IndividualActive
Alex Xu
NPI 1821652538 · Urology Physician · New York, NY
Provider details
- NPI number
- 1821652538
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA12876800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
550 1st Ave
New York, NY 10016-6402
Phone: (106) 819-9494
Street-level locationGet directions
Mailing address
334 E 26th St Apt 10d-2
New York, NY 10010-1915
Additional practice locations (2)
- 462 1st AveNew York, NY 10016-9196Phone: (206) 819-9494
- 423 E 23rd StNew York, NY 10010-5011Phone: (206) 819-9494
Registry dates
- Enumerated
- 2019-04-29
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.