John Mathews
NPI 1568776391 · Medical Oncology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mathews is a Medical Oncology Physician provider in Dallas, TX (NPI 1568776391).
Provider details
- NPI number
- 1568776391
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- Q1216 (TX)
Specialties & taxonomies
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
15 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
9,572 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,929 | $76 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 977 | $10 |
| Magnesium Level83735 | 973 | $7 |
| Lactate Dehydrogenase (enzyme) Level83615 | 950 | $6 |
| Phosphate Level84100 | 650 | $5 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 629 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 243 | 78 |
| Pantoprazole Sodium | 134 | 41 |
| Prednisone | 89 | 31 |
| Gabapentin | 67 | 17 |
| Apixabanbrand: Eliquis | 56 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 47 | 23 |
| Potassium Chloride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,001 across 19 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
- 2010-08-04
- Last updated
- 2025-09-22
- Certified
- 2025-09-22
Frequently asked questions
- What is John Mathews's NPI number?
- John Mathews's National Provider Identifier (NPI) is 1568776391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mathews's specialty?
- John Mathews is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Mathews located?
- John Mathews's practice location on file with NPPES is 7777 Forest Ln Ste D220, Dallas, TX 75230-2571.
- What is John Mathews's phone number?
- The practice phone number listed in the NPPES registry for John Mathews is (972) 566-7790.
- Does John Mathews accept Medicare?
- John Mathews is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mathews's NPI active?
- Yes — John Mathews's NPI (1568776391) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.