Nai Chien Yeat, M.D.
NPI 1518491679 · Internal Medicine Physician · Great Neck, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nai Chien Yeat, M.D. is a Internal Medicine Physician provider in Great Neck, NY (NPI 1518491679).
Provider details
- NPI number
- 1518491679
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
377 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 229 | $131 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 63 | $192 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 45 | $87 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 29 | $127 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 11 | $34 |
Typical Medicare-allowed amounts for these services range $34–$192 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-16
- Last updated
- 2020-07-02
- Certified
- 2020-07-02
Frequently asked questions
- What is Nai Chien Yeat's NPI number?
- Nai Chien Yeat's National Provider Identifier (NPI) is 1518491679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nai Chien Yeat's specialty?
- Nai Chien Yeat is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nai Chien Yeat located?
- Nai Chien Yeat's practice location on file with NPPES is 1010 Northern Blvd Ste 110, Great Neck, NY 11021-5306.
- What is Nai Chien Yeat's phone number?
- The practice phone number listed in the NPPES registry for Nai Chien Yeat is (516) 321-7400.
- Does Nai Chien Yeat accept Medicare?
- Nai Chien Yeat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nai Chien Yeat's NPI active?
- Yes — Nai Chien Yeat's NPI (1518491679) is active in the NPPES registry as of the last update on 2020-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.