Tierra Williams
NPI 1144977935 · Adult Health Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tierra Williams is a Adult Health Nurse Practitioner provider in Chicago, IL (NPI 1144977935).
Provider details
- NPI number
- 1144977935
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209024848 (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 tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,722 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 429 | $64 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 361 | $93 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 249 | $65 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 202 | $28 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 157 | $94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 83 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 79 | 15 |
| Clonazepam | 66 | — |
| Lidocaine | 62 | — |
| Alprazolam | 53 | — |
| Tramadol Hcl | 52 | 13 |
| Warfarin Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-02
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Tierra Williams's NPI number?
- Tierra Williams's National Provider Identifier (NPI) is 1144977935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tierra Williams's specialty?
- Tierra Williams is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tierra Williams located?
- Tierra Williams's practice location on file with NPPES is 2450 N Central Ave, Chicago, IL 60639-1316.
- What is Tierra Williams's phone number?
- The practice phone number listed in the NPPES registry for Tierra Williams is (773) 889-1333.
- Does Tierra Williams accept Medicare?
- Tierra Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tierra Williams's NPI active?
- Yes — Tierra Williams's NPI (1144977935) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.