What is Mark Maples's NPI number?

Mark Maples's National Provider Identifier (NPI) is 1891450698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Maples's specialty?

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

Where is Mark Maples located?

Mark Maples's practice location on file with NPPES is 3 Marcela Dr, Willits, CA 95490-5769.

What is Mark Maples's phone number?

The practice phone number listed in the NPPES registry for Mark Maples is (707) 456-3035.

Is Mark Maples's NPI active?

Yes — Mark Maples's NPI (1891450698) is active in the NPPES registry as of the last update on 2021-11-05.

IndividualActive

Mark Maples, RD

NPI 1891450698 · Registered Dietitian · Willits, CA

Mark Maples, RD is a Registered Dietitian provider in Willits, CA (NPI 1891450698).

Provider details

NPI number: 1891450698
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers
Obesity and Weight Management Nutrition Registered Dietitian133VN1201X
Dietary & Nutritional Service Providers
Sports Dietetics Nutrition Registered Dietitian133VN1501X
Dietary & Nutritional Service Providers

Profile Score

Established profile(59/100 index)

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

Registry tenure38% of score
4 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
2 documented practice locations

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

3 Marcela Dr

Willits, CA 95490-5769

Phone: (707) 456-3035

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address

710 S Spring St

Ukiah, CA 95482-5334

Additional practice locations (1)

1050 N State St
Ukiah, CA 95482-3414
Phone: (707) 463-7427

Enumerated: 2021-11-05
Last updated: 2021-11-05
Certified: 2021-11-05

Frequently asked questions

What is Mark Maples's NPI number?: Mark Maples's National Provider Identifier (NPI) is 1891450698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mark Maples's specialty?: Mark Maples is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
Where is Mark Maples located?: Mark Maples's practice location on file with NPPES is 3 Marcela Dr, Willits, CA 95490-5769.
What is Mark Maples's phone number?: The practice phone number listed in the NPPES registry for Mark Maples is (707) 456-3035.
Is Mark Maples's NPI active?: Yes — Mark Maples's NPI (1891450698) is active in the NPPES registry as of the last update on 2021-11-05.

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