Viviana Huang Chen, M.D., M.P.P.
NPI 1821444886 · Family Medicine Physician · South Gate, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Viviana Huang Chen, M.D., M.P.P. is a Family Medicine Physician provider in South Gate, CA (NPI 1821444886).
Provider details
- NPI number
- 1821444886
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.P.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 192 | 59 |
| Metformin Hcl | 102 | 31 |
| Lisinopril | 57 | 19 |
| Amlodipine Besylate | 57 | 23 |
| Losartan Potassium | 55 | 17 |
| Alendronate Sodium | 44 | 14 |
| Hydrochlorothiazide | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 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
Additional practice locations (1)
- 4733 W Sunset Blvd Fl 3Los Angeles, CA 90027-6021Phone: (323) 783-4516
Registry dates
- Enumerated
- 2016-05-09
- Last updated
- 2021-12-03
Frequently asked questions
- What is Viviana Huang Chen's NPI number?
- Viviana Huang Chen's National Provider Identifier (NPI) is 1821444886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viviana Huang Chen's specialty?
- Viviana Huang Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Viviana Huang Chen located?
- Viviana Huang Chen's practice location on file with NPPES is 8627 Atlantic Ave, South Gate, CA 90280-3501.
- What is Viviana Huang Chen's phone number?
- The practice phone number listed in the NPPES registry for Viviana Huang Chen is (888) 499-9303.
- Does Viviana Huang Chen accept Medicare?
- Viviana Huang Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Viviana Huang Chen's NPI active?
- Yes — Viviana Huang Chen's NPI (1821444886) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.