IndividualActive
Matthew Chapman
NPI 1821947086 · Mental Health Counselor · Corvallis, OR
Matthew Chapman is a Mental Health Counselor provider in Corvallis, OR (NPI 1821947086).
Provider details
- NPI number
- 1821947086
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
4455 Ne Highway 20
Corvallis, OR 97330-9695
Phone: (541) 758-5900
Street-level locationGet directions
Mailing address
3415 Se Powell Blvd
Portland, OR 97202-3371
Registry dates
- Enumerated
- 2026-01-22
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Matthew Chapman's NPI number?
- Matthew Chapman's National Provider Identifier (NPI) is 1821947086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Chapman's specialty?
- Matthew Chapman is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Chapman located?
- Matthew Chapman's practice location on file with NPPES is 4455 Ne Highway 20, Corvallis, OR 97330-9695.
- What is Matthew Chapman's phone number?
- The practice phone number listed in the NPPES registry for Matthew Chapman is (541) 758-5900.
- Is Matthew Chapman's NPI active?
- Yes — Matthew Chapman's NPI (1821947086) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.