Xiaochuan Chen, M.D.
NPI 1750549614 · Internal Medicine Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiaochuan Chen, M.D. is a Internal Medicine Physician provider in Hayward, CA (NPI 1750549614).
Provider details
- NPI number
- 1750549614
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A105640 (CA)
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
18 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
468 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 | 238 | $153 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 54 | $24 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 35 | $24 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $109 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 34 | $155 |
| Administration of Influenza Virus VaccineG0008 | 25 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 445 | 149 |
| Amlodipine Besylate | 346 | 109 |
| Metformin Hcl | 207 | 58 |
| Alendronate Sodium | 200 | 69 |
| Losartan Potassium | 192 | 58 |
| Lisinopril | 137 | 44 |
| Valsartan | 117 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$283 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
- 2008-05-28
- Last updated
- 2025-06-02
- Certified
- 2025-06-02
Frequently asked questions
- What is Xiaochuan Chen's NPI number?
- Xiaochuan Chen's National Provider Identifier (NPI) is 1750549614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiaochuan Chen's specialty?
- Xiaochuan Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Xiaochuan Chen located?
- Xiaochuan Chen's practice location on file with NPPES is 1090 La Playa Dr, Hayward, CA 94545-2142.
- What is Xiaochuan Chen's phone number?
- The practice phone number listed in the NPPES registry for Xiaochuan Chen is (510) 403-1699.
- Does Xiaochuan Chen accept Medicare?
- Xiaochuan Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiaochuan Chen's NPI active?
- Yes — Xiaochuan Chen's NPI (1750549614) is active in the NPPES registry as of the last update on 2025-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.