NPPES file of Aug 9, 2026

Tierra Williams

Adult Health Nurse Practitioner · Chicago, IL

Tierra Williams is an adult health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1144977935, issued on Mar 2, 2022. Check the license (Illinois 209024848, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144977935
Name
Tierra Williams
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
209024848 IL
Self-reported in NPPES; status is on the state search
Practice location
2450 N Central Ave, Chicago, IL 60639
Phone
(773) 889-1333
Enumerated
Mar 2, 2022
Record last updated
Jul 8, 2025
Fax
(847) 221-6942
Medicare enrollment
Enrolled (PECOS I20220420001398); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2450 N Central Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Angela Mooney, MS, CCC-SLPSpeech-Language Pathologist1720545791
  2. Mary Ellen O'ConnorOccupational Therapist1780064246

Verify Tierra Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209024848
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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12% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

1,130 Medicare Part D claims for 104 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 139 claims were for opioids.

  1. Tierra Williams1,130
  2. Specialty average1,280

Most prescribed

  1. Lorazepam83 claims
  2. Hydrocodone-Acetaminophen79 claims
  3. Clonazepam66 claims
  4. Lidocaine62 claims
  5. Alprazolam53 claims
  6. Tramadol Hcl52 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Vitae Health Medical Illinois, PLLCChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tierra Williams among 743 adult health nurse practitioner records in Illinois

Tierra Williams is one of 743 adult health nurse practitioner records with a practice address in Illinois. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.

  • NPI issued2022 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2021 · median 2013 among the 372 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Illinois

There are 743 adult health nurse practitioner records in Illinois.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Matthew Sorenson, PHD., ANP, ANP-CChicago, IL 606401619361474
  2. Mary Taylor, APNChicago, IL 606401336472836
  3. Allison ZitrickChicago, IL 606401093268427
  4. Dana AugustineChicago, IL 606371750766788
  5. Venus Liezl Basnillo, APNChicago, IL 606411265971204
  6. Jacklyn GideonChicago, IL 606371629515572
  7. Jordan GitalanChicago, IL 606371659943785
  8. Keriann KordasChicago, IL 606371538598180

Common questions

What is Tierra Williams's NPI number?

Tierra Williams's National Provider Identifier (NPI) is 1144977935, issued on Mar 2, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Tierra Williams located?

The NPPES record lists a practice address at 2450 N Central Ave, Chicago, IL, 60639. Phone: (773) 889-1333. Providers update this record themselves, so call before visiting.

How can I verify Tierra Williams's license?

NPPES lists Illinois license number 209024848, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Tierra Williams prescribe under Medicare Part D?

In 2024, Tierra Williams had 1,130 Medicare Part D claims for 104 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.