Fanny Du, MD
NPI 1861925844 · Neurology Physician · San Leandro, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fanny Du, MD is a Neurology Physician provider in San Leandro, CA (NPI 1861925844).
Provider details
- NPI number
- 1861925844
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A159269 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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 |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 156 | 53 |
| Levetiracetam | 97 | 36 |
| Lamotrigine | 35 | 14 |
| Trazodone Hcl | 26 | — |
| Donepezil Hcl | 22 | — |
| Quetiapine Fumarate | 22 | — |
| Lacosamide | 19 | — |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-06
- Last updated
- 2022-07-14
- Certified
- 2022-07-14
Frequently asked questions
- What is Fanny Du's NPI number?
- Fanny Du's National Provider Identifier (NPI) is 1861925844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fanny Du's specialty?
- Fanny Du is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Fanny Du located?
- Fanny Du's practice location on file with NPPES is 2500 Merced St Fl 2, San Leandro, CA 94577-4201.
- What is Fanny Du's phone number?
- The practice phone number listed in the NPPES registry for Fanny Du is (510) 454-3180.
- Does Fanny Du accept Medicare?
- Fanny Du is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fanny Du's NPI active?
- Yes — Fanny Du's NPI (1861925844) is active in the NPPES registry as of the last update on 2022-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.