NPPES file of Aug 9, 2026

John Mason, MD

Cardiovascular Disease Physician · Parkersburg, WV

John Mason, MD is a cardiovascular disease physician with a practice address in Parkersburg, West Virginia, and NPI 1447464789, issued on May 9, 2007. Check the license (West Virginia 22957, as entered in NPPES) on the West Virginia Board of Medicine; 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
1447464789
Name
John Mason
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
22957 WV
35.095222 OH
Self-reported in NPPES; status is on the state search
Practice location
600 18TH St, Parkersburg, WV 26101
Phone
(304) 424-4574
Enumerated
May 9, 2007
Record last updated
Apr 30, 2026
Fax
(304) 424-4917
Medicare enrollment
Enrolled (PECOS I20080530000714); accepts Medicare assignment
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 600 18TH St

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

  1. Miniya Berhane, M.D.Pediatrics Physician1053377366
  2. Gurpreet Brar, MDRheumatology Physician1417913435
  3. Patricia Cabaniss, M.D.Obstetrics & Gynecology Physician1265400766
  4. Catherine Church, NPFamily Nurse Practitioner1649466616
  5. Nicholas Franklin, DOStudent in an Organized Health Care Education/Training Program1710371422
  6. David GnegyCardiovascular Disease Physician1174591192

Verify John Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWest Virginia Board of Medicine
    Search for license 22957
    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 West Virginia 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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2.7 times the Medicare Part D claims of the average cardiovascular disease physician in 2024

8,191 Medicare Part D claims for 1,669 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. John Mason8,191
  2. Specialty average3,078

Most prescribed

  1. Eliquis938 claims
  2. Metoprolol Succinate746 claims
  3. Metoprolol Tartrate514 claims
  4. Isosorbide Mononitrate Er508 claims
  5. Atorvastatin Calcium455 claims
  6. Amlodipine Besylate433 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): 94.1 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 score78.5
  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: $433.99

27 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Mason$433.99
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Marietta Memorial HospitalMarietta, OH · Acute Care Hospitals3 of 5 stars
  2. Camden-Clark Physician CorporationParkersburg, WV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

John Mason among 111 cardiovascular disease physician records in West Virginia

John Mason, MD is one of 111 cardiovascular disease physician records with a practice address in West Virginia. 77% 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 67% of them.

  • NPI issued2007 · 67% of these records are older, 23% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2002 · median 1994 among the 71 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in West Virginia

There are 111 cardiovascular disease physician records in West Virginia.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. David GnegyParkersburg, WV 261011174591192
  2. Hemant ModiParkersburg, WV 261011033186267
  3. Getachew Zeleke, MDParkersburg, WV 261011669792024
  4. Maninder Bedi, MDWeirton, WV 260621003851213
  5. Daniel Jovanovich, MDWeirton, WV 260621336105949
  6. Jasbir Makar, MDWeirton, WV 260621235124975
  7. Stanley Mannino, M.D.Weirton, WV 260621487645727
  8. Dakshina Murthy, MDNew Martinsville, WV 261551801895016

Common questions

What is John Mason, MD's NPI number?

John Mason, MD's National Provider Identifier (NPI) is 1447464789, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Mason, MD located?

The NPPES record lists a practice address at 600 18TH St, Parkersburg, WV, 26101. Phone: (304) 424-4574. Providers update this record themselves, so call before visiting.

How can I verify John Mason, MD's license?

NPPES lists West Virginia license number 22957, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Mason, MD prescribe under Medicare Part D?

In 2024, John Mason, MD had 8,191 Medicare Part D claims for 1,669 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is John Mason, MD's MIPS final score?

The 2023 MIPS final score is 94.1 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.