MR. WILLIAM HAROLD ARP-HOWARD
NPI 1326320425
Counselor - Mental Health in Corvallis, OR

Q: What is William Arp-howard's NPI number?

The NPI number for William Arp-howard is 1326320425. It was assigned to this individual provider in the NPPES registry on September 14, 2011. The provider is also known as Mr. William Harold Howard.

Q: What is William Arp-howard's specialty?

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

Active since September 14, 2011PECOS Enrolled

530 NW 27TH ST, CORVALLIS, OR 97330(541) 766-6835(541) 766-6186 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mr. William Harold Arp-howard NPPES

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

MR. WILLIAM HAROLD ARP-HOWARD (NPI 1326320425) is an individual mental health provider in Corvallis, Oregon and active in the NPI registry since September 2011. He is enrolled in Medicare PECOS and maintains a secondary practice location in Tigard.

NPPES Registry Identity

NPI1326320425

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameMR. WILLIAM HAROLD ARP-HOWARD

Location Address530 NW 27TH STCorvallis, OR 97330-5223

Mailing AddressPo Box 579Corvallis, OR 97339-0579 · (541) 766-6835 · Fax (541) 766-6186

Phone(541) 766-6835

Fax(541) 766-6186

Sole ProprietorNo

Enumeration DateSeptember 14, 2011

Last NPPES UpdateApril 29, 2026

NPPES CertifiedApril 29, 2026

✔ NPI 1326320425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X

Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X

530 NW 27TH ST, Corvallis, OR 97330

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Other Names 1

Former Name (1)Mr. William Harold Howard

Secondary Practice Location 1

Location 110313 SW 69th AveTigard, OR 97223-9103 · Phone (541) 948-5058

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, PacificSource Health Plans, Regence BlueCross BlueShield of Oregon.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William Harold Arp-howard is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

STEPHANIE D GUERENA

Counselor (Addiction (Substance Use Disorder))