Owena Chu, NP
NPI 1639436538 · Family Nurse Practitioner · Lake Arrowhead, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Owena Chu, NP is a Family Nurse Practitioner provider in Lake Arrowhead, CA (NPI 1639436538).
Provider details
- NPI number
- 1639436538
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 319375 (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 tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 26 | 12 |
| Atorvastatin Calcium | 26 | 12 |
| Azithromycin | 24 | 24 |
| Ciprofloxacin Hcl | 21 | 18 |
| Cephalexin | 18 | 18 |
| Amoxicillin | 17 | 17 |
| Hydroxyzine Hcl | 16 | — |
| Doxycycline Monohydrate | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-16
- Last updated
- 2021-11-29
- Certified
- 2021-11-15
Frequently asked questions
- What is Owena Chu's NPI number?
- Owena Chu's National Provider Identifier (NPI) is 1639436538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Owena Chu's specialty?
- Owena Chu is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Owena Chu located?
- Owena Chu's practice location on file with NPPES is 29099 Hospital Road, Suite 204, Lake Arrowhead, CA 92352-4816.
- What is Owena Chu's phone number?
- The practice phone number listed in the NPPES registry for Owena Chu is (909) 744-9451.
- Does Owena Chu accept Medicare?
- Owena Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Owena Chu's NPI active?
- Yes — Owena Chu's NPI (1639436538) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.