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ISAAC OVERMILLER
NPI 1053702415
Counselor in Yakima, WA

Active since February 06, 2015PECOS EnrolledAccepts Medicare Assignment
307 S 12TH AVE STE 4B, YAKIMA, WA 98902(509) 575-8451(509) 453-1273 Get Directions Write a Review

NPPES record last updated: November 30, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Jun 26, 2017, Feb 17, 2017 (3 updates tracked since 2017).

About Isaac Overmiller NPPES

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

ISAAC OVERMILLER (NPI 1053702415) is an individual counselor in Yakima, Washington, licensed in Washington (LH60715312) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1053702415
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameISAAC OVERMILLER
Location Address307 S 12TH AVE STE 4BYakima, WA 98902-3137
Mailing Address307 S 12th Ave Ste 4bYakima, WA 98902-3137 · (509) 575-8457 · Fax (509) 453-1273
Phone(509) 575-8451
Fax(509) 453-1273
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateFebruary 6, 2015
Last NPPES UpdateNovember 30, 20233 updates tracked since enumeration
NPPES CertifiedNovember 29, 2023
✔ NPI 1053702415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in WA · LH60715312
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
307 S 12TH AVE STE 4B, Yakima, WA 98902
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Isaac Overmiller 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 ID2668823774
PECOS Enrollment IDI20240112001233
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

2

Medicare enrollment records show Isaac Overmiller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yakima Valley Farm Workers Clinic
0.2 mi
Federally Qualified Health Center (FQHC)
314 S 11TH AVE
Yakima, WA 98902
  • Reassigned Medicare billing, Washington enrollment
  • 252 clinicians in this Medicare group
NPI 1033677307 (509) 902-8585
Valley Psychological Services
28 mi
Psychologist
2109 W DOLARWAY RD
Ellensburg, WA 98926
  • Reassigned Medicare billing, Washington enrollment
  • 18 clinicians in this Medicare group
NPI 1356842785 (509) 968-5086

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

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.

YVFWC-BEHAVIORAL HEALTH SERVICES
Clinic/Center (Rehabilitation, Substance Use Disorder)
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457
ESTEFANI AGUILAR
Case Manager/Care Coordinator
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457
JOSEPH ZAMBRANO
Counselor (Addiction (Substance Use Disorder))
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457
ARIANA MARIE VILLANUEVA MA, LMHCA
Counselor (Mental Health)
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457
MR. FREDY FARIAS-SANCHEZ
Counselor (Mental Health)
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457
FORREST RYAN GUILFOILE MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457
JAMES MAXSON
Psychologist
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457
CORRINNE OLSON M.A.
Counselor (Mental Health)
307 S 12TH AVE STE 4B
YAKIMA, WA 98902
Yakima County (509) 575-8457

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 Isaac Overmiller's NPI number?

The NPI number for Isaac Overmiller is 1053702415. It was assigned to this individual provider in the NPPES registry on February 6, 2015.

Where is Isaac Overmiller located?

Isaac Overmiller practices at 307 S 12th Ave Ste 4B, Yakima, WA 98902. The listed phone number is (509) 575-8451.

What is Isaac Overmiller's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Isaac Overmiller enrolled in Medicare?

Yes. Isaac Overmiller 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 Isaac Overmiller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Overmiller reassigns Medicare benefits to 2 organizations: Yakima Valley Farm Workers Clinic (Yakima, WA) and Valley Psychological Services (Ellensburg, WA). 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 Isaac Overmiller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isaac Overmiller accept?

Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Isaac Overmiller 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 Isaac Overmiller was last updated on November 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.