1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Internal Medicine
  6. NPI Profile

DR. DOMINIQUE ST CROIX WILLIAMS MD
NPI 1194089334
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since July 03, 2012PECOS EnrolledAccepts Medicare Assignment
84.05/100
CMS Quality Rating
1504 TAUB LOOP, HOUSTON, TX 77030(713) 873-8890 Get Directions Write a Review

NPPES record last updated: August 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 17, 2025, Mar 27, 2025, Nov 16, 2021 and 3 more (6 updates tracked since 2015).

About Dr. Dominique St Croix Williams Md NPPES

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

DR. DOMINIQUE ST CROIX WILLIAMS MD (NPI 1194089334) is an individual cardiovascular disease provider in Houston, Texas, licensed in Texas (T6412) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1194089334
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDR. DOMINIQUE ST CROIX WILLIAMSCredential: MD
Location Address1504 TAUB LOOPHouston, TX 77030-1608
Mailing Address1 Baylor PlzHouston, TX 77030-3411 · (713) 798-1750 · Fax (314) 362-4278
Phone(713) 873-8890
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 3, 2012
Last NPPES UpdateAugust 17, 20256 updates tracked since enumeration
NPPES CertifiedAugust 17, 2025
✔ NPI 1194089334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses✔ Licensed in TX · T6412✔ Licensed in MO · 2015013380
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 2015013380 (MO), T6412 (TX)
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 346228 (LA)
1504 TAUB LOOP, Houston, TX 77030
Open in Google Maps ↗

Secondary Practice Locations 2

Location 14921 Parkview Pl, Div IM Cardiology, Ste 8ASaint Louis, MO 63110-1032 · Phone (314) 362-1291 · Fax (314) 362-4278
Location 22820 Napoleon AveNew Orleans, LA 70115-6969 · Phone (504) 842-4000

Other Identifiers 1

Medicaid200021788MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Texas, Community Health Choice and more.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

Dr. Dominique St Croix Williams Md 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 ID6305075623
PECOS Enrollment IDI20250730000023
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 4

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
146 services125 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
113 services111 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
22 services19 patients
Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227
An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Ochsner Medical Center Acute

Acute Care Hospitals · New Orleans, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190036
Location1516 Jefferson HwyNew Orleans, LA 70121 · Jefferson County
Emergency services Birthing friendly

Ochsner Medical Center-Kenner

Acute Care Hospitals · Kenner, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190274
Location180 West Esplanade AvenueKenner, LA 70065 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.05/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.49
Improvement Activities40
Cost54.39

Other Providers at the Same Location NPPES 20

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

ZAVEN SARGSYAN MD
Internal Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-8890
KAYE-ANN ANTONETTE CHRISTIE PA-C
Physician Assistant
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-2000
EMILY MARIE WEBSTER PA-C
Physician Assistant
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-8890
DR. MIGUEL A NIETO D.O.
Emergency Medicine
1504 TAUB LOOP, EMERGENCY CENTER
HOUSTON, TX 77030
Harris County (713) 873-7045
DR. LOUIS BRUNO FORNAGE MD
Emergency Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-3060
EMMA NAPOLI
Internal Medicine (Infectious Disease)
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-2309
DR. MICHELE TROUTMAN GIFFORD MD
Obstetrics & Gynecology
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 798-1750
DR. KYLE SUEN M.D.
Emergency Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Harris County (713) 873-8890

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 Dominique Williams's NPI number?

The NPI number for Dominique Williams is 1194089334. It was assigned to this individual provider in the NPPES registry on July 3, 2012.

Where is Dominique Williams located?

Dominique Williams practices at 1504 Taub Loop, Houston, TX 77030. The listed phone number is (713) 873-8890.

What is Dominique Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Dominique Williams enrolled in Medicare?

Yes. Dominique 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 Dominique Williams accept?

Health plans from Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Texas, Community Health Choice, HMO Louisiana and Molina Healthcare list Dominique 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.

Is Dominique Williams affiliated with any hospitals?

According to CMS data, Dominique Williams is affiliated with Ochsner Medical Center Acute and Ochsner Medical Center-Kenner.

When was this NPI record last updated?

The NPPES record for Dominique Williams was last updated on August 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.