Doctor profile · Federal record
Dr. Mark Krzyston, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Orangeburg, SC
- NPI 1508923194
- Accepts Medicare
- 49 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1175 Cook RD, Ste 225
Orangeburg, SC 291188201
(803) 534-8723
fax (803) 536-0030
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- January 12, 2015
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- South Carolina #SC12677
- Medicaid
- SC #PA4003
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508923194. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,686
Distinct HCPCS
10
Medicare allowed
$122,066
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 918 | 648 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 460 | 328 | $92 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 253 | 246 | $46 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 172 | 171 | $8 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 123 | 52 | $75 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 122 | 114 | $13 | |
93016 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 121 | 113 | $20 | |
78452 |
Nuclear medicine studies of heart muscle at rest and with stress and spect | 107 | 106 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 97 | 95 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 81 | 77 | $63 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 112. This provider delivers 24× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,698
Patients
1,571
Total drug cost
$1,031,220
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 810 | 145 | $594,921 |
| Amlodipine Besylate | Generic | 770 | 194 | $5,174 |
| Metoprolol Succinate | Generic | 665 | 150 | $11,292 |
| Atorvastatin Calcium | Generic | 608 | 152 | $9,459 |
| Carvedilol | Generic | 571 | 136 | $5,649 |
| Losartan Potassium | Generic | 505 | 125 | $7,696 |
| Rosuvastatin Calcium | Generic | 487 | 115 | $13,215 |
| Entresto (Sacubitril/Valsartan) | Brand | 435 | 77 | $359,114 |
| Lisinopril | Generic | 293 | 73 | $2,564 |
| Digoxin | Generic | 292 | 65 | $8,173 |
Frequently asked questions
What is Dr. Mark Krzyston's medical specialty?
Dr. Mark Krzyston practices Cardiovascular Disease Physician in Orangeburg, SC.
Where does Dr. Mark Krzyston practice?
Dr. Mark Krzyston practices at 1175 Cook RD, Orangeburg, SC 291188201. Office phone: 8035348723.
What is Dr. Mark Krzyston's NPI?
Dr. Mark Krzyston's National Provider Identifier (NPI) is 1508923194, issued by NPPES.
Does Dr. Mark Krzyston accept Medicare assignment?
Yes. Dr. Mark Krzyston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Krzyston commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.