NPI registry status
Active
2026 NPPES data Physician Assistant NPI 1952166159 PA-C
Verify on CMS → Isabella Zonna, PA-C
Physician Assistant in Butler, Pennsylvania.
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.
What the federal data shows
Isabella Zonna, PA-C is a Physician Assistant in Butler, Pennsylvania, listed in the federal CMS National Provider Identifier registry.
- #7
- Physician Assistant rank among Pennsylvania specialties
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.
CMS NPPES provider registry desk
NPI 1952166159 · Physician Assistant
NPI-10 · ENUM-NEW · TAX-MEGA · RX-NONE · BOOK-MID · PHOTO-ENUM
- NPI-10 1952166159
- ENUM-NEW 2024
- TAX-MEGA 151K Physician Assistant
- RX-NONE No Part D
- BOOK-MID 7,614 in Pennsylvania
- PHOTO-ENUM Iman Shkokani · 2024
What does the federal data show about Isabella Zonna, PA-C?
Quality data not reportedPrimary specialty
Physician Assistant
Specialty distribution in Pennsylvania
How Physician Assistant compares to other specialties among Pennsylvania 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).
Practice Address
Provider Details
| NPI | 1952166159 |
|---|---|
| Specialty | Physician Assistant |
| Credentials | PA-C |
| Gender | Female |
| NPI Issued | 02/16/2024 |
Hospital and facility affiliations
Facilities where Isabella Zonna, 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.
Butler Medical Providers
Butler, PA
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
License & disciplinary context - Pennsylvania PA-BOM 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 ~45K Pennsylvania medical licensees in 2023 - they are NOT specific to Isabella Zonna, PA-C. To verify Isabella Zonna, PA-C's current license status, search the PA-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
133
Total board actions, Pennsylvania 2023
Across 129 cases
2.96
Actions per 1,000 licensees
Pennsylvania statewide rate
probation
Most common action type
48 cases
PA-BOM 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 Pennsylvania disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Physician Assistant Overview
How Isabella Zonna, 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
Nationwide Physician Assistant peers with similar MIPS or enrollment year
Two federal-record peer sets for Zonna, both outside Pennsylvania so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2024)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Physician Assistant Providers in Pennsylvania
Other clinicians with the same primary specialty enrolled in Pennsylvania, drawn from the same CMS NPPES roster as Zonna.
One of 7,614 Physician Assistant providers enrolled in Pennsylvania, 5 are shown here.
Matthew Abad
Lansdowne, PA
Dr. Ariane Abadi
PA-C
Philadelphia, PA
Dr. Rama Abbireddy
PA
Bethlehem, PA
Dr. Marianne Abdalah
PA
Sewickley, PA
Dr. Safiyya Abdul-Ghani
PA
Oaks, PA
Compare Physician Assistant nationally: see state-by-state distribution →
Frequently Asked Questions
What is Isabella Zonna, PA-C's specialty? ▼
Isabella Zonna, PA-C specializes in Physician Assistant and practices in Butler, Pennsylvania. Credentials: PA-C.
Where is Isabella Zonna, PA-C located? ▼
Isabella Zonna, PA-C is located at 1 HOSPITAL WAY, Butler, PA, 16001. Phone: (724) 482-4099.
What is Isabella Zonna, PA-C's NPI number? ▼
Isabella Zonna, PA-C's National Provider Identifier (NPI) is 1952166159, issued on 02/16/2024.
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.
Does Isabella Zonna, PA-C accept Medicare? ▼
Isabella Zonna, PA-C appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Isabella Zonna, PA-C's credentials? ▼
Isabella Zonna, PA-C's NPI is 1952166159 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.
- 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.