MARK A WILLIAMS CADC III/LPC
NPI 1598065807
Counselor - Mental Health in Bend, OR

Active since November 02, 2010PECOS Enrolled
548 SW 13TH ST, BEND, OR 97702(541) 388-8459 Get Directions Write a Review

NPPES record last updated: December 6, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 6, 2022, Nov 9, 2018, Mar 17, 2018 (3 updates tracked since 2018).

About Mark A Williams Cadc Iii/lpc NPPES

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

MARK A WILLIAMS CADC III/LPC (NPI 1598065807) is an individual mental health provider in Bend, Oregon and active in the NPI registry since November 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1598065807
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMARK A WILLIAMSCredential: CADC III/LPC
Location Address548 SW 13TH STBend, OR 97702-3184
Mailing Address1333 Nw 9th StPrineville, OR 97754-1482 · (541) 447-2631
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateNovember 2, 2010
Last NPPES UpdateDecember 6, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2020
NPI 1598065807 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 11-06-113 (OR)
548 SW 13TH ST, Bend, OR 97702

Other Identifiers 3

Medicaid500738403OR
Medicaid500738399OR
OtherC7120OR · Oregon Lpc Lisc.

Accepted 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)

Mark A Williams Cadc Iii/lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4981106317
PECOS Enrollment IDI20250905001370
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.

Counselor
548 SW 13TH ST
BEND, OR 97702
Counselor (Mental Health)
548 SW 13TH ST
BEND, OR 97702
Counselor (Mental Health)
548 SW 13TH ST
BEND, OR 97702
Counselor (Professional)
548 SW 13TH ST
BEND, OR 97702
Counselor (Mental Health)
548 SW 13TH ST
BEND, OR 97702
Social Worker (Clinical)
548 SW 13TH ST
BEND, OR 97702
Counselor (Mental Health)
548 SW 13TH ST
BEND, OR 97702
Counselor (Mental Health)
548 SW 13TH ST
BEND, OR 97702

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 Mark Williams's NPI number?

The NPI number for Mark Williams is 1598065807. It was assigned to this individual provider in the NPPES registry on November 2, 2010.

Where is Mark Williams located?

Mark Williams practices at 548 SW 13th St, Bend, OR 97702. The listed phone number is (541) 388-8459.

What is Mark Williams's specialty?

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

Is Mark Williams enrolled in Medicare?

Yes. Mark Williams is registered in the Medicare PECOS enrollment system.

What insurance does Mark Williams accept?

Health plans from BridgeSpan Health Company, PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Mark Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Williams was last updated on December 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.