Physician Profile
Unclaimed ProfileAbout RYBSTEIN
Marc Rybstein, M.D. is a healthcare provider in Brooklyn, NY specializing in cardiovascular disease (cardiology). Marc trained at State University of New York at Stony Brook, School of Medicine, graduating in 2006. Marc is also listed as specializing in cardiovascular disease. According to Medicare claims data, Marc cared for 2,957 Medicare patients across 4,143 services.
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
- (718) 303-0851
- Email not available
Practice Locations
828 UTICA AVE
Brooklyn, NY 11203
Procedures Most Often Billed to Medicare
4,143 services · 2,957 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
77 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
126 |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
82 |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
46 |
| Complete ultrasound scan of pelvis | Imaging | 76856 |
32 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
462 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
360 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
210 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
191 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
161 |
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.
Also at this address 2
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 Brooklyn 8
Same specialty, same city.
Trained at State University of New York at Stony Brook, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2006 at State University of New York at Stony Brook, School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Rybstein?
Dr. Rybstein is a cardiovascular disease (cardiology) in Brooklyn, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
What is Dr. Rybstein's address?
Dr. Rybstein is listed at 828 UTICA AVE, Brooklyn, NY 11203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Rybstein?
The number on file is (718) 303-0851. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Rybstein's NPI number?
Dr. Rybstein's National Provider Identifier is 1538393822. 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. Rybstein train?
Dr. Rybstein attended State University of New York at Stony Brook, School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Rybstein been practicing?
Dr. Rybstein has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Rybstein perform?
According to Medicare billing data, Dr. Rybstein performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as nuclear medicine studies of heart muscle at rest and with stress and spect and complete ultrasound scan of abdomen; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and ultrasound of both sides of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Rybstein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rybstein. 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.