Namyi Yu, M.D.
NPI 1831117399 · Endocrinology, Diabetes & Metabolism Physician · Syosset, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Namyi Yu, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Syosset, NY (NPI 1831117399).
Provider details
- NPI number
- 1831117399
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 222570-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,143 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 925 | $151 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 316 | $40 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 211 | $108 |
| Testing of Autonomic Nervous System Function and Heart Rate Response to Deep Breathing95921 | 155 | $104 |
| Ultrasound Study of Arm and Leg Arteries93922 | 154 | $101 |
| Testing of Autonomic (sympathetic) Nervous System Function95923 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 357 | 77 |
| Levothyroxine Sodium | 318 | 96 |
| Glimepiride | 227 | 71 |
| Metformin Hcl | 208 | 68 |
| Metformin Hclbrand: Metformin Hcl Er | 192 | 68 |
| Dulaglutidebrand: Trulicity | 181 | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$106 across 4 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
- 2006-07-17
- Last updated
- 2015-01-31
Frequently asked questions
- What is Namyi Yu's NPI number?
- Namyi Yu's National Provider Identifier (NPI) is 1831117399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Namyi Yu's specialty?
- Namyi Yu is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Namyi Yu located?
- Namyi Yu's practice location on file with NPPES is 175 Jericho Tpke, Syosset, NY 11791-4532.
- What is Namyi Yu's phone number?
- The practice phone number listed in the NPPES registry for Namyi Yu is (516) 496-1616.
- Does Namyi Yu accept Medicare?
- Namyi Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Namyi Yu's NPI active?
- Yes — Namyi Yu's NPI (1831117399) is active in the NPPES registry as of the last update on 2015-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.