Izabella Isaac, MD
NPI 1164570040 · Neurology Physician · Riverside, CA
Provider details
- NPI number
- 1164570040
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61473 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Sumatriptan Succinate | 36 |
| Atogepantbrand: Qulipta | 25 |
| Ubrogepantbrand: Ubrelvy | 24 |
| Levetiracetam | 22 |
| Rimegepant Sulfatebrand: Nurtec Odt | 18 |
| Lamotrigine | 16 |
| Butalb/Acetaminophen/Caffeinebrand: Butalbital-Acetaminophen-Caffe | 16 |
| Clonazepam | 15 |
| Rizatriptan Benzoatebrand: Rizatriptan | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 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.