NPI registry status
Active
2026 NPPES data Vascular Surgery Physician NPI 1912369471
Verify on CMS → Winsor Chen
Vascular Surgery Physician in Youngstown, 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 4,362 in Vascular Surgery 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
17
Medicare Part D claims · 12 beneficiaries · Vascular Surgery Physician avg: 211
Industry payments
$914.44
12 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Winsor Chen filed 17 Medicare Part D claims in 2024 as a Vascular Surgery Physician in Youngstown, Ohio.
- 17
- Part D claims, 2024
- Likely
- board-certified (heuristic)
- ≥0th
- pct by Part D claim volume (lower-bound band)
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.
Federal trust snapshot
What official records show about Winsor Chen
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1912369471), first enumerated 03/24/2016.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 17 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Reported
Industry payment transparency
$914.44 in reported industry payments (12 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- State context
State board disciplinary context
Ohio statewide board action statistics are published annually — these figures describe aggregate state activity, not Winsor Chen's individual license status. Verify directly with the state medical board.
Source: OMB annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1912369471 · Vascular Surgery Physician
NPI-10 · ENUM-MID · TAX-NARROW · RX-TRACE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1912369471
- ENUM-MID 2016
- TAX-NARROW 4,362
- RX-TRACE 17
- BOOK-THIN 190 in Ohio
- PHOTO-ENUM Matthew Chia, M.D. · 2016
Winsor Chen's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
17 ≥ 0th percentile 0% of 1,416,883 prescribers are in lower value bands
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.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
✓
Board certification likely (heuristic, not verified)
Winsor Chen practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Winsor Chen?
Quality data not reportedPrimary specialty
Vascular Surgery Physician
Medicare Part D claims
17 92% vs specialty avg
Specialty distribution in Ohio
How Vascular Surgery 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 Vascular Surgery 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).
Practice Address
Provider Details
| NPI | 1912369471 |
|---|---|
| Specialty | Vascular Surgery Physician |
| Gender | Male |
| NPI Issued | 03/24/2016 |
Hospital and facility affiliations
Facilities where Winsor Chen 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.
Mercy Health Physicians Youngstown Specialty Care LLC
Youngstown, OH
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 Winsor Chen. Source: openpaymentsdata.cms.gov.
Total received
$914
Largest payer
W. L. Gore & Associates, 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 Winsor Chen. To verify Winsor Chen'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.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
17
Total Claims
$92
Total Drug Cost
12
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 17
- Total Day Supply
- 297
- Brand Drug Cost
- $0
- Generic Drug Cost
- $92
Patient Demographics
- Average Patient Age
- 76.6 years
- Avg HCC Risk Score
- 3.18
Vascular Surgery Physician Overview
How Winsor Chen fits within the Vascular Surgery Physician landscape nationally.
4,362
Vascular Surgery Physician Providers in US
53
States with Vascular Surgery Physician
211
Avg Claims per Provider
Winsor Chen's 17 claims are below the specialty average of 211.
Nationwide Vascular Surgery Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Chen, both outside Ohio so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2016)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Vascular Surgery Physician Providers in Ohio
Other clinicians with the same primary specialty enrolled in Ohio, drawn from the same CMS NPPES roster as Chen.
One of 190 Vascular Surgery Physician providers enrolled in Ohio, 5 are shown here.
Dr. Jihad Abbas
M.D.
Toledo, OH
Dr. Abdullah Abdullah
MD
Cleveland, OH
Dr. Mohammad Afridi
M.D.
Toledo, OH
Dr. Sophia Afridi
MD
Toledo, OH
Dr. Mohammed Akbani
M.D.
Lima, OH
Compare Vascular Surgery Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Winsor Chen's specialty? ▼
Winsor Chen specializes in Vascular Surgery Physician and practices in Youngstown, Ohio.
How much does Winsor Chen prescribe under Medicare Part D? ▼
In 2024, Winsor Chen wrote 17 Medicare Part D claims totaling $92 in drug costs for 12 beneficiaries.
Where is Winsor Chen located? ▼
Winsor Chen is located at 1001 BELMONT AVE, Youngstown, OH, 44504. Phone: (330) 747-1106.
What is Winsor Chen's NPI number? ▼
Winsor Chen's National Provider Identifier (NPI) is 1912369471, issued on 03/24/2016.
How many Vascular Surgery Physician providers are there in the US? ▼
There are 4,362 Vascular Surgery Physician providers across 53 states in the US. The average Vascular Surgery Physician provider writes 211 Medicare Part D claims per year.
Does Winsor Chen accept Medicare? ▼
Winsor Chen appears in CMS Medicare data with 17 Part D claims and 12 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Winsor Chen's credentials? ▼
Winsor Chen's NPI is 1912369471. 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 (2024). 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 August 2026 (NPPES) / 2024 (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 August 2026.