Physician Profile
Unclaimed ProfileAbout JOHNSTON
Peter V Johnston, MD practises cardiovascular disease (cardiology) in Baltimore, MD. Peter is a 2000 graduate of University of Michigan Medical School. Peter is also listed as specialising in cardiovascular disease and 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. Johnston specialise in?
Dr. Johnston is a cardiovascular disease (cardiology) in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where is Dr. Johnston located?
Dr. Johnston is listed at 600 N WOLFE STREET CARNEGIE 568, Baltimore, MD 21287. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Johnston's phone number?
The number on file is (410) 550-0849. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnston's NPI number?
Dr. Johnston's National Provider Identifier is 1629128830. 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. Johnston go to medical school?
Dr. Johnston attended University of Michigan Medical School, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnston been practising?
Dr. Johnston has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Johnston do most often?
According to Medicare billing data, Dr. Johnston performs procedures including insertion of blood flow assist device in aorta through skin; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and insertion of tube in coronary artery for diagnosis with review by radiologist, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnston confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnston. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 550-0849
- Email not available
Practice Locations
600 N WOLFE STREET CARNEGIE 568
Baltimore, MD 21287
Procedures Most Often Billed to Medicare
1,419 services · 998 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of blood flow assist device in aorta through skin | Procedure | 33967 |
14 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
912 |
| Insertion of tube in coronary artery for diagnosis with review by radiologist | Treatment | 93454 |
111 |
| Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | Treatment | 92928 |
39 |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
32 |
| Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel | Treatment | 92978 |
30 |
| Insertion of tube in right heart chambers for measurement | Treatment | 93451 |
27 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
16 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
13 |
| Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist | Treatment | 93459 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Baltimore 8
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of blood flow assist device in aorta through skin 4
Providers in MD 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.