Wah Wah Chu, MD
NPI 1891018719 · Internal Medicine Physician · Palmdale, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wah Wah Chu, MD is a Internal Medicine Physician provider in Palmdale, CA (NPI 1891018719).
Provider details
- NPI number
- 1891018719
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A110341 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 722 | 224 |
| Atorvastatin Calcium | 669 | 202 |
| Sertraline Hcl | 480 | 116 |
| Amlodipine Besylate | 468 | 146 |
| Olmesartan Medoxomil | 436 | 122 |
| Gabapentin | 432 | 144 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-03-05
- Last updated
- 2021-02-04
- Certified
- 2021-02-04
Frequently asked questions
- What is Wah Wah Chu's NPI number?
- Wah Wah Chu's National Provider Identifier (NPI) is 1891018719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wah Wah Chu's specialty?
- Wah Wah Chu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wah Wah Chu located?
- Wah Wah Chu's practice location on file with NPPES is 38636 Medical Center Dr Ste C, Palmdale, CA 93551-4689.
- What is Wah Wah Chu's phone number?
- The practice phone number listed in the NPPES registry for Wah Wah Chu is (661) 273-0100.
- Does Wah Wah Chu accept Medicare?
- Wah Wah Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wah Wah Chu's NPI active?
- Yes — Wah Wah Chu's NPI (1891018719) is active in the NPPES registry as of the last update on 2021-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.