Tien DO
NPI 1508348632 · Primary Care Nurse Practitioner · Westminster, CA
Tien DO is a Primary Care Nurse Practitioner provider in Westminster, CA (NPI 1508348632).
Provider details
- NPI number
- 1508348632
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95009402 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 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 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 459 | 252 |
| Amlodipine Besylate | 322 | 177 |
| Losartan Potassium | 320 | 177 |
| Metformin Hcl | 212 | 106 |
| Empagliflozinbrand: Jardiance | 141 | 45 |
| Tamsulosin Hcl | 134 | 72 |
| Icosapent Ethyl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$931 across 41 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
- 2018-09-05
- Last updated
- 2018-09-05
Frequently asked questions
- What is Tien DO's NPI number?
- Tien DO's National Provider Identifier (NPI) is 1508348632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tien DO's specialty?
- Tien DO is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tien DO located?
- Tien DO's practice location on file with NPPES is 7631 Wyoming St, Westminster, CA 92683-3904.
- What is Tien DO's phone number?
- The practice phone number listed in the NPPES registry for Tien DO is (714) 379-0199.
- Is Tien DO's NPI active?
- Yes — Tien DO's NPI (1508348632) is active in the NPPES registry as of the last update on 2018-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.