Alexandra Feldner
NPI 1487219630 · Anesthesiology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Feldner is a Anesthesiology Physician provider in Vallejo, CA (NPI 1487219630).
Provider details
- NPI number
- 1487219630
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 202625 (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
7 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-03
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Alexandra Feldner's NPI number?
- Alexandra Feldner's National Provider Identifier (NPI) is 1487219630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Feldner's specialty?
- Alexandra Feldner is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Feldner located?
- Alexandra Feldner's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Alexandra Feldner's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Feldner is (707) 651-1000.
- Does Alexandra Feldner accept Medicare?
- Alexandra Feldner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Feldner's NPI active?
- Yes — Alexandra Feldner's NPI (1487219630) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.