Active NPI 1891719092 Individual Practitioner Female Practitioner

Dr. Wanika Williams , MD

Internal Medicine • Houston, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Wanika Williams, MD is a certified Internal Medicine practicing in Houston, TX. With approximately 26 years of clinical experience since graduating from Louisiana State University School Of Medicine In New Orleans in 2000, Dr. Williams delivers high-quality medical care to the local community at 929 GESSNER RD STE 2450.

Dr. Williams is affiliated with Wellmed Medical Group Pa and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

929 Gessner Rd Ste 2450

Houston, TX 770242593

Telephone 7134649939

Fax 7134649942

Associated Practice Facility / Clinic

🏢 Primecare Medical Group, Pllc Facility NPI 1902052251

Medicare Profile & Education

Medical School

Louisiana State University School Of Medicine In New Orleans

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Houston, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs +4.8 yrs vs City Avg

City Avg: 21.2 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

1569 Specialists

Practicing in Houston, TX (9538 Statewide)

Telehealth Adoption Rate

20.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

31.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (26 Years) 26 Yrs

Houston Specialty Average (21.2 Years) 21.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	206	105	$184.23	$128.97
99213 Established patient office or other outpatient visit, typically 15 minutes	182	113	$131.08	$91.43
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	78	78	$187.54	$129.96
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	50	44	$81.28	$56.76
G0008 Administration of influenza virus vaccine	36	34	$46.00	$32.75
90653 Vaccine for influenza for injection into muscle	31	31	$106.00	$81.82
93000 Routine ekg using at least 12 leads including interpretation and report	22	22	$21.00	$14.45
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	14	14	$111.00	$68.88
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	11	11	$433.00	$289.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	178	106	$186.87	$128.19
99213 Established patient office or other outpatient visit, typically 15 minutes	147	106	$132.12	$86.43
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	45	45	$189.20	$130.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	21	$83.00	$44.77
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	19	19	$107.16	$75.22
G0008 Administration of influenza virus vaccine	19	19	$45.79	$31.28
93000 Routine ekg using at least 12 leads including interpretation and report	13	12	$21.00	$14.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	128	114	$136.07	$91.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	45	$192.81	$131.07
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	41	41	$192.20	$133.37
G0008 Administration of influenza virus vaccine	20	20	$44.00	$30.30
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	18	18	$100.00	$70.25
93000 Routine ekg using at least 12 leads including interpretation and report	11	11	$21.00	$14.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	96	90	$318.00	$103.90
36415 Insertion of needle into vein for collection of blood sample	62	51	$20.00	$2.94
83036 Hemoglobin A1C level	35	35	$73.00	$10.27
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$193.50	$72.93
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	13	13	$58.50	$7.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	365	187	$318.00	$101.85
36415 Insertion of needle into vein for collection of blood sample	257	158	$20.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	130	102	$207.00	$69.66
83036 Hemoglobin A1C level	112	68	$73.00	$11.75
G0008 Administration of influenza virus vaccine	61	59	$71.00	$19.38
G0009 Administration of pneumococcal vaccine	59	59	$71.00	$19.38
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	54	51	$58.50	$9.40
85610 Blood test, clotting time	45	14	$29.75	$4.64
90662 Influenza vaccine split virus, preservative free	43	41	$47.00	$46.06
82044 Urine microalbumin (protein) analysis	39	38	$21.75	$6.11
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	38	38	$353.71	$111.53
90670 Pneumococcal vaccine for injection into muscle	33	33	$213.00	$198.79
81003 Automated urinalysis test	29	29	$18.50	$2.71
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	26	26	$115.00	$105.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	16	$101.00	$41.15
82947 Blood glucose (sugar) level	19	17	$29.50	$4.75
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	18	18	$36.25	$18.65
71046 X-ray of chest, 2 views	16	16	$60.00	$18.15
90472 Administration of vaccine, each additional vaccine	13	12	$36.00	$12.18
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	11	11	$40.00	$7.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	123	85	$318.00	$102.66
99213 Established patient office or other outpatient visit, typically 15 minutes	89	66	$207.00	$69.65
36415 Insertion of needle into vein for collection of blood sample	37	36	$20.00	$2.94
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	31	29	$58.50	$10.45
G0008 Administration of influenza virus vaccine	29	29	$71.00	$23.10
81003 Automated urinalysis test	25	19	$18.50	$3.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$527.00	$156.90
90662 Influenza vaccine split virus, preservative free	20	20	$47.00	$43.76
71020 X-ray of chest, 2 views, front and side	16	15	$60.50	$15.71
G0009 Administration of pneumococcal vaccine	15	15	$71.00	$22.33
83036 Hemoglobin A1C level	15	14	$73.00	$13.05
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$101.00	$36.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$308.00	$102.95

Medical Specialties & State Licenses

CMS Verified: 2022-09-01

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX R0156

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.

Hospital & Practice Group Affiliations

Wellmed Medical Group Pa

448 Castroville Rd, San Antonio, TX 782075147

Phone: 2104341400

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

16 Associated Practitioners

Renee Dodd , PA-C

Physician Assistant

NPI 1134278609

Physician Assistant (Certified)

Dr. Thu Nguyen , DO

Internal Medicine

NPI 1134480437

Doctor of Osteopathic Medicine (D.O.)

Megan Vardeman , PA-C

Physician Assistant - Medical

NPI 1205246170

Physician Assistant (Certified)

Dr. Nicole Jamison , MD

Internal Medicine

NPI 1235305699

Doctor of Medicine (M.D.)

Dr. Manish Parikh , MD

Internal Medicine

NPI 1275580359

Doctor of Medicine (M.D.)

Robin Landry , PA-C

Physician Assistant

NPI 1336709070

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

16 Historical Events

📍

Updated Practice Location September 01, 2022

Registered at 929 GESSNER RD STE 2450, HOUSTON, TX 770242593 (Tel: 7134649939)

📍

Updated Business Mailing Address September 01, 2022

Registered at 929 GESSNER RD STE 2450, HOUSTON, TX 770242593 (Tel: 7134649939)

📍

Updated Practice Location June 23, 2021

Registered at 2727 W HOLCOMBE BLVD, HOUSTON, TX 770251669 (Tel: 7134420000)

📍

Updated Practice Location May 01, 2020

Registered at 815 WALKER ST, HOUSTON, TX 770025721 (Tel: 7134429345)

📍

Updated Business Mailing Address May 01, 2020

Registered at 11511 SHADOW CREEK PKWY, PEARLAND, TX 775847298 (Tel: 7134420000)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 01, 2020

Internal Medicine (License #R0156 in TX)

📍

Updated Practice Location February 25, 2020

Registered at 915 GESSNER RD STE 100, HOUSTON, TX 770242537 (Tel: 7138309100)

📍

Updated Business Mailing Address February 25, 2020

Registered at 909 FROSTWOOD DR STE 1.100, HOUSTON, TX 770242301 (Tel: 7133386353)

📍

Updated Practice Location January 27, 2020

Registered at 815 WALKER ST, HOUSTON, TX 770025721 (Tel: 7134429345)

📍

Updated Business Mailing Address January 27, 2020

Registered at 11511 SHADOW CREEK PKWY, PEARLAND, TX 775847298 (Tel: 7134420000)

✅

NPI Profile Active January 04, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location January 04, 2017

Registered at 1670 CLAIRMONT RD, DECATUR, GA 300334004 (Tel: 4043216111)

📍

Updated Business Mailing Address January 04, 2017

Registered at 1670 CLAIRMONT RD, DECATUR, GA 300334004 (Tel: 4043216111)

👤

Provider Name / Credentials Updated January 04, 2017

Recorded as WANIKA WILLIAMS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 04, 2017

Internal Medicine (License #055355 in GA)

🟢

Initial NPI Registration & Enumeration July 27, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1891719092

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 27, 2006

Last Update: September 01, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

929 Gessner Rd Ste 2450

Houston, TX 770242593

Phone: 7134649939

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.