Liqun Chen, M.D.
NPI 1437543832 · Emergency Medicine Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liqun Chen, M.D. is a Emergency Medicine Physician provider in Hayward, CA (NPI 1437543832).
Provider details
- NPI number
- 1437543832
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A153026 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
942 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 | 406 | $177 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 315 | $8 |
| Critical Care, First 30-74 Minutes99291 | 92 | $217 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 84 | $122 |
| X-Ray of Chest, 1 View71045 | 45 | $9 |
Typical Medicare-allowed amounts for these services range $8–$217 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 34 | 32 |
| Naproxen | 32 | 32 |
| Prednisone | 22 | 22 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 21 | 21 |
| Cephalexin | 20 | 20 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 12 |
| Doxycycline Hyclate | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 47 New Scotland AveDepartment of Emergency MedicineAlbany, NY 12208-3412Phone: (518) 262-4050
Registry dates
- Enumerated
- 2015-03-24
- Last updated
- 2018-07-03
Frequently asked questions
- What is Liqun Chen's NPI number?
- Liqun Chen's National Provider Identifier (NPI) is 1437543832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liqun Chen's specialty?
- Liqun Chen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Liqun Chen located?
- Liqun Chen's practice location on file with NPPES is 27200 Calaroga Ave, Hayward, CA 94545.
- What is Liqun Chen's phone number?
- The practice phone number listed in the NPPES registry for Liqun Chen is (510) 264-4000.
- Does Liqun Chen accept Medicare?
- Liqun Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liqun Chen's NPI active?
- Yes — Liqun Chen's NPI (1437543832) is active in the NPPES registry as of the last update on 2018-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.