Jack B. Sizemore, PA
- Medicare patients, 2024
- 632
- Part D claims, 2024
- 269
- Hospital affiliations
- 1
- Industry payments
- $3,548
- Medical group
- 1
- Practice address
- 35 International Dr, Greenville, SC 29615
- Practice phone
- Call (864) 603-6099
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bon Secours Medical Group Greenville Specialty Care
Greenville, South Carolina
Find Jack Sizemore'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.
Jack B. Sizemore is a physician assistant in Greenville, South Carolina
Jack Sizemore practices at Bon Secours Medical Group Greenville Specialty Care in Greenville, South Carolina.
Jack Sizemore's NPI, 1255644126, was assigned on July 21, 2010. Jack Sizemore holds South Carolina license 1549.
- NPI
- 1255644126NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183804552
- NPI enumeration date
- July 21, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 603-6099
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Jack B. Sizemore practices at Bon Secours Medical Group Greenville Specialty Care in Greenville, South Carolina
Jack Sizemore's primary practice is Bon Secours Medical Group Greenville Specialty Care, at 35 International Dr, Greenville, SC 29615 in Greenville County. The practice phone is (864) 603-6099.
- Bon Secours Medical Group Greenville Specialty Care35 International Dr, Greenville, SC 29615 · Greenville CountyPhone(864) 603-6099
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jack B. Sizemore is affiliated with 4 sites of care and 1 medical group
Jack Sizemore's primary practice is Bon Secours Medical Group Greenville Specialty Care in Greenville, South Carolina. Jack Sizemore is also affiliated with Bon Secours St. Francis Downtown. The medical group on file is Bon Secours Medical Group Greenville Specialty Care. Dmand AI also links Jack Sizemore to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Jack B. Sizemore's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jack Sizemore practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bon Secours Medical Group Greenville Specialty Care | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Jack B. Sizemore is one of 1,888 physician assistants in South Carolina
Physician assistant is Jack Sizemore's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jack Sizemore is licensed in South Carolina.
Specialties and state licenses
- Physician assistant, South CarolinaPrimary
Physician assistants near Jack Sizemore
Counts of physician assistants 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
Jack B. Sizemore treated 632 Medicare patients in 2024, average age 75
CMS counts 632 Medicare patients who saw Jack Sizemore in 2024. The largest group is 65 to 74, with 293 patients. 75% of them have arthritis, and 75% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jack Sizemore's median patient age at 74, with 65% women.
Jack Sizemore's Medicare patients by age, 2024
Jack Sizemore's Medicare patients by sex, 2024
- Women39663%
- Men23637%
Chronic conditions among Jack Sizemore's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders29%
- Diabetes26%
- Ischemic heart disease26%
- Anxiety25%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Jack Sizemore's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jack B. Sizemore wrote 269 Medicare Part D claims in 2024
In 2024, Jack Sizemore wrote 269 Medicare Part D claims for 184 patients. 98% of them were for generic drugs.
Jack Sizemore's Part D claims by kind of drug, 2024
- Generic264 claims98%
- Brand-name and other5 claims2%
Drug classes CMS tracks in Jack Sizemore's Part D claims, 2024
- Opioids30%82 of 269 claims
- Antibiotics6%17 of 269 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Jack B. Sizemore takes part in Medicare
Jack Sizemore accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Jack B. Sizemore received $3,548 in industry payments in 2025
CMS Open Payments shows 18 general payments to Jack Sizemore from 1 drug or device company in 2025. Consulting fees make up the largest share, 76% of the total. Stryker Corporation paid the most, $3,548.
General payments to Jack Sizemore by kind, 2025 to 2025
- Consulting fees$2,69576%
- Food and beverage$53415%
- Travel and lodging$3189%
Companies that paid Jack Sizemore the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jack B. Sizemore'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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) |
| 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 Jack B. Sizemore
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jack B. Sizemore's NPI number?
Jack B. Sizemore's NPI number is 1255644126. It was assigned on July 21, 2010, and it is active in the NPI Registry.
What does Jack B. Sizemore specialize in?
Jack B. Sizemore is a physician assistant in Greenville, South Carolina. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jack B. Sizemore practice?
Jack Sizemore practices at 35 International Dr, Greenville, SC 29615. Jack Sizemore's primary practice is Bon Secours Medical Group Greenville Specialty Care in Greenville, South Carolina. Dmand AI also links Jack Sizemore to 1 group practice or clinic and 1 home health agency.
What is Jack B. Sizemore's office phone number?
The practice phone on file for Jack Sizemore is (864) 603-6099.
What is Jack B. Sizemore's medical license number?
Jack Sizemore holds South Carolina license 1549.
Which hospitals is Jack B. Sizemore affiliated with?
Jack Sizemore is affiliated with Bon Secours St. Francis Downtown.
What medical group is Jack B. Sizemore part of?
Jack Sizemore is linked to Bon Secours Medical Group Greenville Specialty Care.
Does Jack B. Sizemore accept Medicare?
Yes. CMS lists Jack Sizemore as accepting Medicare assignment.
How many Medicare patients does Jack B. Sizemore see?
CMS counts 632 Medicare patients who saw Jack Sizemore in 2024, with an average age of 75.
Has Jack B. Sizemore received payments from drug or device companies?
CMS Open Payments shows $3,548 in general payments to Jack Sizemore from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Jack B. Sizemore been practicing?
Jack Sizemore graduated from medical school in 2010, 16 years ago.
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