IndividualActive
Lillian Sonnenberg
NPI 1528288586 · Registered Dietitian · Boston, MA
Lillian Sonnenberg is a Registered Dietitian provider in Boston, MA (NPI 1528288586).
Provider details
- NPI number
- 1528288586
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 444 (MA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(89/100 index)
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
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
165 Cambridge St
Boston, MA 02114-2783
Phone: (617) 726-2779
Street-level locationGet directions
Mailing address
165 Cambridge St
Boston, MA 02114-2783
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lillian Sonnenberg's NPI number?
- Lillian Sonnenberg's National Provider Identifier (NPI) is 1528288586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Sonnenberg's specialty?
- Lillian Sonnenberg is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Lillian Sonnenberg located?
- Lillian Sonnenberg's practice location on file with NPPES is 165 Cambridge St, Boston, MA 02114-2783.
- What is Lillian Sonnenberg's phone number?
- The practice phone number listed in the NPPES registry for Lillian Sonnenberg is (617) 726-2779.
- Is Lillian Sonnenberg's NPI active?
- Yes — Lillian Sonnenberg's NPI (1528288586) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.