DR. WILLIAM B STREK (M.D.) – Psychiatry Physician, NPI 1447228085

DR. WILLIAM B STREK (M.D.) is a healthcare provider. based in Eugene, Oregon. specializing in PSYCHIATRY. They hold the professional credentials M.D.. They hold a License No. MD21737 (OR). The NPI Number for DR. WILLIAM B STREK (M.D.) is 1447228085

Main info

Male
41 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM B STREK (M.D.)
NPI
1447228085
Phone
Not provided
Address
PO BOX 24410
Enumeration Date
9 March 2006
Last Update Date
1 May 2026

Doctor Profile

Medical School Name
UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Secondary Phone
5417062768
Graduation Year
1985 (41 years ago)
PAC ID
5597751917
Group Practice PAC ID
3870402852
Professional Enrollment ID
I20040421001769
Address ID
OR977016015BE2500XRDXX400

Contacts

Secure Messaging
wstrek208059@secure.stcharleshealthcare.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness95
Years active:20State licenses:2Other names

710 PSYCHIATRY in WA

Provider Addresses for DR. WILLIAM B STREK (M.D.)

  • PO BOX 24410

    EUGENE, OR 974020451

    Phone:

    Type: Mailing

  • 1615 Delaware St

    Longview, WA 986322367

    Phone: (360) 636-4836

    Fax: (360) 636-6792

    Type: Location

  • 3333 Riverbend Dr

    Behavioral Health

    Springfield, OR 974778800

    Phone: (541) 222-2185

    Type: Location

  • 2500 NE NEFF RD

    BEND, OR 977016015

    Phone: (541) 382-4321

    Type: Location

  • Sacred Heart Medical Center at Riverbend, 3333, Riverbend Drive, Springfield, Lane County, Oregon, 97477, United States

    BEHAVIORAL HEALTH

    SPRINGFIELD, OR 974778800

    Phone: (541) 222-2185

    Type: Location

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: 2004-04-21

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040421001769IPsychiatryORTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes13831$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes7323$0
90792Psychiatric diagnostic evaluation with medical services5848$0
99239Hospital discharge day management, more than 30 minutes2621$0
View full utilization report →

Insurance plans in this area (ZIP 97402)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3870402852View full group profile
NameSpecialtyState
Family PracticeOR
Internal MedicineCA
N E U R O L O G YOR
Internal MedicineOR
-OR
P S Y C H I A T R YOR
-OR
-OR
Internal Medicine, HospitalistOR
N E U R O L O G YOR

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Frequently asked questions

How is DR. WILLIAM B STREK (M.D.) identified in CMS data?
CMS-hosted NPPES data lists DR. WILLIAM B STREK (M.D.) with NPI 1447228085.
Does CMS list DR. WILLIAM B STREK (M.D.) as active?
Yes — DR. WILLIAM B STREK (M.D.) is active in the NPI listing used on this page.
What is DR. WILLIAM B STREK (M.D.) best known for clinically?
Directory data describes DR. WILLIAM B STREK (M.D.) with Psychiatry Physician. Clinical services aligned with this taxonomy classification.
Where should I expect DR. WILLIAM B STREK (M.D.) on a map?
Expect Eugene, Oregon as a primary anchor for DR. WILLIAM B STREK (M.D.) unless the record lists multiple sites.
Why does DR. WILLIAM B STREK (M.D.) have multiple addresses?
5 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.