Doctor profile · Federal record
Dr. William Blalock, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Chattanooga, TN
- NPI 1740254820
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1614 Gunbarrel RD, Suite 101
Chattanooga, TN 37421
(423) 553-7600 - Mailing address
-
Po Box 28345, 1614 Gunbarrel RD Suite 101
Chattanooga, TN 374248345
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Tennessee #21693
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740254820. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,339
Distinct HCPCS
10
Medicare allowed
$82,619
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 254 | 204 | $13 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 136 | 136 | $13 | |
93016 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 133 | 133 | $20 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 130 | 112 | $117 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 115 | 107 | $82 | |
78452 |
Nuclear medicine studies of heart muscle at rest and with stress and spect | 111 | 111 | $71 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 94 | 94 | $65 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 92 | 52 | $111 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 55 | 55 | $73 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $153 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 180. This provider delivers 7.4× the peer median.Open Payments
Industry payments received
All-time total
$2,228
Transactions
85
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 10 | $312.98 | |
| Medtronic, Inc. | 6 | $252.10 | |
| LANTHEUS MEDICAL IMAGING, INC. | 8 | $190.86 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 7 | $178.64 | |
| PFIZER INC. | 10 | $172.59 | |
| Alnylam Pharmaceuticals Inc. | 9 | $164.80 | |
| Philips North America LLC | 6 | $138.54 | |
| Novartis Pharmaceuticals Corporation | 4 | $93.33 | |
| Novo Nordisk Inc | 5 | $80.71 | |
| Kiniksa Pharmaceuticals International, plc | 4 | $77.94 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $60.75 | |
| Janssen Pharmaceuticals, Inc | 4 | $60.23 | |
| Lexicon Pharmaceuticals, Inc. | 3 | $51.65 | |
| AstraZeneca Pharmaceuticals LP | 3 | $45.99 | |
| Actelion Pharmaceuticals US, Inc. | 2 | $43.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,343
Patients
433
Total drug cost
$206,947
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Tartrate | Generic | 157 | 46 | $1,069 |
| Carvedilol | Generic | 132 | 44 | $1,338 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 118 | 32 | $2,450 |
| Metoprolol Succinate | Generic | 116 | 36 | $2,742 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 106 | 35 | $1,529 |
| Atorvastatin Calcium | Generic | 91 | 28 | $1,532 |
| Nitroglycerin | Generic | 91 | 65 | $1,321 |
| Eliquis (Apixaban) | Brand | 85 | 22 | $78,523 |
| Lisinopril | Generic | 81 | 26 | $390 |
| Amlodipine Besylate | Generic | 77 | 25 | $672 |
Hospital affiliations
Frequently asked questions
What is Dr. William Blalock's medical specialty?
Dr. William Blalock practices Cardiovascular Disease Physician in Chattanooga, TN.
Where does Dr. William Blalock practice?
Dr. William Blalock practices at 1614 Gunbarrel RD, Chattanooga, TN 37421. Office phone: 4235537600.
What is Dr. William Blalock's NPI?
Dr. William Blalock's National Provider Identifier (NPI) is 1740254820, issued by NPPES.
Does Dr. William Blalock accept Medicare assignment?
Yes. Dr. William Blalock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Blalock commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (HCPCS 93018); Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (HCPCS 93016). Source: CMS Medicare Physician & Other Practitioners file.