Lee Onn Chieng
NPI 1659899342 · Neurological Surgery Physician · New York, NY
Lee Onn Chieng is a Neurological Surgery Physician provider in New York, NY (NPI 1659899342).
Provider details
- NPI number
- 1659899342
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 4301114554 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,375 across 22 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-01
- Last updated
- 2025-04-11
- Certified
- 2025-04-11
Frequently asked questions
- What is Lee Onn Chieng's NPI number?
- Lee Onn Chieng's National Provider Identifier (NPI) is 1659899342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lee Onn Chieng's specialty?
- Lee Onn Chieng is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Lee Onn Chieng located?
- Lee Onn Chieng's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Lee Onn Chieng's phone number?
- The practice phone number listed in the NPPES registry for Lee Onn Chieng is (212) 263-5506.
- Is Lee Onn Chieng's NPI active?
- Yes — Lee Onn Chieng's NPI (1659899342) is active in the NPPES registry as of the last update on 2025-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.