Dr. Joseph Michael Hartzog, MD
- Medicare services, 2024
- 89
- Medicare patients, 2024
- 82
- Part D claims, 2023
- 24
- Hospital affiliations
- 2
- Industry payments
- $214
- Practice address
- One St Francis Dr, Greenville, SC 29601
- Practice phone
- Call (800) 805-5678
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hartzog'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. Joseph Michael Hartzog is an emergency medicine physician in Greenville, South Carolina
Dr. Hartzog practices at Bon Secours St. Francis Downtown in Greenville, South Carolina, part of Bon Secours Mercy Health.
Dr. Hartzog's NPI, 1003912163, was assigned on September 16, 2006. Dr. Hartzog graduated from West Virginia University School of Medicine in 1993. Dr. Hartzog holds South Carolina license 33896.
- NPI
- 1003912163NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678533015
- NPI enumeration date
- September 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 805-5678
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Michael Hartzog practices at 2 locations in Greenville, South Carolina
Dr. Hartzog's primary practice is Bon Secours St. Francis Downtown, at One St Francis Dr, Greenville, SC 29601 in Greenville County. The practice phone is (800) 805-5678. Dr. Hartzog also practices at St Francis - Downtown, 1 St Francis Dr, Greenville, SC 29601.
- Bon Secours St. Francis DowntownPrimaryOne St Francis Dr, Greenville, SC 29601 · Greenville CountyPhone(800) 805-5678
- St Francis - Downtown1 St Francis Dr, Greenville, SC 29601 · Greenville CountyPhone(864) 255-1000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Joseph Michael Hartzog is affiliated with 2 sites of care and 7 medical groups
Dr. Hartzog's primary practice is Bon Secours St. Francis Downtown in Greenville, South Carolina, part of Bon Secours Mercy Health. Dr. Hartzog is also affiliated with AnMed Medical Center. The medical group on file is Bon Secours Medical Group Greenville Specialty Care. Dmand AI also links Dr. Hartzog to 6 more medical groups, 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. Joseph Michael Hartzog's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hartzog practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bon Secours St. Francis Downtown | Available with a free account |
| +1 more site and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph Michael Hartzog is one of 1,026 emergency medicine physicians in South Carolina
Emergency medicine is Dr. Hartzog's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Hartzog's licenses on file in 2 states: South Carolina and West Virginia.
Specialties and state licenses
- Emergency medicine, South CarolinaPrimary
- General practice, West Virginia
Emergency medicine physicians near Dr. Hartzog
Counts of emergency medicine physicians 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. Joseph Michael Hartzog billed Medicare for 89 services in 2024
CMS data shows 89 Medicare services from Dr. Hartzog across 4 procedure codes in 2024, for 82 Medicare patients. Medicare paid $9,877 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hartzog's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2022024: 5971%
- Surgery
- 2023: 452024: 3033%
Dr. Hartzog compared with the South Carolina median for emergency medicine physicians, 2024
- Dr. Hartzog
- South Carolina median
- Medicare services
- 89vs 36175% below
- Medicare patients
- 82vs 32475% below
- Part D claims
- 24vs 10778% below
Medians across 1,019 emergency medicine physicians in South Carolina with Dmand AI profiles that report each measure.
Dr. Hartzog'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hartzog and other emergency medicine physicians in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Michael Hartzog treated 82 Medicare patients in 2024, average age 76
CMS counts 82 Medicare patients who saw Dr. Hartzog in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.25, 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. Hartzog's median patient age at 71, with 52% women.
Dr. Hartzog's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hartzog's Medicare patients by sex, 2024
- Women3948%
- Men4352%
Chronic conditions among Dr. Hartzog's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease67%
- Heart failure62%
- Chronic kidney disease59%
- Arthritis56%
- Atrial fibrillation51%
- Mood disorders51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hartzog's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph Michael Hartzog wrote 24 Medicare Part D claims in 2023
In 2023, Dr. Hartzog wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $147 in total drug cost. In 2022, CMS named 219 claims across 12 drugs.
Dr. Hartzog's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2192023: 2489%
Drugs named by CMS: 2 in 2023, 12 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Joseph Michael Hartzog takes part in Medicare
Dr. Hartzog 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)
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Dr. Joseph Michael Hartzog received $214 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Hartzog from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Ambu Inc. paid the most, $174.
General payments to Dr. Hartzog by program year, 2018 to 2025
Companies that paid Dr. Hartzog the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Michael Hartzog graduated from West Virginia University School of Medicine
Dr. Hartzog graduated from West Virginia University School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Michael Hartzog'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 DataDmand AI Practice 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) |
| 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. Joseph Michael Hartzog
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. Joseph Michael Hartzog's NPI number?
Dr. Joseph Michael Hartzog's NPI number is 1003912163. It was assigned on September 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Michael Hartzog?
Dr. Joseph Michael Hartzog is an emergency medicine physician in Greenville, South Carolina. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Joseph Michael Hartzog practice?
Dr. Hartzog practices at One St Francis Dr, Greenville, SC 29601. Dr. Hartzog also practices at 1 St Francis Dr, Greenville, SC 29601. Dr. Hartzog's primary practice is Bon Secours St. Francis Downtown in Greenville, South Carolina, part of Bon Secours Mercy Health. Dmand AI also links Dr. Hartzog to 6 medical groups.
What is Dr. Joseph Michael Hartzog's office phone number?
The practice phone on file for Dr. Hartzog is (800) 805-5678.
What is Dr. Joseph Michael Hartzog's medical license number?
Dr. Hartzog holds South Carolina license 33896, one of the licenses on file in 2 states.
Which states has Dr. Joseph Michael Hartzog been licensed in?
Dmand AI has state licenses on file for Dr. Hartzog in South Carolina and West Virginia.
Which hospitals is Dr. Joseph Michael Hartzog affiliated with?
Dr. Hartzog practices at Bon Secours St. Francis Downtown in Greenville, South Carolina. Dr. Hartzog is also affiliated with AnMed Medical Center.
What medical group is Dr. Joseph Michael Hartzog part of?
Dr. Hartzog is linked to Bon Secours Medical Group Greenville Specialty Care. Dmand AI links Dr. Hartzog to 6 more medical groups.
Does Dr. Joseph Michael Hartzog accept Medicare?
Yes. CMS data shows Dr. Hartzog billed Medicare for 89 services in 2024, and Dr. Hartzog accepts Medicare assignment.
How many Medicare patients does Dr. Joseph Michael Hartzog see?
CMS counts 82 Medicare patients who saw Dr. Hartzog in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Joseph Michael Hartzog bill to Medicare?
In 2024, Dr. Hartzog's most billed Medicare services were critical care (99291), hospital inpatient care (99223) and surgery: heart and blood vessels (36620).
Where did Dr. Joseph Michael Hartzog go to medical school?
Dr. Hartzog graduated from West Virginia University School of Medicine in 1993.
What drugs does Dr. Joseph Michael Hartzog prescribe most?
In 2023 Medicare Part D data, Dr. Hartzog's most prescribed drugs by claims were Prednisone and Dicyclomine HCl.
Has Dr. Joseph Michael Hartzog received payments from drug or device companies?
CMS Open Payments shows $214 in general payments to Dr. Hartzog from 3 companies from 2018 to 2025. The largest total came from Ambu Inc.
How long has Dr. Joseph Michael Hartzog been practicing?
Dr. Hartzog graduated from medical school in 1993, 33 years ago.
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