Dr. David B. Blalock, MD
- Medicare services, 2024
- 28,220
- Medicare patients, 2024
- 773
- Part D claims, 2024
- 1,223
- Hospital affiliations
- 2
- Industry payments
- $568
- Practice address
- 129 N Washington St, Sumter, SC 29150
- Practice phone
- Call (803) 774-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Blalock's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David B. Blalock is an internist in Sumter, South Carolina
Dr. Blalock practices at Prisma Health Tuomey Hospital in Sumter, South Carolina, part of Prisma Health.
Dr. Blalock's NPI, 1477591865, was assigned on June 4, 2006. Dr. Blalock graduated from Ohio State University College of Medicine in 1991. Dr. Blalock holds South Carolina license 17576.
- NPI
- 1477591865NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658408042
- NPI enumeration date
- June 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (803) 774-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David B. Blalock practices at Prisma Health Tuomey Hospital in Sumter, South Carolina
Dr. Blalock's primary practice is Prisma Health Tuomey Hospital, at 129 N Washington St, Sumter, SC 29150 in Sumter County. The practice phone is (803) 774-8900.
- Prisma Health Tuomey Hospital129 N Washington St, Sumter, SC 29150 · Sumter CountyPhone(803) 774-8900
Source: Dmand AI Affiliation Data
Dr. David B. Blalock is affiliated with 5 sites of care and 4 medical groups
Dr. Blalock's primary practice is Prisma Health Tuomey Hospital in Sumter, South Carolina, part of Prisma Health. Dr. Blalock is also affiliated with MUSC Health Florence Medical Center. The medical group on file is MUSC Community Physicians. Dmand AI also links Dr. Blalock to 3 more medical groups, 2 group practices and clinics and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David B. Blalock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blalock practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Tuomey Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. David B. Blalock is one of 1,707 internists in South Carolina
Internal medicine is Dr. Blalock's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Blalock is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Blalock
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David B. Blalock billed Medicare for 28,220 services in 2024
CMS data shows 28,220 Medicare services from Dr. Blalock across 16 procedure codes in 2024, for 773 Medicare patients. Medicare paid $1,661,740 for them.
Dr. Blalock's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,6972024: 26,971900%
- Other services
- 2023: 332024: 1,2233606%
- Tests and treatments
- 2023: 02024: 26
Where Dr. Blalock's Medicare services took place, 2024
- In an office28,03699%
- In a facility1841%
Dr. Blalock compared with the South Carolina median for internists, 2024
- Dr. Blalock
- South Carolina median
- Medicare services
- 28,220vs 74038.1 times
- Medicare patients
- 773vs 2583.0 times
- Part D claims
- 747vs 3312.3 times
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Blalock's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Blalock?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Blalock and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David B. Blalock treated 773 Medicare patients in 2024, average age 76
CMS counts 773 Medicare patients who saw Dr. Blalock in 2024. The largest group is 75 to 84, with 291 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 3.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Blalock's median patient age at 68, with 55% women.
Dr. Blalock's Medicare patients by age, 2024
Dr. Blalock's Medicare patients by sex, 2024
- Women49965%
- Men27435%
Chronic conditions among Dr. Blalock's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease59%
- Diabetes58%
- Heart failure54%
- Mood disorders49%
- Depression48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blalock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David B. Blalock wrote 1,223 Medicare Part D claims in 2024
In 2024, Dr. Blalock wrote 1,223 Medicare Part D claims for 382 patients. 88% of them were for generic drugs. CMS names the drug for 747 of them, across 30 drugs with 11 or more claims each, at $21,440 in total drug cost. In 2023, CMS named 252 claims across 15 drugs.
Dr. Blalock's Part D claims by kind of drug, 2024
- Generic1,071 claims88%
- Brand-name and other152 claims12%
Dr. Blalock's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Blalock's Part D claims, 2024
- Opioids11%137 of 1,223 claims
- Antibiotics9%111 of 1,223 claims
- Antipsychotics, patients 65 and over2%24 of 1,223 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2522024: 747196%
Drugs named by CMS: 30 in 2024, 15 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. David B. Blalock offers telehealth to Medicare patients
Dr. Blalock accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Blalock as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David B. Blalock received $568 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Blalock from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $246.
General payments to Dr. Blalock by program year, 2016 to 2025
Companies that paid Dr. Blalock the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David B. Blalock graduated from Ohio State University College of Medicine
Dr. Blalock graduated from Ohio State University College of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David B. Blalock's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David B. Blalock
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David B. Blalock's NPI number?
Dr. David B. Blalock's NPI number is 1477591865. It was assigned on June 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David B. Blalock?
Dr. David B. Blalock is an internist in Sumter, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David B. Blalock practice?
Dr. Blalock practices at 129 N Washington St, Sumter, SC 29150. Dr. Blalock's primary practice is Prisma Health Tuomey Hospital in Sumter, South Carolina, part of Prisma Health. Dmand AI also links Dr. Blalock to 3 medical groups, 2 group practices and clinics and 1 home health agency.
What is Dr. David B. Blalock's office phone number?
The practice phone on file for Dr. Blalock is (803) 774-8900.
What is Dr. David B. Blalock's medical license number?
Dr. Blalock holds South Carolina license 17576.
Which hospitals is Dr. David B. Blalock affiliated with?
Dr. Blalock practices at Prisma Health Tuomey Hospital in Sumter, South Carolina. Dr. Blalock is also affiliated with MUSC Health Florence Medical Center.
What medical group is Dr. David B. Blalock part of?
Dr. Blalock is linked to MUSC Community Physicians. Dmand AI links Dr. Blalock to 3 more medical groups.
Does Dr. David B. Blalock accept Medicare?
Yes. CMS data shows Dr. Blalock billed Medicare for 28,220 services in 2024, and Dr. Blalock accepts Medicare assignment.
Does Dr. David B. Blalock offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Blalock as offering telehealth services.
How many Medicare patients does Dr. David B. Blalock see?
CMS counts 773 Medicare patients who saw Dr. Blalock in 2024, with an average age of 76.
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What services does Dr. David B. Blalock bill to Medicare?
In 2024, Dr. Blalock's most billed Medicare services were care management and other visits (99489), care management and other visits (99487) and office visit, established patient (99214).
Where did Dr. David B. Blalock go to medical school?
Dr. Blalock graduated from Ohio State University College of Medicine in 1991.
What drugs does Dr. David B. Blalock prescribe most?
In 2024 Medicare Part D data, Dr. Blalock's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Amlodipine Besylate.
Has Dr. David B. Blalock received payments from drug or device companies?
CMS Open Payments shows $568 in general payments to Dr. Blalock from 11 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. David B. Blalock been practicing?
Dr. Blalock graduated from medical school in 1991, 35 years ago.
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