Marlen Tanner, RD
NPI 1871828962 · Registered Dietitian · Morro Bay, CA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marlen Tanner, RD is a Registered Dietitian provider in Morro Bay, CA (NPI 1871828962).
Provider details
- NPI number
- 1871828962
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
- License
- CDR# 929304 (CA)
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
16 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
- 2009-10-07
- Last updated
- 2025-05-23
- Certified
- 2025-05-23
Frequently asked questions
- What is Marlen Tanner's NPI number?
- Marlen Tanner's National Provider Identifier (NPI) is 1871828962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlen Tanner's specialty?
- Marlen Tanner is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marlen Tanner located?
- Marlen Tanner's practice location on file with NPPES is 2598 Main St, Morro Bay, CA 93442-1553.
- What is Marlen Tanner's phone number?
- The practice phone number listed in the NPPES registry for Marlen Tanner is (805) 591-0712.
- Does Marlen Tanner accept Medicare?
- Marlen Tanner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marlen Tanner's NPI active?
- Yes — Marlen Tanner's NPI (1871828962) is active in the NPPES registry as of the last update on 2025-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.