Yak-Sing Ong, MD
NPI 1326015561 · Obstetrics & Gynecology Physician · Brooklyn, NY
Yak-Sing Ong, MD is a Obstetrics & Gynecology Physician provider in Brooklyn, NY (NPI 1326015561).
Provider details
- NPI number
- 1326015561
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1177251 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2006-03-07
- Last updated
- 2011-03-04
Frequently asked questions
- What is Yak-Sing Ong's NPI number?
- Yak-Sing Ong's National Provider Identifier (NPI) is 1326015561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yak-Sing Ong's specialty?
- Yak-Sing Ong is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Yak-Sing Ong located?
- Yak-Sing Ong's practice location on file with NPPES is 2419 Glenwood Rd, Brooklyn, NY 11210-1147.
- What is Yak-Sing Ong's phone number?
- The practice phone number listed in the NPPES registry for Yak-Sing Ong is (718) 859-5456.
- Is Yak-Sing Ong's NPI active?
- Yes — Yak-Sing Ong's NPI (1326015561) is active in the NPPES registry as of the last update on 2011-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.