DR. WARREN IKPOMOSA OKUNS M.D.
NPI 1134385461
Family Medicine in Tualatin, OR

Q: What is Warren Okuns's NPI number?

The NPI number for Warren Okuns is 1134385461. It was assigned to this individual provider in the NPPES registry on August 6, 2008.

Q: What is Warren Okuns's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Warren Okuns was last updated on September 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since August 06, 2008PECOS EnrolledAccepts Medicare Assignment

19875 SW 65TH AVE, SUITE 100, TUALATIN, OR 97062(503) 692-7785(503) 692-2520 Get Directions Write a Review

NPPES record last updated: September 22, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Warren Ikpomosa Okuns M.d. NPPES

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

DR. WARREN IKPOMOSA OKUNS M.D. (NPI 1134385461) is an individual family medicine provider in Tualatin, Oregon, licensed in Oregon (MD155468) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Legacy Silverton Medical Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1134385461

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. WARREN IKPOMOSA OKUNSCredential: M.D.

Location Address19875 SW 65TH AVE, SUITE 100Tualatin, OR 97062-8353

Mailing AddressPo Box 3777Portland, OR 97208-3777 · (503) 413-3900 · Fax (503) 413-3710

Phone(503) 692-7785

Fax(503) 692-2520

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateAugust 6, 2008

Last NPPES UpdateSeptember 22, 2011

✔ NPI 1134385461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in OR · MD155468✔ Licensed in FL · TRN12110

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

19875 SW 65TH AVE, Tualatin, OR 97062

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Warren Ikpomosa Okuns M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698949717

PECOS Enrollment IDI20111129000298

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.

Medicare Billing Reassignments

Medicare enrollment records show Warren Okuns reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Legacy Meridian Park Hospital

0.3 mi

Hospitalist

19300 SW 65TH AVE
Tualatin, OR 97062

Reassigned Medicare billing, Oregon enrollment
218 clinicians in this Medicare group

NPI 1023305034 (503) 692-1212

Cynthia Gulick, PC

4.2 mi

Family Medicine

11900 SW GREENBURG RD
Tigard, OR 97223

Reassigned Medicare billing, Oregon enrollment
22 clinicians in this Medicare group

NPI 1467675009 (503) 620-5556

Legacy Clinics LLC

11 mi

Clinic/Center

1130 NW 22ND AVE STE 220
Portland, OR 97210

Reassigned Medicare billing, Oregon enrollment
1,248 clinicians in this Medicare group

NPI 1902827272 (503) 413-2901

Galen Inpatient Physicians PC

13 mi

Hospitalist

10123 SE MARKET ST
Portland, OR 97216

Reassigned Medicare billing, Oregon enrollment
47 clinicians in this Medicare group

NPI 1184216236 (503) 257-2500

Salem Clinic, PC

32 mi

General Practice

2020 CAPITOL ST NE
Salem, OR 97303

Reassigned Medicare billing, Oregon enrollment
103 clinicians in this Medicare group

NPI 1912935594 (503) 399-2470

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

110 services38 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

49 services23 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

45 services25 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

43 services24 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

39 services20 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

24 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Legacy Silverton Medical Center

Acute Care Hospitals · Silverton, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380029

Location342 Fairview StreetSilverton, OR 97381 · Marion County

Emergency services Birthing friendly

Salem Hospital

Acute Care Hospitals · Salem, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number380051

Location890 Oak Street, SESalem, OR 97301 · Marion County

Emergency services Birthing friendly

West Valley Hospital

Critical Access Hospitals · Dallas, OR

OwnershipVoluntary non-profit - Private

CMS Certification Number381308

Location525 SE Washington StreetDallas, OR 97338 · Polk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers26 claims97 services$5.92 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers16 claims16 services$2.71 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier11 claims11 services$34.19 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. TAMMI KAYE BOSTON MD

Internal Medicine

19875 SW 65TH AVE, SUITE 100
TUALATIN, OR 97062

Washington County (503) 692-7785

DR. MARK LEO MCKINSTRY MD

Internal Medicine

19875 SW 65TH AVE
TUALATIN, OR 97062

Washington County (503) 692-7785

NANCY SUMMERS

Registered Nurse (Diabetes Educator)

19875 SW 65TH AVE, SUITE 100
TUALATIN, OR 97062

Washington County (503) 756-1080

ROBERT D COOK MD PC

Specialist

19875 SW 65TH AVE, SUITE 201
TUALATIN, OR 97062

Washington County (503) 692-3250

WILLAMETTE DERMATOLOGY, P.C.

Specialist

19875 SW 65TH AVE, SUITE 260
TUALATIN, OR 97062

Washington County (503) 691-1743

ELIZABETH FLORES M.D.

Family Medicine (Geriatric Medicine)

19875 SW 65TH AVE
TUALATIN, OR 97062

Washington County (503) 692-7785

MRS. GWEN JOHANNA GREWE M.D.

Internal Medicine

19875 SW 65TH AVE
TUALATIN, OR 97062

Washington County (503) 692-7785

DR. JONATHAN MICHAEL BERGER M.D.

Family Medicine

19875 SW 65TH AVE
TUALATIN, OR 97062

Washington County (503) 692-7785

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 Warren Okuns's NPI number?

The NPI number for Warren Okuns is 1134385461. It was assigned to this individual provider in the NPPES registry on August 6, 2008.

Where is Warren Okuns located?

Warren Okuns practices at 19875 SW 65th Ave Suite 100, Tualatin, OR 97062. The listed phone number is (503) 692-7785.

What is Warren Okuns's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Warren Okuns enrolled in Medicare?

Yes. Warren Okuns is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Warren Okuns's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Warren Okuns reassigns Medicare benefits to 5 organizations: Legacy Meridian Park Hospital (Tualatin, OR), Cynthia Gulick, PC (Tigard, OR), Legacy Clinics LLC (Portland, OR), Galen Inpatient Physicians PC (Portland, OR) and Salem Clinic, PC (Salem, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Warren Okuns's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Warren Okuns accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Warren Okuns 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.

Is Warren Okuns affiliated with any hospitals?

According to CMS data, Warren Okuns is affiliated with Legacy Silverton Medical Center, Salem Hospital and West Valley Hospital.

When was this NPI record last updated?

The NPPES record for Warren Okuns was last updated on September 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.