Diana Wang, MD
NPI 1548337744 · Internal Medicine Physician · Bellflower, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Wang, MD is a Internal Medicine Physician provider in Bellflower, CA (NPI 1548337744).
Provider details
- NPI number
- 1548337744
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G79949 (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
19 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 25 | 23 |
| Cephalexin | 22 | 22 |
| Ciprofloxacin Hcl | 22 | 22 |
| Metoprolol Succinate | 21 | 16 |
| Pantoprazole Sodium | 19 | 15 |
| Potassium Chloride | 17 | 15 |
| Prednisone | 17 | 17 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2021-12-01
Frequently asked questions
- What is Diana Wang's NPI number?
- Diana Wang's National Provider Identifier (NPI) is 1548337744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Wang's specialty?
- Diana Wang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Wang located?
- Diana Wang's practice location on file with NPPES is 9400 Rosecrans Ave, Bellflower, CA 90706-2246.
- What is Diana Wang's phone number?
- The practice phone number listed in the NPPES registry for Diana Wang is (562) 461-3000.
- Does Diana Wang accept Medicare?
- Diana Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Wang's NPI active?
- Yes — Diana Wang's NPI (1548337744) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.