Physician Profile
Unclaimed ProfileAbout ERHARD
Mark W Erhard, MD practises cardiovascular disease (cardiology) in Duluth, MN. Mark is a 1986 graduate of University of South Florida College of Medicine. Mark is also listed as specialising in interventional cardiology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Erhard specialise in?
Dr. Erhard is a cardiovascular disease (cardiology) in Duluth, MN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where is Dr. Erhard located?
Dr. Erhard is listed at 1001 E SUPERIOR ST STE 201, Duluth, MN 55802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Erhard's phone number?
The number on file is (218) 249-5555. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Erhard's NPI number?
Dr. Erhard's National Provider Identifier is 1710962188. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Erhard go to medical school?
Dr. Erhard attended University of South Florida College of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Erhard been practising?
Dr. Erhard has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Erhard do most often?
According to Medicare billing data, Dr. Erhard performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Erhard confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Erhard. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (218) 249-5555
- Email not available
Practice Locations
1001 E SUPERIOR ST STE 201
Duluth, MN 55802
Procedures Most Often Billed to Medicare
1,023 services · 927 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
32 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
458 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
156 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
67 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
37 |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
17 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
16 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
126 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiovascular diseases in Duluth 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of South Florida College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at University of South Florida College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in MN who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.