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Sonia Sebastian, R.D.
NPI 1265766885 · Registered Dietitian · San Leandro, CA
Sonia Sebastian, R.D. is a Registered Dietitian provider in San Leandro, CA (NPI 1265766885).
Provider details
- NPI number
- 1265766885
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 967914 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
2500 Merced St
San Leandro, CA 94577-4201
Phone: (510) 454-1000
Street-level locationGet directions
Mailing address
2500 Merced St
San Leandro, CA 94577-4201
Registry dates
- Enumerated
- 2009-09-29
- Last updated
- 2015-10-02
Frequently asked questions
- What is Sonia Sebastian's NPI number?
- Sonia Sebastian's National Provider Identifier (NPI) is 1265766885, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Sebastian's specialty?
- Sonia Sebastian is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Sonia Sebastian located?
- Sonia Sebastian's practice location on file with NPPES is 2500 Merced St, San Leandro, CA 94577-4201.
- What is Sonia Sebastian's phone number?
- The practice phone number listed in the NPPES registry for Sonia Sebastian is (510) 454-1000.
- Is Sonia Sebastian's NPI active?
- Yes — Sonia Sebastian's NPI (1265766885) is active in the NPPES registry as of the last update on 2015-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.