What is Markham Giblin's NPI number?

Markham Giblin's National Provider Identifier (NPI) is 1013971167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Markham Giblin's specialty?

Markham Giblin is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Markham Giblin located?

Markham Giblin's practice location on file with NPPES is 1300 Nw Harrison Blvd, Corvallis, OR 97330-5916.

What is Markham Giblin's phone number?

The practice phone number listed in the NPPES registry for Markham Giblin is (541) 738-6516.

Is Markham Giblin's NPI active?

Yes — Markham Giblin's NPI (1013971167) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Markham Giblin, PHD

NPI 1013971167 · Psychologist · Corvallis, OR

Markham Giblin, PHD is a Psychologist provider in Corvallis, OR (NPI 1013971167).

Provider details

NPI number: 1013971167
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Male
License: 925 (OR)

Practice location

1300 Nw Harrison Blvd

Ste # 140

Corvallis, OR 97330-5916

Phone: (541) 738-6516

Fax: (541) 738-6517

Street-level locationGet directions

More OR providers

Mailing address

1300 Nw Harrison Blvd

Corvallis, OR 97330-5916

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 925 (OR)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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: 2006-04-14
Last updated: 2007-07-08

Frequently asked questions

What is Markham Giblin's NPI number?: Markham Giblin's National Provider Identifier (NPI) is 1013971167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Markham Giblin's specialty?: Markham Giblin is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
Where is Markham Giblin located?: Markham Giblin's practice location on file with NPPES is 1300 Nw Harrison Blvd, Corvallis, OR 97330-5916.
What is Markham Giblin's phone number?: The practice phone number listed in the NPPES registry for Markham Giblin is (541) 738-6516.
Is Markham Giblin's NPI active?: Yes — Markham Giblin's NPI (1013971167) 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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions