Andrea Blonstein, RD, MBA
NPI 1326115791 · Registered Dietitian · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Blonstein, RD, MBA is a Registered Dietitian provider in Sunnyvale, CA (NPI 1326115791).
Provider details
- NPI number
- 1326115791
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, MBA
- Sex
- Female
- Sole proprietor
- No
- License
- RD017713 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
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
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)
- 795 El Camino RealPalo Alto, CA 94301-2302Phone: (650) 321-4121
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2020-03-04
- Certified
- 2020-03-04
Frequently asked questions
- What is Andrea Blonstein's NPI number?
- Andrea Blonstein's National Provider Identifier (NPI) is 1326115791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Blonstein's specialty?
- Andrea Blonstein is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Andrea Blonstein located?
- Andrea Blonstein's practice location on file with NPPES is 301 Old San Francisco Rd, Sunnyvale, CA 94086-6386.
- What is Andrea Blonstein's phone number?
- The practice phone number listed in the NPPES registry for Andrea Blonstein is (650) 934-7177.
- Does Andrea Blonstein accept Medicare?
- Andrea Blonstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Blonstein's NPI active?
- Yes — Andrea Blonstein's NPI (1326115791) is active in the NPPES registry as of the last update on 2020-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.