Physician Profile
Unclaimed ProfileAbout SIEGFRIED
Jonathan Siegfried, MD practices cardiovascular disease (cardiology) in New Haven, CT. Jonathan is a 2008 graduate of New York University School of Medicine. Jonathan is also listed as specializing in cardiovascular disease, interventional cardiology, and internal medicine. Medicare claims data shows Jonathan provided 899 services to 721 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (203) 867-5300
- Email not available
Practice Locations
46 PRINCE ST STE 500
New Haven, CT 06519
Procedures Most Often Billed to Medicare
899 services · 721 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
18 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
182 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
148 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
37 |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
24 |
| Electrocardiogram (ecg) 2-day continuous with review by health care professional | Treatment | 93227 |
15 |
| Electrocardiogram (ecg) 2-day continuous | Treatment | 93225 |
15 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
15 |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
14 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
13 |
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.
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.
More connections — 32 related providers in 4 groups
Other cardiovascular diseases in New Haven 8
Same specialty, same city.
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at New York University School 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 CT who bill this service to Medicare most often.
Common questions
What is Dr. Siegfried's specialty?
Dr. Siegfried is a cardiovascular disease (cardiology) in New Haven, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where can I find Dr. Siegfried?
Dr. Siegfried is listed at 46 PRINCE ST STE 500, New Haven, CT 06519. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Siegfried?
The number on file is (203) 867-5300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Siegfried?
Dr. Siegfried's National Provider Identifier is 1720251549. 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
What is Dr. Siegfried's medical education?
Dr. Siegfried attended New York University School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Siegfried have?
Dr. Siegfried has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Siegfried known for?
According to Medicare billing data, Dr. Siegfried performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Siegfried's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Siegfried. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.