Mark Douglass, LPC
NPI 1023283660 · Professional Counselor · Clackamas, OR
Enrolled with Medicare as Order and Referring Only - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Douglass, LPC is a Professional Counselor provider in Clackamas, OR (NPI 1023283660).
Provider details
- NPI number
- 1023283660
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Male
- Sole proprietor
- Yes
- License
- C2839 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-04-24
- Last updated
- 2023-11-24
- Certified
- 2023-11-24
Frequently asked questions
- What is Mark Douglass's NPI number?
- Mark Douglass's National Provider Identifier (NPI) is 1023283660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Douglass's specialty?
- Mark Douglass is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Douglass located?
- Mark Douglass's practice location on file with NPPES is 10180 Se Sunnyside Rd, Clackamas, OR 97015-8970.
- What is Mark Douglass's phone number?
- The practice phone number listed in the NPPES registry for Mark Douglass is (503) 517-0878.
- Does Mark Douglass accept Medicare?
- Mark Douglass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Douglass's NPI active?
- Yes — Mark Douglass's NPI (1023283660) is active in the NPPES registry as of the last update on 2023-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.