NPPES file of Aug 9, 2026

Charles W. Mason, D.O.

Geriatric Medicine (Family Medicine) Physician · Powell, OH

Charles W. Mason, D.O. is a geriatric medicine (family medicine) physician with a practice address in Powell, Ohio, and NPI 1427027770, issued on Mar 17, 2006. Check the license (Ohio 34002034, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427027770
Name
Charles W. Mason
Credential
D.O.
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
34002034 OH
Self-reported in NPPES; status is on the state search
Practice location
8530 Northbluff LN, Powell, OH 43065
Phone
(740) 881-9190
Enumerated
Mar 17, 2006
Record last updated
Jan 5, 2022
Fax
(614) 451-2291
Medicaid ID
0198610 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (family medicine) physician records → All 76 in Ohio → Look up another NPI →

Verify Charles W. Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34002034    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 Ohio license search

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93% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

350 Medicare Part D claims for 114 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Charles Mason350
  2. Specialty average5,222

Most prescribed

  1. Lorazepam24 claims
  2. Haloperidol23 claims
  3. Levothyroxine Sodium22 claims
  4. Furosemide15 claims
  5. Finasteride14 claims
  6. Morphine Sulfate14 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.

Charles W. Mason among 76 geriatric medicine (family medicine) physician records in Ohio

Charles W. Mason, D.O. is one of 76 geriatric medicine (family medicine) physician records with a practice address in Ohio. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 39% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2022 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Ohio

There are 76 geriatric medicine (family medicine) physician records in Ohio.

All 76 in Ohio → Every provider in Powell → Geriatric Medicine (Family Medicine) Physician nationwide →

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Taylor Davis, DOWorthington, OH 430851720616006
  2. Susan Parsons, MDWorthington, OH 430851437188851
  3. Vincent Chu, DOLewis Center, OH 430351366481822
  4. Jonathan Hollister, MDGranville, OH 430231487621652
  5. Stuart Kanter, DOGranville, OH 430231730122193
  6. Amanda Williams, DOLondon, OH 431401104147669
  7. Sadaf Khan, MDColumbus, OH 432041528453842
  8. Ralph Newman, D.O.Columbus, OH 432051588711410

Common questions

What is Charles W. Mason, D.O.'s NPI number?

Charles W. Mason, D.O.'s National Provider Identifier (NPI) is 1427027770, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles W. Mason, D.O. located?

The NPPES record lists a practice address at 8530 Northbluff LN, Powell, OH, 43065. Phone: (740) 881-9190. Providers update this record themselves, so call before visiting.

How can I verify Charles W. Mason, D.O.'s license?

NPPES lists Ohio license number 34002034, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles W. Mason, D.O. prescribe under Medicare Part D?

In 2024, Charles W. Mason, D.O. had 350 Medicare Part D claims for 114 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.