TIERRA WILLIAMS
NPI 1144977935
Nurse Practitioner - Adult Health in Chicago, IL

Active since March 02, 2022PECOS EnrolledAccepts Medicare Assignment
2450 N CENTRAL AVE, CHICAGO, IL 60639(773) 889-1333(847) 221-6942 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 8, 2025, Apr 2, 2024, Apr 5, 2022 and 1 more (4 updates tracked since 2022).

About Tierra Williams NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIERRA WILLIAMS (NPI 1144977935) is an individual adult health provider in Chicago, Illinois, licensed in Illinois (209024848) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1144977935
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameTIERRA WILLIAMS
Location Address2450 N CENTRAL AVEChicago, IL 60639-1316
Mailing Address1025 Charlela Ln Apt 305Elk Grove Village, IL 60007-3258 · (309) 807-6769 · Fax (847) 221-6942
Fax(847) 221-6942
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 2, 2022
Last NPPES UpdateJuly 8, 20254 updates tracked since enumeration
NPPES CertifiedJuly 8, 2025
NPI 1144977935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License Licensed in IL · 209024848
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 209024848 (IL)
2450 N CENTRAL AVE, Chicago, IL 60639

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Tierra Williams is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709273840
PECOS Enrollment IDI20220420001398
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
429 services106 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
361 services75 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
249 services60 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
157 services49 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
106 services67 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
89 services67 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60639 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Skilled Nursing Facility
2450 N CENTRAL AVE
CHICAGO, IL 60639
Skilled Nursing Facility
2450 N CENTRAL AVE
CHICAGO, IL 60639
Skilled Nursing Facility
2450 N CENTRAL AVE
CHICAGO, IL 60639
Durable Medical Equipment & Medical Supplies (Oxygen Equipment & Supplies)
2450 N CENTRAL AVE
CHICAGO, IL 60639
Speech-Language Pathologist
2450 N CENTRAL AVE
CHICAGO, IL 60639
Occupational Therapist
2450 N CENTRAL AVE
CHICAGO, IL 60639
Clinic/Center (Rehabilitation, Substance Use Disorder)
2450 N CENTRAL AVE
CHICAGO, IL 60639

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tierra Williams's NPI number?

The NPI number for Tierra Williams is 1144977935. It was assigned to this individual provider in the NPPES registry on March 2, 2022.

Where is Tierra Williams located?

Tierra Williams practices at 2450 N Central Ave, Chicago, IL 60639. The listed phone number is (773) 889-1333.

What is Tierra Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Tierra Williams enrolled in Medicare?

Yes. Tierra Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Tierra Williams accept?

Health plans from Providence Health Plan list Tierra Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tierra Williams was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.