IndividualActive
Allison Liu, MS, RD.
NPI 1558627646 · Registered Dietitian · San Diego, CA
Allison Liu, MS, RD. is a Registered Dietitian provider in San Diego, CA (NPI 1558627646).
Provider details
- NPI number
- 1558627646
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
200 W Arbor Dr
San Diego, CA 92103-9000
Phone: (619) 543-1899
Street-level locationGet directions
Mailing address
3525 Del Mar Heights Rd # 626
San Diego, CA 92130-2122
Registry dates
- Enumerated
- 2012-04-03
- Last updated
- 2012-04-03
Frequently asked questions
- What is Allison Liu's NPI number?
- Allison Liu's National Provider Identifier (NPI) is 1558627646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Liu's specialty?
- Allison Liu is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Allison Liu located?
- Allison Liu's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Allison Liu's phone number?
- The practice phone number listed in the NPPES registry for Allison Liu is (619) 543-1899.
- Is Allison Liu's NPI active?
- Yes — Allison Liu's NPI (1558627646) is active in the NPPES registry as of the last update on 2012-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.