Dr. Mark Joseph Krzyston, MD
- Medicare services, 2024
- 3,233
- Medicare patients, 2024
- 1,087
- Part D claims, 2024
- 6,261
- MIPS score, 2024
- 80
- Hospital affiliations
- 2
- Practice address
- 3000 St Matthews Rd, Orangeburg, SC 29118
- Practice phone
- Call (803) 395-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MUSC Health Orangeburg Medical Center
Orangeburg, South Carolina
Find Dr. Krzyston'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. Mark Joseph Krzyston is a cardiologist in Orangeburg, South Carolina
Dr. Krzyston practices at MUSC Health Orangeburg Medical Center in Orangeburg, South Carolina.
Dr. Krzyston's NPI, 1508923194, was assigned on January 2, 2007. Dr. Krzyston holds South Carolina license SC12677.
- NPI
- 1508923194NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264574326
- NPI enumeration date
- January 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (803) 395-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Joseph Krzyston practices at MUSC Health Orangeburg Medical Center in Orangeburg, South Carolina
Dr. Krzyston's primary practice is MUSC Health Orangeburg Medical Center, at 3000 St Matthews Rd, Orangeburg, SC 29118 in Orangeburg County. The practice phone is (803) 395-2200.
- MUSC Health Orangeburg Medical Center3000 St Matthews Rd, Orangeburg, SC 29118 · Orangeburg CountyPhone(803) 395-2200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Joseph Krzyston is affiliated with 5 sites of care and 1 medical group
Dr. Krzyston's primary practice is MUSC Health Orangeburg Medical Center in Orangeburg, South Carolina. Dr. Krzyston is also affiliated with MUSC Health University Medical Center. The medical group on file is MUSC Community Physicians. Dmand AI also links Dr. Krzyston to 1 more hospital, 1 physician office and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Joseph Krzyston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Krzyston practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC Health Orangeburg Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Joseph Krzyston is one of 262 cardiologists in South Carolina
Cardiovascular disease is Dr. Krzyston's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Krzyston is licensed in South Carolina.
Specialties and state licenses
- Cardiovascular disease, South CarolinaPrimary
Cardiologists near Dr. Krzyston
Counts of cardiologists 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. Mark Joseph Krzyston billed Medicare for 3,233 services in 2024
CMS data shows 3,233 Medicare services from Dr. Krzyston across 14 procedure codes in 2024, for 1,087 Medicare patients. Medicare paid $94,605 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Krzyston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,6362024: 2,10028%
- Office and hospital visits
- 2023: 9432024: 1,0117%
- Imaging
- 2023: 1072024: 12214%
Dr. Krzyston compared with the South Carolina median for cardiologists, 2024
- Dr. Krzyston
- South Carolina median
- Medicare services
- 3,233vs 2,93010% above
- Medicare patients
- 1,087vs 1,1788% below
- Part D claims
- 5,955vs 2,3802.5 times
Medians across 263 cardiologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Krzyston'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. Krzyston and other cardiologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Joseph Krzyston treated 1,087 Medicare patients in 2024, average age 76
CMS counts 1,087 Medicare patients who saw Dr. Krzyston in 2024. The largest group is 75 to 84, with 423 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.66, 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. Krzyston's median patient age at 71, with 57% women.
Dr. Krzyston's Medicare patients by age, 2024
Dr. Krzyston's Medicare patients by sex, 2024
- Women63358%
- Men45442%
Chronic conditions among Dr. Krzyston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes48%
- Chronic kidney disease35%
- Ischemic heart disease33%
- Atrial fibrillation28%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Krzyston'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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Joseph Krzyston wrote 6,261 Medicare Part D claims in 2024
In 2024, Dr. Krzyston wrote 6,261 Medicare Part D claims for 771 patients. 79% of them were for generic drugs. CMS names the drug for 5,955 of them, across 51 drugs with 11 or more claims each, at $958,235 in total drug cost. In 2023, CMS named 9,637 claims across 76 drugs.
Dr. Krzyston's Part D claims by kind of drug, 2024
- Generic4,937 claims79%
- Brand-name1,324 claims21%
Dr. Krzyston'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,6372024: 5,95538%
Drugs named by CMS: 51 in 2024, 76 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. Mark Joseph Krzyston scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Krzyston for performance year 2024, reported as part of a group. Dr. Krzyston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Krzyston's MIPS scores, performance year 2024
- 80of 100Final score
- 64.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark Joseph Krzyston received $5,808 in industry payments from 2016 to 2023
CMS Open Payments shows 373 general payments to Dr. Krzyston from 37 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 98% of the total. Novartis Pharmaceuticals Corporation paid the most, $652.
General payments to Dr. Krzyston by program year, 2016 to 2023
General payments to Dr. Krzyston by kind, 2016 to 2023
- Food and beverage$5,71598%
- Education$932%
Companies that paid Dr. Krzyston the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark Joseph Krzyston's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Joseph Krzyston
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. Mark Joseph Krzyston's NPI number?
Dr. Mark Joseph Krzyston's NPI number is 1508923194. It was assigned on January 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Joseph Krzyston?
Dr. Mark Joseph Krzyston is a cardiologist in Orangeburg, South Carolina. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Mark Joseph Krzyston practice?
Dr. Krzyston practices at 3000 St Matthews Rd, Orangeburg, SC 29118. Dr. Krzyston's primary practice is MUSC Health Orangeburg Medical Center in Orangeburg, South Carolina. Dmand AI also links Dr. Krzyston to 1 hospital, 1 physician office and 1 home health agency.
What is Dr. Mark Joseph Krzyston's office phone number?
The practice phone on file for Dr. Krzyston is (803) 395-2200.
What is Dr. Mark Joseph Krzyston's medical license number?
Dr. Krzyston holds South Carolina license SC12677.
Which hospitals is Dr. Mark Joseph Krzyston affiliated with?
Dr. Krzyston is affiliated with MUSC Health University Medical Center. Dmand AI links Dr. Krzyston to 1 more hospital.
What medical group is Dr. Mark Joseph Krzyston part of?
Dr. Krzyston is linked to MUSC Community Physicians.
Does Dr. Mark Joseph Krzyston accept Medicare?
Yes. CMS data shows Dr. Krzyston billed Medicare for 3,233 services in 2024, and Dr. Krzyston accepts Medicare assignment.
What is Dr. Mark Joseph Krzyston's MIPS score?
Dr. Krzyston's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark Joseph Krzyston see?
CMS counts 1,087 Medicare patients who saw Dr. Krzyston in 2024, with an average age of 76.
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What services does Dr. Mark Joseph Krzyston bill to Medicare?
In 2024, Dr. Krzyston's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93306).
What drugs does Dr. Mark Joseph Krzyston prescribe most?
In 2024 Medicare Part D data, Dr. Krzyston's most prescribed drugs by claims were Eliquis, Amlodipine Besylate and Metoprolol Succinate.
Has Dr. Mark Joseph Krzyston received payments from drug or device companies?
CMS Open Payments shows $5,808 in general payments to Dr. Krzyston from 37 companies from 2016 to 2023. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Mark Joseph Krzyston been practicing?
Dr. Krzyston graduated from medical school in 1977, 49 years ago.
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