Anna-Claire Siena, MD
NPI 1013594902 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna-Claire Siena, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1013594902).
Provider details
- NPI number
- 1013594902
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A192293 (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
5 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
- 2021-03-26
- Last updated
- 2024-09-02
- Certified
- 2024-09-02
Frequently asked questions
- What is Anna-Claire Siena's NPI number?
- Anna-Claire Siena's National Provider Identifier (NPI) is 1013594902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna-Claire Siena's specialty?
- Anna-Claire Siena is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna-Claire Siena located?
- Anna-Claire Siena's practice location on file with NPPES is 11301 Wilshire Blvd, Los Angeles, CA 90073-1003.
- What is Anna-Claire Siena's phone number?
- The practice phone number listed in the NPPES registry for Anna-Claire Siena is (310) 478-3711.
- Does Anna-Claire Siena accept Medicare?
- Anna-Claire Siena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna-Claire Siena's NPI active?
- Yes — Anna-Claire Siena's NPI (1013594902) is active in the NPPES registry as of the last update on 2024-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.