WANIKA WILLIAMS M.D.
NPI 1891719092
Internal Medicine in Houston, TX

Active since July 27, 2006Opted out of Medicare · through Oct 1, 2028
929 GESSNER RD STE 2450, HOUSTON, TX 77024(713) 464-9939(713) 464-9942 Get Directions Write a Review

NPPES record last updated: September 1, 2022. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 1, 2022, Jun 23, 2021, Feb 25, 2020 and 2 more (5 updates tracked since 2017).

About Wanika Williams M.d. NPPES

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

WANIKA WILLIAMS M.D. (NPI 1891719092) is an individual internal medicine provider in Houston, Texas, licensed in Texas (R0156) and active in the NPI registry since July 2006. She has opted out of Medicare through October 1, 2028 and remains eligible to order and refer, is affiliated with Memorial Hermann Memorial City Hospital, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2000).

NPPES Registry Identity

NPI1891719092
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameWANIKA WILLIAMSCredential: M.D.
Location Address929 GESSNER RD STE 2450Houston, TX 77024-2593
Mailing Address929 Gessner Rd Ste 2450Houston, TX 77024-2593 · (713) 464-9939 · Fax (713) 464-9942
Fax(713) 464-9942
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2000
Enumeration DateJuly 27, 2006
Last NPPES UpdateSeptember 1, 20225 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2022
NPI 1891719092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · R0156
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
929 GESSNER RD STE 2450, Houston, TX 77024

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Wanika Williams M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2026 through October 1, 2028.

Opt-Out Effective DateOctober 1, 2026
Opt-Out In Effect ThroughOctober 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims 9

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
206 services105 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
182 services113 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
78 services78 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
50 services44 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
36 services34 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
31 services31 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77024 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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 6

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

Internal Medicine
929 GESSNER RD STE 2450
HOUSTON, TX 77024
Physician Assistant
929 GESSNER RD STE 2450
HOUSTON, TX 77024
Dietitian, Registered
929 GESSNER RD STE 2450
HOUSTON, TX 77024
Physician Assistant
929 GESSNER RD STE 2450
HOUSTON, TX 77024
Physician Assistant
929 GESSNER RD STE 2450
HOUSTON, TX 77024
Internal Medicine
929 GESSNER RD STE 2450
HOUSTON, TX 77024

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 Wanika Williams's NPI number?

The NPI number for Wanika Williams is 1891719092. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Wanika Williams located?

Wanika Williams practices at 929 Gessner Rd Ste 2450, Houston, TX 77024. The listed phone number is (713) 464-9939.

What is Wanika Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Wanika Williams enrolled in Medicare?

No. Wanika Williams has opted out of Medicare through October 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Is Wanika Williams affiliated with any hospitals?

According to CMS data, Wanika Williams is affiliated with Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for Wanika Williams was last updated on September 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.