Doctor profile · Federal record
Dr. Diana Westerfield, D.O.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Saint Peters, MO
- NPI 1962440883
- Accepts Medicare
- 34 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10 Hospital Dr Ste 100
Saint Peters, MO 633761659
(636) 916-7272
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- May 19, 2021
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Missouri #118402
- Medicaid
- MO #243969409
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962440883. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,659
Distinct HCPCS
10
Medicare allowed
$113,381
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 600 | 380 | $124 | |
93296 |
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 177 | 74 | $22 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 175 | 73 | $29 | |
93227 |
Electrocardiogram (ecg) 2-day continuous with review by health care professional | 103 | 103 | $18 | |
93016 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 84 | 83 | $20 | |
93228 |
Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional | 70 | 69 | $24 | |
93272 |
Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional | 59 | 58 | $23 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 57 | 52 | $14 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 46 | $77 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 49 | 48 | $13 |
In context: peer comparison
Among 4 peers in Saint Peters Cardiovascular Disease Physician, average services per provider: 90. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$1,890
Transactions
23
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 16 | $1,657.74 | |
| Edwards Lifesciences Corporation | 2 | $158.53 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $28.71 | |
| Pfizer INC. | 1 | $15.73 | |
| Amgen INC. | 1 | $15.45 | |
| Kestra Medical Technology Services, INC. | 1 | $13.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,009
Patients
1,429
Total drug cost
$1,056,752
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 685 | 151 | $786,139 |
| Atorvastatin Calcium | Generic | 617 | 186 | $7,263 |
| Metoprolol Succinate | Generic | 548 | 168 | $10,655 |
| Metoprolol Tartrate | Generic | 524 | 150 | $4,497 |
| Lisinopril | Generic | 497 | 139 | $4,198 |
| Amlodipine Besylate | Generic | 366 | 102 | $2,610 |
| Carvedilol | Generic | 316 | 98 | $3,395 |
| Rosuvastatin Calcium | Generic | 278 | 84 | $4,301 |
| Losartan Potassium | Generic | 266 | 82 | $3,627 |
| Furosemide | Generic | 196 | 66 | $1,313 |
Hospital affiliations
Frequently asked questions
What is Dr. Diana Westerfield's medical specialty?
Dr. Diana Westerfield practices Cardiovascular Disease Physician in Saint Peters, MO.
Where does Dr. Diana Westerfield practice?
Dr. Diana Westerfield practices at 10 Hospital Dr Ste 100, Saint Peters, MO 633761659. Office phone: 6369167272.
What is Dr. Diana Westerfield's NPI?
Dr. Diana Westerfield's National Provider Identifier (NPI) is 1962440883, issued by NPPES.
Does Dr. Diana Westerfield accept Medicare assignment?
Yes. Dr. Diana Westerfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Westerfield commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296); Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS 93294). Source: CMS Medicare Physician & Other Practitioners file.