Doctor profile · Federal record
Dr. Mark Erhard, MD
Interventional Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Duluth, MN
- NPI 1710962188
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1001 E Superior St Ste 201
Duluth, MN 558022228
(218) 249-5555
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RI0011X — NUCC code
- State license (1)
- Minnesota #32857
- Medicaid
- MN #669267200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710962188. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,085
Distinct HCPCS
10
Medicare allowed
$45,303
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 460 | 391 | $8 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 137 | 135 | $68 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 114 | 113 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 98 | 91 | $95 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 35 | $122 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 31 | 31 | $14 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 29 | 29 | $126 | |
78452 |
Nuclear medicine studies of heart muscle at rest and with stress and spect | 25 | 25 | $75 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 20 | 20 | $68 | |
93321 |
Ultrasound of heart blood flow, valves and chambers, follow-up | 20 | 19 | $7 |
In context: peer comparison
Among 4 peers in Duluth Interventional Cardiology Physician, average services per provider: 82. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$61
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $60.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,191
Patients
420
Total drug cost
$55,328
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 276 | 112 | $8,288 |
| Rosuvastatin Calcium | Generic | 185 | 58 | $4,516 |
| Losartan Potassium | Generic | 124 | 42 | $2,620 |
| Atorvastatin Calcium | Generic | 88 | 29 | $2,166 |
| Amlodipine Besylate | Generic | 79 | 27 | $918 |
| Lisinopril | Generic | 75 | 29 | $1,267 |
| Furosemide | Generic | 62 | 26 | $533 |
| Ezetimibe | Generic | 51 | 13 | $1,641 |
| Triamterene-Hydrochlorothiazid (Triamterene/Hydrochlorothiazid) | Brand | 44 | 14 | $600 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 43 | 13 | $994 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Erhard's medical specialty?
Dr. Mark Erhard practices Interventional Cardiology Physician in Duluth, MN.
Where does Dr. Mark Erhard practice?
Dr. Mark Erhard practices at 1001 E Superior St Ste 201, Duluth, MN 558022228. Office phone: 2182495555.
What is Dr. Mark Erhard's NPI?
Dr. Mark Erhard's National Provider Identifier (NPI) is 1710962188, issued by NPPES.
Does Dr. Mark Erhard accept Medicare assignment?
Yes. Dr. Mark Erhard accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Erhard commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.