IndividualActive
Diane Han, MPH, RDN
NPI 1255161642 · Registered Dietitian · Austin, TX
Diane Han, MPH, RDN is a Registered Dietitian provider in Austin, TX (NPI 1255161642).
Provider details
- NPI number
- 1255161642
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MPH, RDN
- Sex
- Female
- Sole proprietor
- No
- License
- 86199324 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
3724 Jefferson St Ste 104
Austin, TX 78731-6204
Phone: (909) 906-0740
Street-level locationGet directions
Mailing address
1533 N Helen Ct
Ontario, CA 91762-1036
Registry dates
- Enumerated
- 2024-08-01
- Last updated
- 2024-08-01
- Certified
- 2024-08-01
Frequently asked questions
- What is Diane Han's NPI number?
- Diane Han's National Provider Identifier (NPI) is 1255161642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Han's specialty?
- Diane Han is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Diane Han located?
- Diane Han's practice location on file with NPPES is 3724 Jefferson St Ste 104, Austin, TX 78731-6204.
- What is Diane Han's phone number?
- The practice phone number listed in the NPPES registry for Diane Han is (909) 906-0740.
- Is Diane Han's NPI active?
- Yes — Diane Han's NPI (1255161642) is active in the NPPES registry as of the last update on 2024-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.