MR. MARK WILLIAM DOUGLASS (LPC) – Professional Counselor, NPI 1023283660

MR. MARK WILLIAM DOUGLASS (LPC) is a healthcare provider. based in Portland, Oregon. specializing in Professional Counselor. They hold the professional credentials LPC. They hold a License No. C2839 (OR). The NPI Number for MR. MARK WILLIAM DOUGLASS (LPC) is 1023283660

Main info

Male
Sole Proprietor
Name
MR. MARK WILLIAM DOUGLASS (LPC)
NPI
1023283660
Phone
(503) 238-0769
Address
PO BOX 8459
Enumeration Date
24 April 2008
Last Update Date
24 November 2023
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience74
Completeness75
Years active:18State licenses:2Digital endpointsOther names

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Provider Addresses for MR. MARK WILLIAM DOUGLASS (LPC)

  • 8459, Northwest Ash Street, Taylor Crest, West Haven, Portland, Metro, Washington County, Oregon, 97229, United States

    PORTLAND, OR 972078459

    Phone: (503) 238-0769

    Type: Mailing

  • Emerge, 412, Southwest 12th Avenue, University District, Portland Downtown, Portland, Metro, Multnomah County, Oregon, 97205, United States

    PORTLAND, OR 972052329

    Phone: (503) 228-7134

    Type: Location

  • 10180 SE SUNNYSIDE RD

    CLACKAMAS, OR 970158970

    Phone: (503) 571-0878

    Fax: (503) 517-0866

    Type: Mailing

  • 10920 SW BARBUR BLVD.

    PORTLAND, OR 97219

    Phone: (503) 244-4500

    Fax: (503) 244-2008

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-03-04

PECOS data refreshed: 2026-05-27

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 97207)

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Reviews

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Frequently asked questions

Can I verify MR. MARK WILLIAM DOUGLASS (LPC) with an NPI only?
You can start verification with NPI 1023283660 for MR. MARK WILLIAM DOUGLASS (LPC), then check state licensing separately.
Is MR. MARK WILLIAM DOUGLASS (LPC) listed as active for patients and plans?
The listing shows MR. MARK WILLIAM DOUGLASS (LPC) as active in the NPI system.
What taxonomy line describes MR. MARK WILLIAM DOUGLASS (LPC)?
For research purposes, treat MR. MARK WILLIAM DOUGLASS (LPC) as Professional Counselor in this dataset. Clinical services aligned with this taxonomy classification.
Where is MR. MARK WILLIAM DOUGLASS (LPC) based?
MR. MARK WILLIAM DOUGLASS (LPC) is tied to Portland, Oregon in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
6 practice locations appear in the available data.

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