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Roberta Duncan, R.D.
NPI 1609171537 · Registered Dietitian · Fort Defiance, AZ
Roberta Duncan, R.D. is a Registered Dietitian provider in Fort Defiance, AZ (NPI 1609171537).
Provider details
- NPI number
- 1609171537
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 717946 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Corner of Route N12 and N7
Fort Defiance, AZ 86504
Phone: (928) 729-8424
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 649
Fort Defiance, AZ 86504-0649
Registry dates
- Enumerated
- 2011-01-25
- Last updated
- 2011-01-25
Frequently asked questions
- What is Roberta Duncan's NPI number?
- Roberta Duncan's National Provider Identifier (NPI) is 1609171537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roberta Duncan's specialty?
- Roberta Duncan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Roberta Duncan located?
- Roberta Duncan's practice location on file with NPPES is Corner of Route N12 and N7, Fort Defiance, AZ 86504.
- What is Roberta Duncan's phone number?
- The practice phone number listed in the NPPES registry for Roberta Duncan is (928) 729-8424.
- Is Roberta Duncan's NPI active?
- Yes — Roberta Duncan's NPI (1609171537) is active in the NPPES registry as of the last update on 2011-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.