Lori Williams, PA-C
NPI 1881762540 · Physician Assistant · Olympia Fields, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lori Williams, PA-C is a Physician Assistant provider in Olympia Fields, IL (NPI 1881762540).
Provider details
- NPI number
- 1881762540
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,076 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 555 | $103 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 198 | $105 |
| Administration of Influenza Virus VaccineG0008 | 101 | $31 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $74 |
| Automated Urinalysis Test81003 | 43 | $2 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 285 | 71 |
| Atorvastatin Calcium | 277 | 89 |
| Pantoprazole Sodium | 192 | 64 |
| Gabapentin | 181 | 57 |
| Omeprazole | 173 | 62 |
| Amlodipine Besylate | 168 | 47 |
| Pravastatin Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,773 across 106 records (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
Registry dates
- Enumerated
- 2006-12-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lori Williams's NPI number?
- Lori Williams's National Provider Identifier (NPI) is 1881762540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lori Williams's specialty?
- Lori Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lori Williams located?
- Lori Williams's practice location on file with NPPES is 20110 Governors Hwy, Olympia Fields, IL 60461-1030.
- What is Lori Williams's phone number?
- The practice phone number listed in the NPPES registry for Lori Williams is (708) 747-7960.
- Does Lori Williams accept Medicare?
- Lori Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lori Williams's NPI active?
- Yes — Lori Williams's NPI (1881762540) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.