Doctor profile · Federal record
Dr. Shirley Williams, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Flower Mound, TX
- NPI 1346298304
- Accepts Medicare
- MIPS 75.3 / 100 · 2023
- 49 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1000 Flower Mound RD
Flower Mound, TX 750283401
(972) 434-1988 - Additional location
-
614 S Edmonds Ln Ste 101
Lewisville, TX 750673624
fax (972) 436-0351 - Mailing address
-
614 S Edmonds Ln Ste 101
Lewisville, TX 750673624
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- July 27, 2023
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Texas #G7379
- Medicaid
- TX #045220301
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346298304. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,091
Distinct HCPCS
10
Medicare allowed
$324,731
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 989 | 661 | $122 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 798 | 718 | $14 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 414 | 377 | $86 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 390 | 361 | $8 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 379 | 373 | $182 | |
85610 |
Blood test, clotting time | 249 | 35 | $4 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 182 | 182 | $158 | |
93015 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 147 | 147 | $65 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 92 | 58 | $76 | |
93880 |
Ultrasound of both sides of head and neck blood flow | 72 | 71 | $174 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 169. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$1,211
Transactions
61
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 12 | $274.07 | |
| Merck Sharp & Dohme LLC | 11 | $207.35 | |
| E.R. Squibb & Sons, L.L.C. | 13 | $152.94 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 6 | $114.29 | |
| PFIZER INC. | 4 | $103.73 | |
| Lexicon Pharmaceuticals, Inc. | 1 | $88.35 | |
| Esperion Therapeutics, Inc. | 4 | $72.49 | |
| SANOFI-AVENTIS U.S. LLC | 2 | $42.43 | |
| Amgen Inc. | 2 | $33.30 | |
| AstraZeneca Pharmaceuticals LP | 1 | $30.54 | |
| CashFlow Solutions, LLC | 2 | $26.31 | |
| Boston Scientific Corporation | 1 | $25.07 | |
| Philips North America LLC | 1 | $23.47 | |
| SCPHARMACEUTICALS INC. | 1 | $16.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,533
Patients
1,891
Total drug cost
$1,105,938
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 1,076 | 322 | $21,744 |
| Eliquis (Apixaban) | Brand | 756 | 179 | $805,887 |
| Amlodipine Besylate | Generic | 710 | 203 | $5,768 |
| Losartan Potassium | Generic | 531 | 151 | $7,908 |
| Atorvastatin Calcium | Generic | 456 | 137 | $5,476 |
| Metoprolol Tartrate | Generic | 448 | 138 | $4,399 |
| Carvedilol | Generic | 426 | 128 | $5,479 |
| Lisinopril | Generic | 383 | 120 | $3,518 |
| Furosemide | Generic | 365 | 114 | $2,502 |
| Warfarin Sodium | Generic | 283 | 75 | $4,943 |
Hospital affiliations
Frequently asked questions
What is Dr. Shirley Williams's medical specialty?
Dr. Shirley Williams practices Cardiovascular Disease Physician in Flower Mound, TX.
Where does Dr. Shirley Williams practice?
Dr. Shirley Williams practices at 1000 Flower Mound RD, Flower Mound, TX 750283401. Office phone: 9724341988.
What is Dr. Shirley Williams's NPI?
Dr. Shirley Williams's National Provider Identifier (NPI) is 1346298304, issued by NPPES.
Does Dr. Shirley Williams accept Medicare assignment?
Yes. Dr. Shirley Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shirley Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.