Sylvia Fowler, MD
NPI 1891810305 · Hematology & Oncology Physician · Panorama City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Fowler, MD is a Hematology & Oncology Physician provider in Panorama City, CA (NPI 1891810305).
Provider details
- NPI number
- 1891810305
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G79706 (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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 268 | 73 |
| Anastrozole | 135 | 46 |
| Prednisone | 131 | 21 |
| Abiraterone Acetate | 104 | 12 |
| Hydroxyurea | 77 | 21 |
| Osimertinib Mesylatebrand: Tagrisso | 57 | — |
| Palbociclibbrand: Ibrance | 50 | — |
| Imatinib Mesylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2021-11-29
Frequently asked questions
- What is Sylvia Fowler's NPI number?
- Sylvia Fowler's National Provider Identifier (NPI) is 1891810305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Fowler's specialty?
- Sylvia Fowler is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvia Fowler located?
- Sylvia Fowler's practice location on file with NPPES is 13652 Cantara St, Panorama City, CA 91402-5423.
- What is Sylvia Fowler's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Fowler is (818) 375-2000.
- Does Sylvia Fowler accept Medicare?
- Sylvia Fowler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Fowler's NPI active?
- Yes — Sylvia Fowler's NPI (1891810305) is active in the NPPES registry as of the last update on 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.