John Mason, MD
NPI 1447464789 · Cardiovascular Disease Physician · Parkersburg, WV
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mason, MD is a Cardiovascular Disease Physician provider in Parkersburg, WV (NPI 1447464789).
Provider details
- NPI number
- 1447464789
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.095222 (OH)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,448 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 1,888 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 363 | $67 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 279 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 269 | $124 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 184 | $20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 938 | 236 |
| Metoprolol Succinate | 746 | 277 |
| Metoprolol Tartrate | 514 | 183 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 508 | 173 |
| Atorvastatin Calcium | 455 | 176 |
| Amlodipine Besylate | 433 | 157 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$434 across 27 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
Additional practice locations (4)
- 803 Farson St Ste 400Belpre, OH 45714-1073Phone: (740) 568-5207
- 802 Wayne St Ste 202Marietta, OH 45750-3300Phone: (740) 568-5207Fax: (740) 568-5297
- 400 Matthew St Ste 302Marietta, OH 45750-1656Phone: (740) 568-5207
- 314 S Wells St Ste 100Sistersville, WV 26175-1098Phone: (304) 447-2447
Registry dates
- Enumerated
- 2007-05-09
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is John Mason's NPI number?
- John Mason's National Provider Identifier (NPI) is 1447464789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mason's specialty?
- John Mason is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Mason located?
- John Mason's practice location on file with NPPES is 600 18th St, Parkersburg, WV 26101-3231.
- What is John Mason's phone number?
- The practice phone number listed in the NPPES registry for John Mason is (304) 424-4574.
- Does John Mason accept Medicare?
- John Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mason's NPI active?
- Yes — John Mason's NPI (1447464789) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.