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Edit this profileBased in Forest Hills, NY, Sei Oung Yoon, MD is listed in the NPI registry under urology. According to Medicare claims data, the services billed most often include ultrasound measurement of bladder capacity after voiding. NPI 1407050446 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
100-25 QUEENS BOULEVARD
Forest Hills, NY 11375
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Pediatric urology
Reconstructive and complex
Most searched conditions
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
Prostate
Urinary symptoms and infection
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Bladder & bowel
Bladder and urinary
Bladder procedures
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
Office diagnosis
Prostate
Prostate procedures
Reconstructive and pediatric
Stone procedures
Most searched procedures
13 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
13 | Less often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Yoon is an urologist in Forest Hills, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Dr. Yoon is listed at 100-25 Queens Boulevard, Forest Hills, NY 11375. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (718) 544-9525. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Yoon's National Provider Identifier is 1407050446. 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
Dr. Yoon has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Yoon performs procedures including ultrasound measurement of bladder capacity after voiding. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yoon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.