Ariela Hazan, MD
NPI 1558999581 · Hospice and Palliative Medicine (Internal Medicine) Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariela Hazan, MD is a Hospice and Palliative Medicine (Internal Medicine) Physician provider in Fremont, CA (NPI 1558999581).
Provider details
- NPI number
- 1558999581
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A197899 (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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1 Gustave L Levy PlNew York, NY 10029-6504Phone: (212) 241-6500
Registry dates
- Enumerated
- 2020-03-27
- Last updated
- 2025-10-16
- Certified
- 2025-10-16
Frequently asked questions
- What is Ariela Hazan's NPI number?
- Ariela Hazan's National Provider Identifier (NPI) is 1558999581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariela Hazan's specialty?
- Ariela Hazan is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ariela Hazan located?
- Ariela Hazan's practice location on file with NPPES is 3200 Kearney St, Fremont, CA 94538-2299.
- What is Ariela Hazan's phone number?
- The practice phone number listed in the NPPES registry for Ariela Hazan is (510) 490-1222.
- Does Ariela Hazan accept Medicare?
- Ariela Hazan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariela Hazan's NPI active?
- Yes — Ariela Hazan's NPI (1558999581) is active in the NPPES registry as of the last update on 2025-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.