Wanika Williams, M.D.
Internal Medicine Physician · Houston, TX
Wanika Williams, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1891719092, issued on Jul 27, 2006. Check the license (Texas R0156, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wanika Williams
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R0156 TX
Self-reported in NPPES; status is on the state search - Practice location
- 929 Gessner RD Ste 2450, Houston, TX 77024
- Phone
- (713) 464-9939
- Enumerated
- Jul 27, 2006
- Record last updated
- Sep 1, 2022
- Fax
- (713) 464-9942
- Medicare enrollment
- Enrolled (PECOS I20191120000753); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 929 Gessner RD Ste 2450
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robin Landry, PA-CPhysician Assistant1336709070
- Sheau Yuen Lee, RDN, LDRegistered Dietitian1376086249
- Manish Parikh, MDInternal Medicine Physician1275580359
- Elizabeth PaulPhysician Assistant1447806088
- Jeannine Wallace, P.A.-CPhysician Assistant1457378051
Verify Wanika Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R0156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,870 Medicare Part D claims for 342 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium141 claims
- Amlodipine Besylate136 claims
- Levothyroxine Sodium136 claims
- Rosuvastatin Calcium101 claims
- Losartan Potassium94 claims
- Gabapentin86 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
- Wellmed Medical Group PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wanika Williams among 9,175 internal medicine physician records in Texas
Wanika Williams, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2000 · median 2004 among the 6,088 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Saikrishna Aleti, M.D.Houston, TX 770241497770077
- Anna Alquiza, M.D.Houston, TX 770241639177850
- Ann Domask, M.D.Houston, TX 770241790780955
- Ankur Doshi, M.D.Houston, TX 770241659487650
- George Keith, M.D.Houston, TX 770241598748873
- Pratibha Kulkarni, M.D.Houston, TX 770241215972211
- Margaret Lang-Williams, M.D.Houston, TX 770241255389847
- Manish Parikh, MDHouston, TX 770241275580359
Common questions
What is Wanika Williams, M.D.'s NPI number?
Wanika Williams, M.D.'s National Provider Identifier (NPI) is 1891719092, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wanika Williams, M.D. located?
The NPPES record lists a practice address at 929 Gessner RD Ste 2450, Houston, TX, 77024. Phone: (713) 464-9939. Providers update this record themselves, so call before visiting.
How can I verify Wanika Williams, M.D.'s license?
NPPES lists Texas license number R0156, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wanika Williams, M.D. prescribe under Medicare Part D?
In 2024, Wanika Williams, M.D. had 2,870 Medicare Part D claims for 342 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.