy Mahone-Johnson, MD
NPI 1386828325 · Medical Oncology Physician · Plano, TX
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Mahone-Johnson, MD is a Medical Oncology Physician provider in Plano, TX (NPI 1386828325).
Provider details
- NPI number
- 1386828325
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- N8198 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,270 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 516 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 500 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 380 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 341 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 174 | $86 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 164 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 97 | 20 |
| Anastrozole | 96 | 25 |
| Letrozole | 65 | 15 |
| Rivaroxabanbrand: Xarelto | 53 | 12 |
| Gabapentin | 51 | 11 |
| Tamoxifen Citrate | 49 | 11 |
| Hydroxyurea | 45 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,770 across 83 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-27
- Last updated
- 2021-05-24
- Certified
- 2021-05-24
Frequently asked questions
- What is Wendy Mahone-Johnson's NPI number?
- Wendy Mahone-Johnson's National Provider Identifier (NPI) is 1386828325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Mahone-Johnson's specialty?
- Wendy Mahone-Johnson is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Wendy Mahone-Johnson located?
- Wendy Mahone-Johnson's practice location on file with NPPES is 6957 W Plano Pkwy Ste 2000, Plano, TX 75093.
- What is Wendy Mahone-Johnson's phone number?
- The practice phone number listed in the NPPES registry for Wendy Mahone-Johnson is (214) 483-6933.
- Does Wendy Mahone-Johnson accept Medicare?
- Wendy Mahone-Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Mahone-Johnson's NPI active?
- Yes — Wendy Mahone-Johnson's NPI (1386828325) is active in the NPPES registry as of the last update on 2021-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.