David Blalock, MD
Internal Medicine Physician · Columbia, SC
David Blalock, MD is an internal medicine physician with a practice address in Columbia, South Carolina, and NPI 1477591865, issued on Jun 4, 2006. Check the license (South Carolina 17576, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Blalock
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 17576 SC
Self-reported in NPPES; status is on the state search - Practice location
- SC House Calls Inc, Columbia, SC 29203
- Phone
- (800) 491-0909
- Enumerated
- Jun 4, 2006
- Record last updated
- Oct 17, 2023
- Fax
- (803) 774-9113
- Medicaid IDs
- T15833 SC
GP1830 SC - Medicare enrollment
- Enrolled (PECOS I20100415000786); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at SC House Calls Inc
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Baby Ruth Alvarez, APRNNurse Practitioner1295216208
- Umeko Ash, APRNFamily Nurse Practitioner1316719461
- Brittany Bacot, APRNFamily Nurse Practitioner1285078147
- April Barnett, APRNFamily Nurse Practitioner1174238067
- Kathryn Billings, APRNFamily Nurse Practitioner1275097230
- Marc Birkmaier, APRNFamily Nurse Practitioner1205542198
Verify David Blalock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 17576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,223 Medicare Part D claims for 382 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 137 claims were for opioids.
Most prescribed
- Atorvastatin Calcium58 claims
- Gabapentin54 claims
- Amlodipine Besylate41 claims
- Oxycodone-Acetaminophen41 claims
- Losartan Potassium36 claims
- Amoxicillin-Clavulanate Potass35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $154.49
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Musc Community PhysiciansFlorence, SC
- SC House Calls IncWest Columbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Blalock among 1,881 internal medicine physician records in South Carolina
David Blalock, MD is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2006 among the 1,119 with a school on file
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
269 internal medicine physician records list a practice address in Columbia
They are 269 of the 11,200 NPPES records with a practice address in Columbia, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Columbia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gary Bell, M.D.Columbia, SC 292031689640922
- Anthony Elkins, MDColumbia, SC 292031629045505
- James Gasque, MDColumbia, SC 292031255326096
- Brown McCallum, M.D.Columbia, SC 292031124090352
- Kay McFarland, M.D.Columbia, SC 292031205803020
- Fanwei Meng, MDColumbia, SC 292031780650937
- H Murdaugh, M.D.Columbia, SC 292031083680946
- Mieke Perez, MDColumbia, SC 292031881670305
Common questions
What is David Blalock, MD's NPI number?
David Blalock, MD's National Provider Identifier (NPI) is 1477591865, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Blalock, MD located?
The NPPES record lists a practice address at SC House Calls Inc, Columbia, SC, 29203. Phone: (800) 491-0909. Providers update this record themselves, so call before visiting.
How can I verify David Blalock, MD's license?
NPPES lists South Carolina license number 17576, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Blalock, MD prescribe under Medicare Part D?
In 2024, David Blalock, MD had 1,223 Medicare Part D claims for 382 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.