TINA IESHA WILLIAMS
NPI 1841998374
Registered Nurse - Gerontology in Merrillville, IN

Active since February 23, 2023PECOS EnrolledAccepts Medicare Assignment
8416 TAFT ST, MERRILLVILLE, IN 46410(219) 750-9010 Get Directions Write a Review

NPPES record last updated: May 4, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 4, 2024, Feb 23, 2023 (2 updates tracked since 2023).

About Tina Iesha Williams NPPES

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

TINA IESHA WILLIAMS (NPI 1841998374) is an individual gerontology provider in Merrillville, Indiana, licensed in Indiana (AG12220078) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1841998374
Entity TypeIndividualFemale
Primary Taxonomy163WG0600X
Provider Legal NameTINA IESHA WILLIAMS
Location Address8416 TAFT STMerrillville, IN 46410-6122
Mailing Address8416 Taft StMerrillville, IN 46410-6122 · (708) 310-9436
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 23, 2023
Last NPPES UpdateMay 4, 20242 updates tracked since enumeration
NPPES CertifiedMay 4, 2024
✔ NPI 1841998374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRegistered Nurse · GerontologyNursing Service Providers
Taxonomy Code163WG0600X
License✔ Licensed in IN · AG12220078
Also ListedRegistered Nurse · General PracticeTaxonomy 163WG0000X · License 28222770A (IN)
Also ListedNurse PractitionerTaxonomy 363L00000X · License 71013750A (IN)
8416 TAFT ST, Merrillville, IN 46410

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tina Iesha 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 ID749636942
PECOS Enrollment IDI20231024003303
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Tina Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vascular & Interventional Radiology
8127 MERRILLVILLE RD STE 1
Merrillville, IN 46410
  • Reassigned Medicare billing, Indiana enrollment
  • 9 clinicians in this Medicare group
Geriatric Medicine
1200 N STATE ROAD 135
Greenwood, IN 46142
  • Reassigned Medicare billing, Indiana enrollment
  • 18 clinicians in this Medicare group
Physical Medicine & Rehabilitation
1300 WINDLASS DR
Middle River, MD 21220
  • Reassigned Medicare billing, Indiana enrollment
  • 13 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.
79 services28 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.
46 services15 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.
43 services17 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.
29 services22 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
12 services12 patients

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 Tina Williams's NPI number?

The NPI number for Tina Williams is 1841998374. It was assigned to this individual provider in the NPPES registry on February 23, 2023.

Where is Tina Williams located?

Tina Williams practices at 8416 Taft St, Merrillville, IN 46410. The listed phone number is (219) 750-9010.

What is Tina Williams's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Gerontology, with taxonomy code 163WG0600X.

Is Tina Williams enrolled in Medicare?

Yes. Tina 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.

Which organizations bill Medicare for Tina Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tina Williams reassigns Medicare benefits to 3 organizations: Modern Vascular And Vein Center LLC (Merrillville, IN), Novenza Practice Group II (Greenwood, IN) and Comprehensive Rehab Consultants PLLC (Middle River, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tina Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tina Williams accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) list Tina 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 Tina Williams was last updated on May 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.