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Theresa Tengler, RD
NPI 1588949028 · Registered Dietitian · Delafield, WI
Theresa Tengler, RD is a Registered Dietitian provider in Delafield, WI (NPI 1588949028).
Provider details
- NPI number
- 1588949028
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 01044099 (WI)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(81/100 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
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
2725 Hillside Dr Ste a
Delafield, WI 53018-2165
Phone: (262) 646-2123
Street-level locationGet directions
Mailing address
2415 Madison St
Waukesha, WI 53188-4627
Registry dates
- Enumerated
- 2011-10-17
- Last updated
- 2011-10-17
Frequently asked questions
- What is Theresa Tengler's NPI number?
- Theresa Tengler's National Provider Identifier (NPI) is 1588949028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Tengler's specialty?
- Theresa Tengler is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Theresa Tengler located?
- Theresa Tengler's practice location on file with NPPES is 2725 Hillside Dr Ste a, Delafield, WI 53018-2165.
- What is Theresa Tengler's phone number?
- The practice phone number listed in the NPPES registry for Theresa Tengler is (262) 646-2123.
- Is Theresa Tengler's NPI active?
- Yes — Theresa Tengler's NPI (1588949028) is active in the NPPES registry as of the last update on 2011-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.