What is Mark Davis's NPI number?

Mark Davis's National Provider Identifier (NPI) is 1972888378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Davis's specialty?

Mark Davis is listed in the NPPES registry with a primary specialty of Naturopath (Other Service Providers).

Where is Mark Davis located?

Mark Davis's practice location on file with NPPES is 5432 N Maryland Ave, Portland, OR 97217-4548.

What is Mark Davis's phone number?

The practice phone number listed in the NPPES registry for Mark Davis is (971) 231-4325.

Is Mark Davis's NPI active?

Yes — Mark Davis's NPI (1972888378) is active in the NPPES registry as of the last update on 2011-10-17.

IndividualActive

Mark Davis, ND

NPI 1972888378 · Naturopath · Portland, OR

Mark Davis, ND is a Naturopath provider in Portland, OR (NPI 1972888378).

Provider details

NPI number: 1972888378
Entity type: Individual
Primary specialty: NaturopathOther Service Providers
Credential: ND
Sex: Male
Sole proprietor: Yes
License: 1842 (OR)

Practice location

5432 N Maryland Ave

Portland, OR 97217-4548

Phone: (971) 231-4325

Fax: (971) 239-1913

Street-level locationGet directions

More OR providers

Mailing address

5432 N Maryland Ave

Portland, OR 97217-4548

Specialties & taxonomies

NaturopathPrimary175F00000XLicense 1842 (OR)
Other Service Providers

Profile Score

Detailed profile(81/100 index)

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

Registry tenure38% of score
15 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.

Enumerated: 2011-10-17
Last updated: 2011-10-17

Frequently asked questions

What is Mark Davis's NPI number?: Mark Davis's National Provider Identifier (NPI) is 1972888378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mark Davis's specialty?: Mark Davis is listed in the NPPES registry with a primary specialty of Naturopath (Other Service Providers).
Where is Mark Davis located?: Mark Davis's practice location on file with NPPES is 5432 N Maryland Ave, Portland, OR 97217-4548.
What is Mark Davis's phone number?: The practice phone number listed in the NPPES registry for Mark Davis is (971) 231-4325.
Is Mark Davis's NPI active?: Yes — Mark Davis's NPI (1972888378) is active in the NPPES registry as of the last update on 2011-10-17.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions