Richard R. Mason, D.O.
Internal Medicine Physician · Powell, OH
Richard R. Mason, D.O. is an internal medicine physician with a practice address in Powell, Ohio, and NPI 1245265958, issued on Jul 11, 2006. Check the license (Ohio 34007364M, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Richard R. Mason
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34007364M OH
Self-reported in NPPES; status is on the state search - Practice location
- 10034 Brewster LN, Powell, OH 43065
- Phone
- (614) 761-0555
- Enumerated
- Jul 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (614) 761-8937
- Medicaid ID
- 2222526 OH
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Verify Richard R. Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34007364MCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
36 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Richard R. Mason among 5,277 internal medicine physician records in Ohio
Richard R. Mason, D.O. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Ohio
There are 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Powell → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Burnich, M.D.Powell, OH 430651700957511
- Jyoti Chawla, MDPowell, OH 430651528159241
- Joddi Neff-Massullo, M.D.Powell, OH 430651275792178
- Afrah Saleem, M.D.Powell, OH 430651508387242
- Jennifer Thomas, DOPowell, OH 430651225349343
- Girraj Bansal, MDReynoldsburg, OH 430681376559336
- Paul Grandinetti, M.D.Reynoldsburg, OH 430681972588689
- Asif Qazi, M.DReynoldsburg, OH 430681134185788
Common questions
What is Richard R. Mason, D.O.'s NPI number?
Richard R. Mason, D.O.'s National Provider Identifier (NPI) is 1245265958, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard R. Mason, D.O. located?
The NPPES record lists a practice address at 10034 Brewster LN, Powell, OH, 43065. Phone: (614) 761-0555. Providers update this record themselves, so call before visiting.
How can I verify Richard R. Mason, D.O.'s license?
NPPES lists Ohio license number 34007364M, 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 Richard R. Mason, D.O. prescribe under Medicare Part D?
In 2024, Richard R. Mason, D.O. had 36 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.
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.