Yu Sun, MD
NPI 1558702480 · Internal Medicine Physician · Middletown, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yu Sun, MD is a Internal Medicine Physician provider in Middletown, NY (NPI 1558702480).
Provider details
- NPI number
- 1558702480
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 285439 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
677 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 | 192 | $144 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 129 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $102 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 40 | $18 |
| Advance Care Planning, First 30 Minutes99497 | 34 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,424 | 252 |
| Losartan Potassium | 830 | 134 |
| Amlodipine Besylate | 702 | 121 |
| Icosapent Ethylbrand: Vascepa | 565 | 92 |
| Omeprazole | 405 | 146 |
| Diclofenac Epolamine | 369 | 77 |
| Alendronate Sodium | 357 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$292 across 10 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
- 2013-07-08
- Last updated
- 2019-01-10
Frequently asked questions
- What is Yu Sun's NPI number?
- Yu Sun's National Provider Identifier (NPI) is 1558702480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yu Sun's specialty?
- Yu Sun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yu Sun located?
- Yu Sun's practice location on file with NPPES is 155 Crystal Run Rd, Middletown, NY 10941-4028.
- What is Yu Sun's phone number?
- The practice phone number listed in the NPPES registry for Yu Sun is (845) 703-6999.
- Does Yu Sun accept Medicare?
- Yu Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yu Sun's NPI active?
- Yes — Yu Sun's NPI (1558702480) is active in the NPPES registry as of the last update on 2019-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.