OrganizationActive
Yak-Sing Ong, Md,pc
NPI 1821396581 · Gynecology Physician · Brooklyn, NY
Yak-Sing Ong, Md,pc is a Gynecology Physician organization in Brooklyn, NY (NPI 1821396581).
Provider details
- NPI number
- 1821396581
- Entity type
- Organization
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Yak-Sing Ong, President(718) 859-5456
- License
- 117725 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
2419 Glenwood Rd
Brooklyn, NY 11210-1147
Phone: (718) 859-5456
Fax: (718) 942-4226
Street-level locationGet directions
Mailing address
2419 Glenwood Rd
Brooklyn, NY 11210-1147
Registry dates
- Enumerated
- 2011-03-04
- Last updated
- 2011-03-04
Frequently asked questions
- What is Yak-Sing Ong, Md,pc's NPI number?
- Yak-Sing Ong, Md,pc's National Provider Identifier (NPI) is 1821396581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Yak-Sing Ong, Md,pc?
- Yak-Sing Ong, Md,pc is classified in the NPPES registry as Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Yak-Sing Ong, Md,pc located?
- Yak-Sing Ong, Md,pc's practice location on file with NPPES is 2419 Glenwood Rd, Brooklyn, NY 11210-1147.
- What is Yak-Sing Ong, Md,pc's phone number?
- The practice phone number listed in the NPPES registry for Yak-Sing Ong, Md,pc is (718) 859-5456.
- Who is the authorized official for Yak-Sing Ong, Md,pc?
- The authorized official listed on Yak-Sing Ong, Md,pc's NPPES record is Yak-Sing Ong, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Yak-Sing Ong, Md,pc's NPI active?
- Yes — Yak-Sing Ong, Md,pc's NPI (1821396581) 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.