Cheng-I Chen
NPI 1437572559 · Family Nurse Practitioner · Fremont, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheng-I Chen is a Family Nurse Practitioner provider in Fremont, CA (NPI 1437572559).
Provider details
- NPI number
- 1437572559
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 812541 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 220 | 76 |
| Losartan Potassium | 95 | 33 |
| Amlodipine Besylate | 82 | 27 |
| Famotidine | 69 | 32 |
| Metformin Hcl | 51 | 19 |
| Lisinopril | 50 | 18 |
| Alendronate Sodium | 49 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 1 record (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
- 2014-01-24
- Last updated
- 2014-08-28
Frequently asked questions
- What is Cheng-I Chen's NPI number?
- Cheng-I Chen's National Provider Identifier (NPI) is 1437572559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheng-I Chen's specialty?
- Cheng-I Chen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cheng-I Chen located?
- Cheng-I Chen's practice location on file with NPPES is 39500 Liberty St, Fremont, CA 94538-2211.
- What is Cheng-I Chen's phone number?
- The practice phone number listed in the NPPES registry for Cheng-I Chen is (510) 770-8040.
- Does Cheng-I Chen accept Medicare?
- Cheng-I Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheng-I Chen's NPI active?
- Yes — Cheng-I Chen's NPI (1437572559) is active in the NPPES registry as of the last update on 2014-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.