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Dan Loewensteiner, RDN
NPI 1902391071 · Registered Dietitian · Petaluma, CA
Dan Loewensteiner, RDN is a Registered Dietitian provider in Petaluma, CA (NPI 1902391071).
Provider details
- NPI number
- 1902391071
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 812551 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
1714 Stone Creek Dr
Petaluma, CA 94954-7441
Phone: (209) 747-8658
Street-level locationGet directions
Mailing address
1714 Stone Creek Dr
Petaluma, CA 94954-7441
Registry dates
- Enumerated
- 2018-06-29
- Last updated
- 2018-06-29
Frequently asked questions
- What is Dan Loewensteiner's NPI number?
- Dan Loewensteiner's National Provider Identifier (NPI) is 1902391071, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Loewensteiner's specialty?
- Dan Loewensteiner is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Dan Loewensteiner located?
- Dan Loewensteiner's practice location on file with NPPES is 1714 Stone Creek Dr, Petaluma, CA 94954-7441.
- What is Dan Loewensteiner's phone number?
- The practice phone number listed in the NPPES registry for Dan Loewensteiner is (209) 747-8658.
- Is Dan Loewensteiner's NPI active?
- Yes — Dan Loewensteiner's NPI (1902391071) is active in the NPPES registry as of the last update on 2018-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.