Teresa Sieg, RD, CDE
NPI 1962653477 · Registered Dietitian · Greeley, CO
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Sieg, RD, CDE is a Registered Dietitian provider in Greeley, CO (NPI 1962653477).
Provider details
- NPI number
- 1962653477
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CDE
- Sex
- Female
- Sole proprietor
- No
- License
- 716166
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Mailing address
Registry dates
- Enumerated
- 2008-10-02
- Last updated
- 2016-09-28
Frequently asked questions
- What is Teresa Sieg's NPI number?
- Teresa Sieg's National Provider Identifier (NPI) is 1962653477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Sieg's specialty?
- Teresa Sieg is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Teresa Sieg located?
- Teresa Sieg's practice location on file with NPPES is 1600 23rd Ave, Greeley, CO 80634-6070.
- What is Teresa Sieg's phone number?
- The practice phone number listed in the NPPES registry for Teresa Sieg is (970) 810-2424.
- Does Teresa Sieg accept Medicare?
- Teresa Sieg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Sieg's NPI active?
- Yes — Teresa Sieg's NPI (1962653477) is active in the NPPES registry as of the last update on 2016-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.