What is Derek Groathouse's NPI number?

Derek Groathouse's National Provider Identifier (NPI) is 1881463370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Derek Groathouse's specialty?

Derek Groathouse is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Derek Groathouse located?

Derek Groathouse's practice location on file with NPPES is 3801 S James St Ste 400, Grimes, IA 50111-5167.

What is Derek Groathouse's phone number?

The practice phone number listed in the NPPES registry for Derek Groathouse is (515) 695-3767.

Does Derek Groathouse accept Medicare?

Derek Groathouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Derek Groathouse's NPI active?

Yes — Derek Groathouse's NPI (1881463370) is active in the NPPES registry as of the last update on 2023-12-26.

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Derek Groathouse, RD

NPI 1881463370 · Registered Dietitian · Grimes, IA

Derek Groathouse, RD is a Registered Dietitian provider in Grimes, IA (NPI 1881463370).

Provider details

NPI number: 1881463370
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Male
Sole proprietor: No
License: 121584 (IA)

Practice location

3801 S James St Ste 400

Grimes, IA 50111-5167

Phone: (515) 695-3767

Street-level locationGet directions

More IA providers

Mailing address

3515 S Duff Ave

Ames, IA 50010-8504

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 121584 (IA)
Dietary & Nutritional Service Providers

Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 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.

Enumerated: 2023-12-26
Last updated: 2023-12-26
Certified: 2023-12-18

Frequently asked questions

What is Derek Groathouse's NPI number?: Derek Groathouse's National Provider Identifier (NPI) is 1881463370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Derek Groathouse's specialty?: Derek Groathouse is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
Where is Derek Groathouse located?: Derek Groathouse's practice location on file with NPPES is 3801 S James St Ste 400, Grimes, IA 50111-5167.
What is Derek Groathouse's phone number?: The practice phone number listed in the NPPES registry for Derek Groathouse is (515) 695-3767.
Does Derek Groathouse accept Medicare?: Derek Groathouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Derek Groathouse's NPI active?: Yes — Derek Groathouse's NPI (1881463370) is active in the NPPES registry as of the last update on 2023-12-26.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions