IndividualActive
Marylynne Mason, RD
NPI 1689794901 · Registered Dietitian · Watertown, WI
Marylynne Mason, RD is a Registered Dietitian provider in Watertown, WI (NPI 1689794901).
Provider details
- NPI number
- 1689794901
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 411-029 (WI)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
415 S 8th St
Watertown, WI 53094-4730
Phone: (920) 206-8488
Fax: (920) 206-8491
Street-level locationGet directions
Mailing address
415 S 8th St
Watertown, WI 53094-4730
Registry dates
- Enumerated
- 2007-03-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marylynne Mason's NPI number?
- Marylynne Mason's National Provider Identifier (NPI) is 1689794901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marylynne Mason's specialty?
- Marylynne Mason is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marylynne Mason located?
- Marylynne Mason's practice location on file with NPPES is 415 S 8th St, Watertown, WI 53094-4730.
- What is Marylynne Mason's phone number?
- The practice phone number listed in the NPPES registry for Marylynne Mason is (920) 206-8488.
- Is Marylynne Mason's NPI active?
- Yes — Marylynne Mason's NPI (1689794901) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.