Chun Chen
NPI 1780881680 · Internal Medicine Physician · Smithtown, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chun Chen is a Internal Medicine Physician provider in Smithtown, NY (NPI 1780881680).
Provider details
- NPI number
- 1780881680
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 244759 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,289 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 580 | $145 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 224 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 125 | $101 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 118 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 110 | $147 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 236 | 74 |
| Losartan Potassium | 162 | 50 |
| Atorvastatin Calcium | 156 | 52 |
| Metoprolol Succinate | 143 | 43 |
| Rosuvastatin Calcium | 133 | 44 |
| Levothyroxine Sodium | 101 | 28 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-02
- Last updated
- 2020-11-01
- Certified
- 2020-11-01
Frequently asked questions
- What is Chun Chen's NPI number?
- Chun Chen's National Provider Identifier (NPI) is 1780881680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chun Chen's specialty?
- Chun Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chun Chen located?
- Chun Chen's practice location on file with NPPES is 278 E Main St Ste a, Smithtown, NY 11787-2915.
- What is Chun Chen's phone number?
- The practice phone number listed in the NPPES registry for Chun Chen is (631) 366-4550.
- Does Chun Chen accept Medicare?
- Chun Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chun Chen's NPI active?
- Yes — Chun Chen's NPI (1780881680) is active in the NPPES registry as of the last update on 2020-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.