Doctor profile · Federal record
Dr. David Blalock, MD
Internal Medicine Physician (CMS: Hospitalist) · Columbia, SC
- NPI 1477591865
- Accepts Medicare
- 35 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
Sc House Calls INC, 111 Doctors Circle
Columbia, SC 29203
(800) 491-0909
fax (803) 774-9113
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 17, 2023
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- South Carolina #17576
- Medicaid (2)
- SC #T15833 · SC #GP1830
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477591865. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,730
Distinct HCPCS
10
Medicare allowed
$216,358
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99489 |
Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month | 1,276 | 127 | $66 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 577 | 217 | $75 | |
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 241 | 209 | $121 | |
99487 |
Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month | 200 | 128 | $124 | |
99238 |
Hospital discharge day management, 30 minutes or less | 147 | 141 | $76 | |
99497 |
Advance care planning, first 30 minutes | 114 | 112 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 68 | 63 | $122 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 46 | 23 | $44 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 28 | 25 | $59 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 21 | 21 | $121 |
In context: peer comparison
Among 57 peers in Columbia Internal Medicine Physician, average services per provider: 697. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$154
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $79.30 | |
| Dynavax Technologies Corporation | 3 | $61.06 | |
| Novavax INC | 1 | $14.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
252
Patients
134
Total drug cost
$9,825
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 31 | 20 | $106 |
| Pantoprazole Sodium | Generic | 30 | 23 | $259 |
| Furosemide | Generic | 22 | 13 | $111 |
| Atorvastatin Calcium | Generic | 20 | 13 | $149 |
| Isosorbide Mononitrate ER (Isosorbide Mononitrate) | Brand | 18 | 0 | $277 |
| Losartan Potassium | Generic | 16 | 12 | $120 |
| Prednisone | Generic | 15 | 15 | $206 |
| Eliquis (Apixaban) | Brand | 14 | 13 | $7,866 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $156 |
| Carvedilol | Generic | 13 | 0 | $61 |
Frequently asked questions
What is Dr. David Blalock's medical specialty?
Dr. David Blalock practices Internal Medicine Physician in Columbia, SC.
Where does Dr. David Blalock practice?
Dr. David Blalock practices at Sc House Calls INC, Columbia, SC 29203. Office phone: 8004910909.
What is Dr. David Blalock's NPI?
Dr. David Blalock's National Provider Identifier (NPI) is 1477591865, issued by NPPES.
Does Dr. David Blalock accept Medicare assignment?
Yes. Dr. David Blalock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Blalock commonly perform?
Top Medicare-reported procedures in 2023: Complex chronic care management services for two or more chronic conditions (HCPCS 99489); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349). Source: CMS Medicare Physician & Other Practitioners file.