Doctor profile · Federal record
Dr. Margaret Sullivan, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Ennis, TX
- NPI 1134330178
- Accepts Medicare
- MIPS 98.0 / 100 · 2023
- 22 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
802 W Lampasas St
Ennis, TX 751194536
(972) 875-4700 - Mailing address
-
330 Seven Springs Way
Brentwood, TN 370275098
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- August 16, 2017
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Texas #N5421
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134330178. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,360
Distinct HCPCS
10
Medicare allowed
$123,291
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 391 | 264 | $122 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 307 | 284 | $14 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 118 | 83 | $171 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 108 | 104 | $187 | |
Q9956 |
Injection, octafluoropropane microspheres, per ml | 91 | 31 | $35 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 34 | 33 | $66 | |
93320 |
Ultrasound of heart blood flow, valves and chambers | 28 | 28 | $47 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 28 | 28 | $22 | |
93351 |
Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | 28 | 28 | $223 | |
93280 |
Programming of dual lead pacemaker system | 27 | 20 | $42 |
In context: peer comparison
Among 1 peers in Ennis Cardiovascular Disease Physician, average services per provider: 71. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$217
Transactions
12
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 4 | $67.60 | |
| Merck Sharp & Dohme LLC | 2 | $40.30 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $36.96 | |
| Scpharmaceuticals INC. | 1 | $25.77 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $17.17 | |
| Boston Scientific Corporation | 1 | $16.62 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 1 | $12.28 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,947
Patients
624
Total drug cost
$742,971
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 391 | 85 | $2,098 |
| Metoprolol Succinate | Generic | 384 | 86 | $4,226 |
| Entresto (Sacubitril/Valsartan) | Brand | 346 | 63 | $310,349 |
| Eliquis (Apixaban) | Brand | 305 | 54 | $247,792 |
| Losartan Potassium | Generic | 252 | 58 | $2,025 |
| Atorvastatin Calcium | Generic | 181 | 49 | $2,802 |
| Carvedilol | Generic | 157 | 39 | $1,344 |
| Ranolazine ER (Ranolazine) | Brand | 150 | 23 | $11,044 |
| Rosuvastatin Calcium | Generic | 145 | 31 | $1,634 |
| Spironolactone | Generic | 130 | 27 | $1,088 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Sullivan's medical specialty?
Dr. Margaret Sullivan practices Cardiovascular Disease Physician in Ennis, TX.
Where does Dr. Margaret Sullivan practice?
Dr. Margaret Sullivan practices at 802 W Lampasas St, Ennis, TX 751194536. Office phone: 9728754700.
What is Dr. Margaret Sullivan's NPI?
Dr. Margaret Sullivan's National Provider Identifier (NPI) is 1134330178, issued by NPPES.
Does Dr. Margaret Sullivan accept Medicare assignment?
Yes. Dr. Margaret Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Sullivan 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 99215). Source: CMS Medicare Physician & Other Practitioners file.