Sandy Jung-Wu, MD
NPI 1235339938 · Allergy & Immunology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Jung-Wu, MD is a Allergy & Immunology Physician provider in Fontana, CA (NPI 1235339938).
Provider details
- NPI number
- 1235339938
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A101447 (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
18 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tiotropium Bromidebrand: Spiriva Respimat | 45 | 12 |
| Budesonide/Formoterol Fumaratebrand: Breyna | 26 | 12 |
| Dupilumabbrand: Dupixent Pen | 26 | — |
| Azelastine Hcl | 25 | 12 |
| Benralizumabbrand: Fasenra Pen | 22 | — |
| Montelukast Sodium | 20 | — |
| Ciclesonidebrand: Alvesco |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-20
- Last updated
- 2021-12-03
Frequently asked questions
- What is Sandy Jung-Wu's NPI number?
- Sandy Jung-Wu's National Provider Identifier (NPI) is 1235339938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Jung-Wu's specialty?
- Sandy Jung-Wu is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Sandy Jung-Wu located?
- Sandy Jung-Wu's practice location on file with NPPES is 9985 Sierra Ave, Fontana, CA 92335-6720.
- What is Sandy Jung-Wu's phone number?
- The practice phone number listed in the NPPES registry for Sandy Jung-Wu is (909) 427-6498.
- Does Sandy Jung-Wu accept Medicare?
- Sandy Jung-Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Jung-Wu's NPI active?
- Yes — Sandy Jung-Wu's NPI (1235339938) 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.