MARILYN BERKO
NPI 1164454526
Pediatrics in Toppenish, WA

Active since July 07, 2006Opted out of Medicare · through Sep 13, 2026
510 W 1ST AVE, TOPPENISH, WA 98948(509) 865-5600(509) 865-5783 Get Directions Write a Review

NPPES record last updated: December 6, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 6, 2019, Mar 7, 2019, Mar 17, 2018 (3 updates tracked since 2018).

About Marilyn Berko NPPES

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

MARILYN BERKO (NPI 1164454526) is an individual pediatrics provider in Toppenish, Washington, licensed in Washington (MD00032155) and active in the NPI registry since July 2006. She has opted out of Medicare through September 13, 2026 and remains eligible to order and refer and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1164454526
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARILYN BERKO
Location Address510 W 1ST AVEToppenish, WA 98948-1564
Mailing Address2720 85th Ave SwTumwater, WA 98512-7511 · (360) 250-9135
Fax(509) 865-5783
Sole ProprietorNo
Enumeration DateJuly 7, 2006
Last NPPES UpdateDecember 6, 20193 updates tracked since enumeration
NPI 1164454526 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses Licensed in WA · MD00032155 Licensed in OR · MD175787
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
510 W 1ST AVE, Toppenish, WA 98948

Other Names 1

Professional Name (2)Marilyn Ahearn Md

Secondary Practice Locations 2

Location 1247 Professional WayShelton, WA 98584-4404 · Phone (253) 403-1444
Location 2610 NW 11th StHermiston, OR 97838-6601 · Phone (541) 667-3400

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Marilyn Berko has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 13, 2022 through September 13, 2026.

Opt-Out Effective DateSeptember 13, 2022
Opt-Out In Effect ThroughSeptember 13, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98948 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

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.

Internal Medicine
510 W 1ST AVE
TOPPENISH, WA 98948
Social Worker (Clinical)
510 W 1ST AVE
TOPPENISH, WA 98948
Student in an Organized Health Care Education/Training Program
510 W 1ST AVE
TOPPENISH, WA 98948
Internal Medicine
510 W 1ST AVE
TOPPENISH, WA 98948
Internal Medicine
510 W 1ST AVE
TOPPENISH, WA 98948
Pharmacist
510 W 1ST AVE
TOPPENISH, WA 98948
Internal Medicine
510 W 1ST AVE
TOPPENISH, WA 98948
Physician Assistant
510 W 1ST AVE
TOPPENISH, WA 98948

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 Marilyn Berko's NPI number?

The NPI number for Marilyn Berko is 1164454526. It was assigned to this individual provider in the NPPES registry on July 7, 2006. The provider is also known as Marilyn Ahearn MD.

Where is Marilyn Berko located?

Marilyn Berko practices at 510 W 1st Ave, Toppenish, WA 98948. The listed phone number is (509) 865-5600.

What is Marilyn Berko's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Marilyn Berko enrolled in Medicare?

No. Marilyn Berko has opted out of Medicare through September 13, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Marilyn Berko accept?

Health plans from Providence Health Plan list Marilyn Berko 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 Marilyn Berko was last updated on December 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.