Serene Chen, MD
NPI 1740675727 · Emergency Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Serene Chen, MD is a Emergency Medicine Physician provider in New Haven, CT (NPI 1740675727).
Provider details
- NPI number
- 1740675727
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A147014 (CA)
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
11 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
711 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 272 | $193 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 215 | $9 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 101 | $133 |
| Critical Care, First 30-74 Minutes99291 | 58 | $241 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 31 | $8 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 24 | 23 |
| Oxycodone Hcl | 19 | 19 |
| Ondansetronbrand: Ondansetron Odt | 15 | 15 |
| Doxycycline Hyclate | 15 | 14 |
| Ibuprofen | 13 | 13 |
| Apixabanbrand: Eliquis | 12 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-06
- Last updated
- 2022-01-26
- Certified
- 2022-01-26
Frequently asked questions
- What is Serene Chen's NPI number?
- Serene Chen's National Provider Identifier (NPI) is 1740675727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Serene Chen's specialty?
- Serene Chen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Serene Chen located?
- Serene Chen's practice location on file with NPPES is 367 Cedar St, New Haven, CT 06510-3222.
- What is Serene Chen's phone number?
- The practice phone number listed in the NPPES registry for Serene Chen is (203) 785-2644.
- Does Serene Chen accept Medicare?
- Serene Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Serene Chen's NPI active?
- Yes — Serene Chen's NPI (1740675727) is active in the NPPES registry as of the last update on 2022-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.