Dr. Marcus E. Blackstone, MD
- Medicare services, 2022
- 248
- Part D claims, 2021
- 110
- Industry payments
- $1,959
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 404 Se Main St, Simpsonville, SC 29681-2652
- Practice phone
- Call (864) 228-1168
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mccraw Family Medicine
Primary care practice · Simpsonville, South Carolina
Find Dr. Blackstone'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. Marcus E. Blackstone is an internist in Greenville, South Carolina
Dr. Blackstone practices at Mccraw Family Medicine in Simpsonville, South Carolina.
Dr. Blackstone's NPI, 1366453458, was assigned on August 11, 2006. Dr. Blackstone graduated from University of South Carolina School of Medicine in 1995. Dr. Blackstone holds South Carolina license 18747.
- NPI
- 1366453458NPI Registry (opens in a new tab)
- NPI enumeration date
- August 11, 2006
- NPI status
- Active
- Practice phone
- (864) 228-1168
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marcus E. Blackstone practices in Simpsonville and Greenville
Dr. Blackstone's primary practice is Mccraw Family Medicine, at 404 Se Main St, Simpsonville, SC 29681-2652. The practice phone is (864) 228-1168. The NPI Registry lists Dr. Blackstone's practice address as 125 Commonwealth Dr, Greenville, SC 29615.
- Mccraw Family MedicinePrimary404 Se Main St, Simpsonville, SC 29681-2652Phone(864) 228-1168
- NPI Registry address125 Commonwealth Dr, Greenville, SC 29615 · Greenville CountyPhone(864) 963-8002
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Marcus E. Blackstone is affiliated with 1 site of care and 1 medical group
Dr. Blackstone's primary practice is Mccraw Family Medicine in Simpsonville, South Carolina. The medical group on file is Bon Secours Covenant Primary Care.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Marcus E. Blackstone's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blackstone practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mccraw Family Medicine | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marcus E. Blackstone is one of 1,707 internists in South Carolina
Internal medicine is Dr. Blackstone's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Blackstone is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Blackstone
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. Marcus E. Blackstone billed Medicare for 248 services in 2022
CMS data shows 248 Medicare services from Dr. Blackstone across 2 procedure codes in 2022. Medicare paid $3,188 for them. Every service was in an office.
Dr. Blackstone's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 4,1092022: 22295%
- Other services
- 2021: 11,0272022: 26100%
- Tests and treatments
- 2021: 3,0222022: 0100%
Dr. Blackstone compared with the South Carolina median for internists, 2022
- Dr. Blackstone
- South Carolina median
- Medicare services
- 248vs 74066% below
- Part D claims
- 110vs 33167% below
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Blackstone's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Blackstone and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marcus E. Blackstone's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Blackstone's median patient age at 65, with 54% women.
Dr. Blackstone's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Marcus E. Blackstone wrote 110 Medicare Part D claims in 2021
In 2021, Dr. Blackstone wrote 110 Medicare Part D claims. They cover 8 drugs, with $4,250 in total drug cost. In 2020, CMS named 300 claims across 15 drugs.
Dr. Blackstone's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 3002021: 11063%
Drugs named by CMS: 8 in 2021, 15 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Marcus E. Blackstone received $1,959 in industry payments from 2016 to 2023
CMS Open Payments shows 22 general payments to Dr. Blackstone from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,590.
General payments to Dr. Blackstone by program year, 2016 to 2023
Companies that paid Dr. Blackstone the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marcus E. Blackstone graduated from University of South Carolina School of Medicine
Dr. Blackstone graduated from University of South Carolina School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marcus E. Blackstone'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Marcus E. Blackstone
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. Marcus E. Blackstone's NPI number?
Dr. Marcus E. Blackstone's NPI number is 1366453458. It was assigned on August 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marcus E. Blackstone?
Dr. Marcus E. Blackstone is an internist in Greenville, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marcus E. Blackstone practice?
Dr. Blackstone practices at 404 Se Main St, Simpsonville, SC 29681-2652. Dr. Blackstone also practices at 125 Commonwealth Dr, Greenville, SC 29615. Dr. Blackstone's primary practice is Mccraw Family Medicine in Simpsonville, South Carolina.
What is Dr. Marcus E. Blackstone's office phone number?
The practice phone on file for Dr. Blackstone is (864) 228-1168.
What is Dr. Marcus E. Blackstone's medical license number?
Dr. Blackstone holds South Carolina license 18747.
What medical group is Dr. Marcus E. Blackstone part of?
Dr. Blackstone is linked to Bon Secours Covenant Primary Care.
Does Dr. Marcus E. Blackstone accept Medicare?
Yes. CMS data shows Dr. Blackstone billed Medicare for 248 services in 2022.
What services does Dr. Marcus E. Blackstone bill to Medicare?
In 2022, Dr. Blackstone's most billed Medicare services were office visit, established patient (99211) and medical service (0004A).
Where did Dr. Marcus E. Blackstone go to medical school?
Dr. Blackstone graduated from University of South Carolina School of Medicine in 1995.
What drugs does Dr. Marcus E. Blackstone prescribe most?
In 2021 Medicare Part D data, Dr. Blackstone's most prescribed drugs by claims were Lorazepam, Ibuprofen and Omeprazole.
Has Dr. Marcus E. Blackstone received payments from drug or device companies?
CMS Open Payments shows $1,959 in general payments to Dr. Blackstone from 6 companies from 2016 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Marcus E. Blackstone been practicing?
Dr. Blackstone graduated from medical school in 1995, 31 years ago.
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