Isaac Hoffmaster, RD
NPI 1568988376 · Registered Dietitian · Prairie Du Sac, WI
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Hoffmaster, RD is a Registered Dietitian provider in Prairie Du Sac, WI (NPI 1568988376).
Provider details
- NPI number
- 1568988376
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Male
- Sole proprietor
- No
- License
- 86021879 (WI)
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
- 2017-08-15
- Last updated
- 2017-08-15
Frequently asked questions
- What is Isaac Hoffmaster's NPI number?
- Isaac Hoffmaster's National Provider Identifier (NPI) is 1568988376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Hoffmaster's specialty?
- Isaac Hoffmaster is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Isaac Hoffmaster located?
- Isaac Hoffmaster's practice location on file with NPPES is 260 26th St, Prairie Du Sac, WI 53578-2203.
- What is Isaac Hoffmaster's phone number?
- The practice phone number listed in the NPPES registry for Isaac Hoffmaster is (608) 643-7529.
- Does Isaac Hoffmaster accept Medicare?
- Isaac Hoffmaster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Hoffmaster's NPI active?
- Yes — Isaac Hoffmaster's NPI (1568988376) is active in the NPPES registry as of the last update on 2017-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.