Physician Profile
Unclaimed ProfileAbout RYOO
Aaron Ryoo, MD is a healthcare provider in Brooklyn, NY specializing in student in an organized health care education program. Aaron is also listed as specializing in emergency medicine. According to Medicare claims data, Aaron cared for 395 Medicare patients across 397 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (718) 780-5040
- Email not available
Practice Locations
506 6TH ST
Brooklyn, NY 11215
Procedures Most Often Billed to Medicare
397 services · 395 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound of heart, follow-up | Treatment | 93308 |
11 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
171 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
121 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
54 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
27 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
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 medical trainees at this location 8
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 medical trainees in Brooklyn 7
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Ultrasound of heart, follow-up 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Ryoo's specialty?
Dr. Ryoo is a medical trainee in Brooklyn, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Student in an Organized Health Care Education Program”.
NPI registry
Where can I find Dr. Ryoo?
Dr. Ryoo is listed at 506 6TH ST, Brooklyn, NY 11215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ryoo?
The number on file is (718) 780-5040. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ryoo's NPI number?
Dr. Ryoo's National Provider Identifier is 1023549912. 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
How long has Dr. Ryoo been practicing?
Dr. Ryoo has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Ryoo known for?
According to Medicare billing data, Dr. Ryoo provides treatments such as ultrasound of heart, follow-up, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ryoo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryoo. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.