Physician Profile
Shirley A. Williams, M.D. is a healthcare provider in Flower Mound, TX specializing in cardiovascular disease. Shirley trained at University of Iowa, Rj & L Carver College of Medicine, graduating in 1977. According to Medicare claims data, Shirley cared for 3,387 Medicare patients across 4,095 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1000 FLOWER MOUND RD
Flower Mound, TX 75028
614 S Edmonds Ln Ste 101
Lewisville, TX 75067
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
4,095 services · 3,387 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
33 | Less often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
808 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
409 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
378 | More often than most peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
173 | More often than most peers in Cardiovascular Disease |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
116 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
44 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
32 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
27 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | Treatment | 93351 |
24 | As often as other peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Shirley A. Williams is a cardiologist in Flower Mound, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Shirley A. Williams is listed at 1000 Flower Mound Rd, Flower Mound, TX 75028. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (972) 434-1988. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Shirley A. Williams's National Provider Identifier is 1346298304. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Shirley A. Williams attended University of Iowa, Rj & L Carver College of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
Shirley A. Williams has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Shirley A. Williams performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Shirley A. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.