NPI registry status
Active
2026 NPPES data Clinical Neurophysiology Physician NPI 1619913761 MD
Verify on CMS → William Evans, MD
Clinical Neurophysiology Physician in Ocean Springs, Mississippi.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 650 in Clinical Neurophysiology 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
1K
Medicare Part D claims · 258 beneficiaries · Clinical Neurophysiology Physician avg: 2K
Industry payments
$5.1K
259 payments · CMS Open Payments (Sunshine Act)
What the federal data shows
William Evans, MD filed 1,324 Medicare Part D claims in 2024 as a Clinical Neurophysiology Physician in Ocean Springs, Mississippi.
- 1K
- Part D claims, 2024
- Likely
- board-certified (heuristic)
- ≥79th
- 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 William Evans, MD
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 1619913761), first enumerated 06/20/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 1,324 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
$5.1K in reported industry payments (259 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- 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 1619913761 · Clinical Neurophysiology Physician
NPI-10 · ENUM-LEGACY · TAX-NARROW · RX-MID · BOOK-THIN · PHOTO-ENUM
- NPI-10 1619913761
- ENUM-LEGACY 2006
- TAX-NARROW 650
- RX-MID 1,324
- BOOK-THIN 3 in Mississippi
- PHOTO-ENUM Khalil Nasrallah · 2006
William Evans, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
1,324 ≥ 79th percentile 79% 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)
William Evans, MD 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 William Evans, MD?
Quality data not reportedPrimary specialty
Clinical Neurophysiology Physician
Medicare Part D claims
1,324 16% vs specialty avg
Specialty distribution in Mississippi
How Clinical Neurophysiology Physician compares to other specialties among Mississippi 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 Clinical Neurophysiology 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 | 1619913761 |
|---|---|
| Specialty | Clinical Neurophysiology Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 06/20/2006 |
Hospital and facility affiliations
Facilities where William Evans, MD 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.
Singing River Health System
★☆☆☆☆ 1/5
Pascagoula, MS
Acute Care Hospitals
CMS CCN: 250040
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 William Evans, MD. Source: openpaymentsdata.cms.gov.
Total received
$5.1K
Largest payer
ABBVIE 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.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
1,324
Total Claims
$2.6M
Total Drug Cost
258
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,902.967
- Total Day Supply
- 50,917
- Generic Drug Cost
- $161K
- Opioid Claims
- 23 (1.7% rate)
Patient Demographics
- Average Patient Age
- 69.2 years
- Avg HCC Risk Score
- 1.65
- Gender Split
- 56% female / 44% male
- Age Distribution
- <65: 62, 65-74: 99, 75-84: 83, 85+: 14
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What William Evans, MD prescribes most
Top Medicare Part D drugs by claim count, 2024
- Carbidopa-Levodopa
Carbidopa-Levodopa
135 claims
- Gabapentin
Gabapentin
102 claims
- Privigen
Privigen
83 claims
- Sodium Chloride
Sodium Chloride
57 claims
- Duloxetine Hcl 36
Duloxetine Hcl
36 claims
- Trazodone Hcl 36
Trazodone Hcl
36 claims
- Baclofen 35
Baclofen
35 claims
- Pregabalin 35
Pregabalin
35 claims
| Drug | Claims |
|---|---|
| Carbidopa-Levodopa Carbidopa/Levodopa | 135 |
| Gabapentin | 102 |
| Privigen Immun Glob G(Igg)/Pro/Iga 0-50 | 83 |
| Sodium Chloride 0.9 % Sodium Chloride | 57 |
| Duloxetine Hcl | 36 |
| Trazodone Hcl | 36 |
| Baclofen | 35 |
| Pregabalin | 35 |
| Atorvastatin Calcium | 30 |
| Ropinirole Hcl | 29 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Clinical Neurophysiology Physician in MS →
All providers in Mississippi →
Compare specialties →
Clinical Neurophysiology Physician Overview
How William Evans, MD fits within the Clinical Neurophysiology Physician landscape nationally.
650
Clinical Neurophysiology Physician Providers in US
50
States with Clinical Neurophysiology Physician
1,582
Avg Claims per Provider
William Evans, MD's 1,324 claims are below the specialty average of 1,582.
Nationwide Clinical Neurophysiology Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Evans, both outside Mississippi so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Clinical Neurophysiology Physician Providers in Mississippi
Other clinicians with the same primary specialty enrolled in Mississippi, drawn from the same CMS NPPES roster as Evans.
One of 3 Clinical Neurophysiology Physician providers enrolled in Mississippi, 2 are shown here.
Compare Clinical Neurophysiology Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is William Evans, MD's specialty? ▼
William Evans, MD specializes in Clinical Neurophysiology Physician and practices in Ocean Springs, Mississippi. Credentials: MD.
How much does William Evans, MD prescribe under Medicare Part D? ▼
In 2024, William Evans, MD wrote 1,324 Medicare Part D claims totaling $2.6M in drug costs for 258 beneficiaries.
Where is William Evans, MD located? ▼
William Evans, MD is located at 3631 BIENVILLE BLVD, Ocean Springs, MS, 39564. Phone: (228) 818-9620.
What is William Evans, MD's NPI number? ▼
William Evans, MD's National Provider Identifier (NPI) is 1619913761, issued on 06/20/2006.
Does William Evans, MD prescribe opioids? ▼
Yes, William Evans, MD had 23 opioid claims in 2024 with an opioid prescribing rate of 1.7%.
How many Clinical Neurophysiology Physician providers are there in the US? ▼
There are 650 Clinical Neurophysiology Physician providers across 50 states in the US. The average Clinical Neurophysiology Physician provider writes 1,582 Medicare Part D claims per year.
What drugs does William Evans, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, William Evans, MD's most frequently prescribed drugs include Carbidopa-Levodopa, Gabapentin, Privigen. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does William Evans, MD accept Medicare? ▼
William Evans, MD appears in CMS Medicare data with 1,324 Part D claims and 258 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify William Evans, MD's credentials? ▼
William Evans, MD's NPI is 1619913761 with credentials MD. 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.