NPI registry status
Active
2026 NPPES data Physician Assistant NPI 1598313793 PA-C
Verify on CMS → Neil Mast, PA-C
Physician Assistant in Bellefontaine, 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 150,974 in Physician Assistant, 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
1K
Medicare Part D claims · 384 beneficiaries · Physician Assistant avg: 790
Generic prescribing
96%
generic claims · 4% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$87.47
3 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Neil Mast, PA-C filed 1,266 Medicare Part D claims in 2023 as a Physician Assistant in Bellefontaine, Ohio, prescribing 96% generic.
- 1K
- Part D claims, 2023
- 96%
- generic prescribing
- $87.47
- industry payments (Sunshine Act)
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.
Neil Mast, PA-C's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
1,266 Top 22% higher than 78% 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
What does the federal data show about Neil Mast, PA-C?
Quality data not reportedPrimary specialty
Physician Assistant
Medicare Part D claims
1,266 60% vs specialty avg
Specialty distribution in Ohio
How Physician Assistant 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 Physician Assistant. 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).
Neil Mast, PA-C appears in the CMS NPPES registry as a Physician Assistant provider holding PA-C credentials at 1134 N MAIN ST STE 3100, Bellefontaine, OH, 43311, with a listed phone of (937) 592-9799. NPI 1598313793 was issued on 08/30/2019.
Medicare Part D records for calendar year 2023 show 1,266 prescription claims written by this provider, covering 384 Medicare beneficiaries and totaling roughly $55K in drug spend, split 4% brand-name and 96% generic by claim count.
Physician Assistant is a high-volume specialty nationwide, with 150,974 enrolled providers across 56 states and an average of 790 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 | 1598313793 |
|---|---|
| Specialty | Physician Assistant |
| Credentials | PA-C |
| Gender | Male |
| NPI Issued | 08/30/2019 |
Hospital and facility affiliations
Facilities where Neil Mast, PA-C bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Mary Rutan Hospital
★★★★☆ 4/5
Bellefontaine, OH
Acute Care Hospitals
CMS CCN: 360197
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Neil Mast, PA-C. Source: openpaymentsdata.cms.gov.
Total received
$87
Largest payer
Optinose US, Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
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 Neil Mast, PA-C. To verify Neil Mast, PA-C'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 · Generic-heavy
Neil Mast, PA-C - brand share 4.0%
Physician Assistant average
4% brand-name claims vs 96% generic, on 1,266 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.
1,266
Total Claims
$55K
Total Drug Cost
384
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,572
- Total Day Supply
- 38,903
- Brand vs Generic
- 4% brand / 96% generic
- Brand Drug Cost
- $27K
- Generic Drug Cost
- $27K
- Antibiotic Claims
- 75
Patient Demographics
- Average Patient Age
- 70.8 years
- Avg HCC Risk Score
- 1.18
- Gender Split
- 62% female / 38% male
- Age Distribution
- <65: 70, 65-74: 162, 75-84: 114, 85+: 38
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Neil Mast, PA-C prescribes most
Top Medicare Part D drugs by claim count, 2023
- Fluticasone Propio…
Fluticasone Propionate
234 claims
- Levocetirizine Dih…
Levocetirizine Dihydrochloride
172 claims
- Omeprazole
Omeprazole
100 claims
- Ipratropium Bromide
Ipratropium Bromide
99 claims
- Methylprednisolone
Methylprednisolone
97 claims
- Azelastine Hcl 80
Azelastine Hcl
80 claims
- Mupirocin 45
Mupirocin
45 claims
- Montelukast Sodium 37
Montelukast Sodium
37 claims
| Drug | Claims |
|---|---|
| Fluticasone Propionate | 234 |
| Levocetirizine Dihydrochloride | 172 |
| Omeprazole | 100 |
| Ipratropium Bromide | 99 |
| Methylprednisolone | 97 |
| Azelastine Hcl | 80 |
| Mupirocin | 45 |
| Montelukast Sodium | 37 |
| Dexamethasone Sodium Phosphate | 33 |
| Prednisone | 33 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Physician Assistant Overview
How Neil Mast, PA-C fits within the Physician Assistant landscape nationally.
150,974
Physician Assistant Providers in US
56
States with Physician Assistant
790
Avg Claims per Provider
Neil Mast, PA-C's 1,266 claims are above the specialty average of 790.
Nearby Physician Assistant Providers in Ohio
Other clinicians with the same primary specialty enrolled in Ohio, drawn from the same CMS NPPES roster as Mast.
Dr. Ali Abady
PA-C
Westerville, OH
Dr. Kristin Abbruzzi
PA
Columbus, OH
Dr. Donia Abdalla
MMSC, PA-C
Pepper Pike, OH
Dr. Nadia Abdallah
PA-C
Elyria, OH
Dr. Sarah Abdallah
PA-C
Centerville, OH
Compare Physician Assistant 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 Physician Assistant 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.
Healthcare Guides
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Medical Specialties Explained
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Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
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Explore Ohio
Frequently Asked Questions
What is Neil Mast, PA-C's specialty? ▼
Neil Mast, PA-C specializes in Physician Assistant and practices in Bellefontaine, Ohio. Credentials: PA-C.
How much does Neil Mast, PA-C prescribe under Medicare Part D? ▼
In 2023, Neil Mast, PA-C wrote 1,266 Medicare Part D claims totaling $55K in drug costs for 384 beneficiaries.
Where is Neil Mast, PA-C located? ▼
Neil Mast, PA-C is located at 1134 N MAIN ST STE 3100, Bellefontaine, OH, 43311. Phone: (937) 592-9799.
What is Neil Mast, PA-C's NPI number? ▼
Neil Mast, PA-C's National Provider Identifier (NPI) is 1598313793, issued on 08/30/2019.
Does Neil Mast, PA-C prescribe more brand-name or generic drugs? ▼
Neil Mast, PA-C's prescribing is 4% brand-name and 96% generic drugs by claim count, with $27K in brand drug costs.
How many Physician Assistant providers are there in the US? ▼
There are 150,974 Physician Assistant providers across 56 states in the US. The average Physician Assistant provider writes 790 Medicare Part D claims per year.
What drugs does Neil Mast, PA-C prescribe most often? ▼
Based on 2023 Medicare Part D data, Neil Mast, PA-C's most frequently prescribed drugs include Fluticasone Propionate, Levocetirizine Dihydrochloride, Omeprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Neil Mast, PA-C accept Medicare? ▼
Neil Mast, PA-C appears in CMS Medicare data with 1,266 Part D claims and 384 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Neil Mast, PA-C's credentials? ▼
Neil Mast, PA-C's NPI is 1598313793 with credentials PA-C. 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
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.