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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

WILLIAM DENMAN
NPI 1699686923
Counselor - Mental Health in Portland, OR

Active since September 15, 2026
10260 SW GREENBURG RD STE 400, PORTLAND, OR 97223(971) 802-1724 Get Directions Write a Review

NPPES record added: September 15, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About William Denman NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM DENMAN (NPI 1699686923) is an individual mental health provider in Portland, Oregon, licensed in Oregon (R10270) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1699686923
Entity TypeIndividual
Primary Taxonomy101YM0800X
Provider Legal NameWILLIAM DENMAN
Location Address10260 SW GREENBURG RD STE 400Portland, OR 97223-5514
Mailing AddressPo Box 2121South Londonderry, VT 05155-2121
Phone(971) 802-1724
Sole ProprietorNo
Enumeration DateSeptember 15, 2026
NPPES CertifiedSeptember 15, 2026
✔ NPI 1699686923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in OR · R10270
10260 SW GREENBURG RD STE 400, Portland, OR 97223
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MAYA KLEIN PSYCHOLOGY, PC
Psychologist (Clinical)
10260 SW GREENBURG RD STE 400
TIGARD, OR 97223
Washington County (503) 244-7674
DR. BABAK GOVAN PHD
Psychologist (Clinical)
10260 SW GREENBURG RD STE 400
PORTLAND, OR 97223
Washington County (503) 575-1317
MRS. MYRANDA ENDRES TOOPS
Student in an Organized Health Care Education/Training Program
10260 SW GREENBURG RD STE 400
PORTLAND, OR 97223
Washington County (503) 298-5096
TRIVITA HEALTH CENTER INC
Psychiatry & Neurology (Psychiatry)
10260 SW GREENBURG RD STE 400
PORTLAND, OR 97223
Washington County (714) 695-5837
DR. MAYA BRISTOW KLEIN PH.D.
Psychologist
10260 SW GREENBURG RD STE 400
TIGARD, OR 97223
Washington County (503) 244-7674
DANIEL JOSEPH BRISTOW M.D.
Psychiatry & Neurology (Psychiatry)
10260 SW GREENBURG RD STE 400
PORTLAND, OR 97223
Washington County (503) 966-5417
DUET PROVIDER GROUP, LLC
Family Medicine
10260 SW GREENBURG RD STE 400
PORTLAND, OR 97223
Washington County (305) 676-5435
MELISA DE SEGUIRANT LPC, LMFT (OR, CA)
Counselor (Professional)
10260 SW GREENBURG RD STE 400
PORTLAND, OR 97223
Washington County (971) 270-0868

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Denman's NPI number?

The NPI number for William Denman is 1699686923. It was assigned to this individual provider in the NPPES registry on September 15, 2026.

Where is William Denman located?

William Denman practices at 10260 SW Greenburg Rd Ste 400, Portland, OR 97223. The listed phone number is (971) 802-1724.

What is William Denman's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for William Denman was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.