Mark Mayr, RD
NPI 1215197488 · Renal Nutrition Registered Dietitian · St George, UT
Mark Mayr, RD is a Renal Nutrition Registered Dietitian provider in St George, UT (NPI 1215197488).
Provider details
- NPI number
- 1215197488
- Entity type
- Individual
- Primary specialty
- Renal Nutrition Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Male
- Sole proprietor
- No
- License
- 69782354901 (UT)
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
18 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
- 2008-06-11
- Last updated
- 2008-06-11
Frequently asked questions
- What is Mark Mayr's NPI number?
- Mark Mayr's National Provider Identifier (NPI) is 1215197488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mayr's specialty?
- Mark Mayr is listed in the NPPES registry with a primary specialty of Renal Nutrition Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mark Mayr located?
- Mark Mayr's practice location on file with NPPES is 720 S River Rd Ste D1100, St George, UT 84790-5522.
- What is Mark Mayr's phone number?
- The practice phone number listed in the NPPES registry for Mark Mayr is (435) 656-0857.
- Is Mark Mayr's NPI active?
- Yes — Mark Mayr's NPI (1215197488) is active in the NPPES registry as of the last update on 2008-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.