Crystal Petersen, RDN, LD
NPI 1659881597 · Registered Dietitian · Grundy Center, IA
Crystal Petersen, RDN, LD is a Registered Dietitian provider in Grundy Center, IA (NPI 1659881597).
Provider details
- NPI number
- 1659881597
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN, LD
- Sex
- Female
- Sole proprietor
- No
- License
- 00703 (IA)
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
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
Mailing address
Registry dates
- Enumerated
- 2017-10-05
- Last updated
- 2017-10-05
Frequently asked questions
- What is Crystal Petersen's NPI number?
- Crystal Petersen's National Provider Identifier (NPI) is 1659881597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Petersen's specialty?
- Crystal Petersen is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Crystal Petersen located?
- Crystal Petersen's practice location on file with NPPES is 201 E J Ave, Grundy Center, IA 50638-2028.
- What is Crystal Petersen's phone number?
- The practice phone number listed in the NPPES registry for Crystal Petersen is (319) 824-5421.
- Is Crystal Petersen's NPI active?
- Yes — Crystal Petersen's NPI (1659881597) is active in the NPPES registry as of the last update on 2017-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.