Nickolas Williams, PA-C
NPI 1548558950 · Physician Assistant · Effingham, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nickolas Williams, PA-C is a Physician Assistant provider in Effingham, IL (NPI 1548558950).
Provider details
- NPI number
- 1548558950
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 085004069 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
969 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 352 | $61 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 165 | $51 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 124 | $124 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $93 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 95 | $176 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 537 | 241 |
| Tramadol Hcl | 143 | 50 |
| Celecoxib | 109 | 30 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 87 | 35 |
| Amoxicillin | 83 | 56 |
| Prednisone | 61 | 41 |
| Meloxicam | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1007 S 42nd St Ste 1Mount Vernon, IL 62864-6217Phone: (217) 342-3400Fax: (217) 342-6417
Registry dates
- Enumerated
- 2011-07-19
- Last updated
- 2025-02-28
- Certified
- 2025-02-28
Frequently asked questions
- What is Nickolas Williams's NPI number?
- Nickolas Williams's National Provider Identifier (NPI) is 1548558950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nickolas Williams's specialty?
- Nickolas Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nickolas Williams located?
- Nickolas Williams's practice location on file with NPPES is 1303 W Evergreen Ave Ste 200, Effingham, IL 62401-1638.
- What is Nickolas Williams's phone number?
- The practice phone number listed in the NPPES registry for Nickolas Williams is (217) 342-3400.
- Does Nickolas Williams accept Medicare?
- Nickolas Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nickolas Williams's NPI active?
- Yes — Nickolas Williams's NPI (1548558950) is active in the NPPES registry as of the last update on 2025-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.