DR. MARK DAVID TILSON (PH.D.) – Rehabilitation Psychologist, NPI 1134345523

Rehabilitation Psychologist

DR. MARK DAVID TILSON (PH.D.) is a healthcare provider. based in Portland, Oregon. specializing in Rehabilitation Psychologist. They hold the professional credentials PH.D.. They hold a License No. 826 (OR). The NPI Number for DR. MARK DAVID TILSON (PH.D.) is 1134345523

Main info

Male

Sole Proprietor

Name

DR. MARK DAVID TILSON (PH.D.)

NPI

1134345523

Phone

(503) 413-7662

Address

1015 NW 22ND AVE

Enumeration Date

17 April 2007

Last Update Date

11 September 2025

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience62

Completeness85

Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for DR. MARK DAVID TILSON (PH.D.)

1015 NW 22ND AVE
RIO - 5 EAST
PORTLAND, OR 972103025
Phone: (503) 413-7662
Fax: (503) 413-8103
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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 97210)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Can I cross-check DR. MARK DAVID TILSON (PH.D.) using NPI 1134345523?

NPI 1134345523 belongs to DR. MARK DAVID TILSON (PH.D.); compare other details if you need extra assurance.

Is DR. MARK DAVID TILSON (PH.D.) still an active registrant?

DR. MARK DAVID TILSON (PH.D.) carries an active NPI according to the public dataset.

How would a patient describe DR. MARK DAVID TILSON (PH.D.)'s focus?

For DR. MARK DAVID TILSON (PH.D.), the primary taxonomy reads as Rehabilitation Psychologist. Clinical services aligned with this taxonomy classification.

What practice footprint exists for DR. MARK DAVID TILSON (PH.D.)?

Travel planning: use Portland, Oregon as the reference point for DR. MARK DAVID TILSON (PH.D.), then confirm.

Does inactive status remove historical data?

Historical rows can remain visible after status changes — read the dates carefully.