NPI registry status
Active
2026 NPPES data Geriatric Medicine (Family Medicine) Physician NPI 1427027770 D.O.
Verify on CMS → Charles Mason, D.O.
Geriatric Medicine (Family Medicine) Physician in Powell, Ohio.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 1,779 in Geriatric Medicine (Family Medicine) Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
518
Medicare Part D claims · 151 beneficiaries · Geriatric Medicine (Family Medicine) Physician avg: 5K
Generic prescribing
85%
generic claims · 13% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Charles Mason, D.O. filed 518 Medicare Part D claims in 2023 as a Geriatric Medicine (Family Medicine) Physician in Powell, Ohio, prescribing 85% generic.
- 518
- Part D claims, 2023
- 85%
- generic prescribing
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Charles Mason, D.O.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
518 Top 34% higher than 66% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
◑
Board-eligible specialty (heuristic, not verified)
Charles Mason, D.O. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Charles Mason, D.O.?
Quality data not reportedPrimary specialty
Geriatric Medicine (Family Medicine) Physician
Medicare Part D claims
518 89% vs specialty avg
Specialty distribution in Ohio
How Geriatric Medicine (Family Medicine) Physician compares to other specialties among Ohio providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Geriatric Medicine (Family Medicine) Physician. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Charles Mason, D.O. appears in the CMS NPPES registry as a Geriatric Medicine (Family Medicine) Physician provider holding D.O. credentials at 8530 NORTHBLUFF LN, Powell, OH, 43065, with a listed phone of (740) 881-9190. NPI 1427027770 was issued on 03/17/2006.
Medicare Part D records for calendar year 2023 show 518 prescription claims written by this provider, covering 151 Medicare beneficiaries and totaling roughly $15K in drug spend, split 13% brand-name and 85% generic by claim count, with an opioid prescribing rate of 6.4%.
Geriatric Medicine (Family Medicine) Physician is a narrow specialty nationwide, with 1,779 enrolled providers across 52 states and an average of 4,854 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1427027770 |
|---|---|
| Specialty | Geriatric Medicine (Family Medicine) Physician |
| Credentials | D.O. |
| Gender | Male |
| NPI Issued | 03/17/2006 |
License & disciplinary context - Ohio OMB 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~48K Ohio medical licensees in 2023 - they are NOT specific to Charles Mason, D.O.. To verify Charles Mason, D.O.'s current license status, search the OMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
158
Total board actions, Ohio 2023
Across 154 cases
3.29
Actions per 1,000 licensees
Ohio statewide rate
probation
Most common action type
56 cases
OMB publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Ohio disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
Charles Mason, D.O. - brand share 13.0%
Geriatric Medicine (Family Medicine) Physician average
13% brand-name claims vs 85% generic, on 518 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
518
Total Claims
$15K
Total Drug Cost
151
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 609
- Total Day Supply
- 13,171
- Brand vs Generic
- 13% brand / 85% generic
- Brand Drug Cost
- $9K
- Generic Drug Cost
- $6K
- Opioid Claims
- 33 (6.4% rate)
Patient Demographics
- Average Patient Age
- 80.5 years
- Avg HCC Risk Score
- 3.23
- Gender Split
- 62% female / 38% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Charles Mason, D.O. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Furosemide
Furosemide
38 claims
- Levothyroxine Sodium
Levothyroxine Sodium
36 claims
- Trazodone Hcl
Trazodone Hcl
22 claims
- Atorvastatin Calcium
Atorvastatin Calcium
21 claims
- Haloperidol
Haloperidol
21 claims
- Lorazepam
Lorazepam
20 claims
- Morphine Sulfate
Morphine Sulfate
16 claims
- Dexamethasone 14
Dexamethasone
14 claims
| Drug | Claims |
|---|---|
| Furosemide | 38 |
| Levothyroxine Sodium | 36 |
| Trazodone Hcl | 22 |
| Atorvastatin Calcium | 21 |
| Haloperidol | 21 |
| Lorazepam | 20 |
| Morphine Sulfate | 16 |
| Dexamethasone | 14 |
| Lisinopril | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Geriatric Medicine (Family Medicine) Physician in OH →
All providers in Ohio →
Compare specialties →
Geriatric Medicine (Family Medicine) Physician Overview
How Charles Mason, D.O. fits within the Geriatric Medicine (Family Medicine) Physician landscape nationally.
1,779
Geriatric Medicine (Family Medicine) Physician Providers in US
52
States with Geriatric Medicine (Family Medicine) Physician
4,854
Avg Claims per Provider
Charles Mason, D.O.'s 518 claims are below the specialty average of 4,854.
Nearby Geriatric Medicine (Family Medicine) Physician Providers in Ohio
Other clinicians with the same primary specialty enrolled in Ohio, drawn from the same CMS NPPES roster as Mason.
Dr. Assim Alabdulkader
MD, MPH
Cleveland, OH
Dr. Kyle Allen
DO
Xenia, OH
Dr. Foyinsola Amoye
MD
Akron, OH
Dr. Susan Berner
M.D.
Oakwood, OH
Dr. Mark Buddie
MD
Columbus, OH
Compare Geriatric Medicine (Family Medicine) Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Ohio medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Geriatric Medicine (Family Medicine) Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Medical Specialties Explained
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Understanding Medicare Claims Data
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How insurance networks affect your costs
Telehealth Guide
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Frequently Asked Questions
What is Charles Mason, D.O.'s specialty? ▼
Charles Mason, D.O. specializes in Geriatric Medicine (Family Medicine) Physician and practices in Powell, Ohio. Credentials: D.O..
How much does Charles Mason, D.O. prescribe under Medicare Part D? ▼
In 2023, Charles Mason, D.O. wrote 518 Medicare Part D claims totaling $15K in drug costs for 151 beneficiaries.
Where is Charles Mason, D.O. located? ▼
Charles Mason, D.O. is located at 8530 NORTHBLUFF LN, Powell, OH, 43065. Phone: (740) 881-9190.
What is Charles Mason, D.O.'s NPI number? ▼
Charles Mason, D.O.'s National Provider Identifier (NPI) is 1427027770, issued on 03/17/2006.
Does Charles Mason, D.O. prescribe more brand-name or generic drugs? ▼
Charles Mason, D.O.'s prescribing is 13% brand-name and 85% generic drugs by claim count, with $9K in brand drug costs.
Does Charles Mason, D.O. prescribe opioids? ▼
Yes, Charles Mason, D.O. had 33 opioid claims in 2023 with an opioid prescribing rate of 6.4%.
How many Geriatric Medicine (Family Medicine) Physician providers are there in the US? ▼
There are 1,779 Geriatric Medicine (Family Medicine) Physician providers across 52 states in the US. The average Geriatric Medicine (Family Medicine) Physician provider writes 4,854 Medicare Part D claims per year.
What drugs does Charles Mason, D.O. prescribe most often? ▼
Based on 2023 Medicare Part D data, Charles Mason, D.O.'s most frequently prescribed drugs include Furosemide, Levothyroxine Sodium, Trazodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Charles Mason, D.O. accept Medicare? ▼
Charles Mason, D.O. appears in CMS Medicare data with 518 Part D claims and 151 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Charles Mason, D.O.'s credentials? ▼
Charles Mason, D.O.'s NPI is 1427027770 with credentials D.O.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Compiled from official public sources by the PlainDoctor editorial team.