Elizabeth Williams, FNP-C
NPI 1225542723 · Family Nurse Practitioner · Collierville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Williams, FNP-C is a Family Nurse Practitioner provider in Collierville, TN (NPI 1225542723).
Provider details
- NPI number
- 1225542723
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 902417 (MS)
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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
737 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 | 125 | $104 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 75 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $72 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 70 | $3 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 64 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 83 | 18 |
| Diclofenac Sodium | 57 | 42 |
| Amlodipine Besylate | 54 | 24 |
| Lansoprazole | 52 | — |
| Omeprazole | 51 | 19 |
| Tamsulosin Hcl | 49 | 13 |
| Montelukast Sodium | 42 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$737 across 22 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
- 2017-11-21
- Last updated
- 2023-09-15
- Certified
- 2023-09-14
Frequently asked questions
- What is Elizabeth Williams's NPI number?
- Elizabeth Williams's National Provider Identifier (NPI) is 1225542723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Williams's specialty?
- Elizabeth Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Williams located?
- Elizabeth Williams's practice location on file with NPPES is 526 Halle Park Dr, Collierville, TN 38017-7085.
- What is Elizabeth Williams's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Williams is (901) 910-3246.
- Does Elizabeth Williams accept Medicare?
- Elizabeth Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Williams's NPI active?
- Yes — Elizabeth Williams's NPI (1225542723) is active in the NPPES registry as of the last update on 2023-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.