Dr. Mark Joseph Krzyston, MD

  • Orangeburg, SC
  • Cardiologist
NPI1508923194PAC ID2264574326
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
Social profiles

Primary practice

MUSC Health Orangeburg Medical Center

Orangeburg, South Carolina

See all 6 affiliations

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.

View contacts for free

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 and contact details
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 Center
    3000 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.

See all 6 affiliations for Dr. Krzyston

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.

EHR by site
SiteEHR vendor and product
MUSC Health Orangeburg Medical CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Krzyston practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

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 CarolinaPrimaryLicense SC12677 · taxonomy 207RC0000X

Cardiologists near Dr. Krzyston

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

262cardiologists in South Carolina
9cardiologists in Orangeburg

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.

Medicare services, 20243,233
Medicare patients1,087
Paid by Medicare$94,605
Procedure codes14

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.

See all procedures by Dr. Krzyston

Need commercial claims for Dr. Krzyston?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Krzyston and other cardiologists in South Carolina.

Book a meeting

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.

Medicare patients, 20241,087
Average age76
Average risk score1.66
Also on Medicaid16%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis50%
  4. Diabetes48%
  5. Chronic kidney disease35%
  6. Ischemic heart disease33%
  7. Atrial fibrillation28%
  8. 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.

Part D claims, 20246,261
Drugs named by CMS51
Total drug cost$958,235
Part D patients771

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.

See all prescribing by Dr. Krzyston

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)

For MedTech and pharma teams

Find cardiologists like Dr. Krzyston by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

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

$5.8Kin total
  • 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.

See all payments to Dr. Krzyston

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Mark Joseph Krzyston's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation 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.

Show 4 more questionsShow fewer questions

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.

Selling to cardiovascular disease practices?

See cardiologists in South Carolina by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)