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CHASTAINS INC
NPI 1164573762
Pharmacy - Community/Retail Pharmacy in Clarkston, WA

Active since January 12, 2007
1275 HIGHLAND AVE, CLARKSTON, WA 99403(509) 758-5533(509) 751-9545 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 26, 2026, Sep 11, 2017 (2 updates tracked since 2017).

About Chastains Inc NPPES

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

CHASTAINS INC (NPI 1164573762), doing business as Owl Tri-state Pharmacy, is a healthcare organization registered as a community/retail pharmacy in Clarkston, Washington and active in the NPI registry since January 2007. The organization lists Brian Morgan Auer, Owner, as its authorized official.

NPPES Registry Identity

NPI1164573762
Entity TypeOrganization
Primary Taxonomy3336C0003X
Legal Business NameCHASTAINS INC
Location Address1275 HIGHLAND AVEClarkston, WA 99403-2846
Mailing Address1275 Highland AveClarkston, WA 99403-2846 · (509) 758-5533 · Fax (509) 751-9545
Phone(509) 758-5533
Fax(509) 751-9545
Organization SubpartNo
Authorized OfficialBrian Morgan AuerOwner · (208) 743-5528
Enumeration DateJanuary 12, 2007
Last NPPES UpdateJanuary 26, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1164573762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacy · Community/Retail PharmacySuppliers
Taxonomy Code3336C0003X
License✔ Licensed in WA · PHAR.CF.00001133
Definition
A pharmacy where pharmacists store, prepare, and dispense medicinal preparations and/or prescriptions for a local patient population in accordance with federal and state law; counsel patients and caregivers (sometimes independent of the dispensing process); administer vaccinations; and provide other professional services associated with pharmaceutical care such as health screenings, consultative services with other health care providers, collaborative practice, disease state management, and education classes.
1275 HIGHLAND AVE, Clarkston, WA 99403
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Other Names 1

Doing Business AsOwl Tri-state Pharmacy

Other Identifiers 2

Medicaid8058599ID
Medicaid6173801WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and revalidation status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chastains Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateWashingtonEnrollment IDO20170106000275DME · PharmacyDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Medical Equipment Supplier Medicare DMEPOS 3

Medicare supplier enrollment and the product categories Owl Tri State Pharmacy carries, from the Medicare DMEPOS supplier directory.

Owl Tri State Pharmacy

DMEPOS supplier · Clarkston, WAOperated by Chastains Incorporated
⋮

Does not accept Medicare assignment

Owl Tri State Pharmacy has not agreed to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients may be charged more than the Medicare-approved amount; confirm the expected cost with the supplier before ordering.

PTAN (Medicare Supplier Number)20659643
Medicare Participant SinceJanuary 1, 1998
Supplier Location1275 Highland AveClarkston, WA 99403
Phone(509) 758-5533
Supplier Specialties
Pharmacy

Medicare Product Categories

Immunosuppressive Drugs
Immunosuppressive drugs require dosage, frequency, and route of administration to prevent or treat the rejection of an organ transplant
Nebulizer Drugs
Albuterol, levalbuterol, and metaproterenol are all short-acting bronchodilators with beta-adrenergic stimulatory effect
Oral Anticancer Drugs
FDA anticancer drugs
Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. KRISTEN CLARISSA ADAMS RPH
Pharmacist
1275 HIGHLAND AVE
CLARKSTON, WA 99403
Asotin County (509) 758-5533
MS. LORI JEAN JACOBS RPH
Pharmacist
1275 HIGHLAND AVE
CLARKSTON, WA 99403
Asotin County (509) 758-2555
MS. KIMBERLY KAYE MERRILL RPH
Pharmacist
1275 HIGHLAND AVE
CLARKSTON, WA 99403
Asotin County (509) 758-5533

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 Chastains Inc's NPI number?

The NPI number for Chastains Inc is 1164573762. It was assigned to this organization in the NPPES registry on January 12, 2007. The provider is doing business as Owl Tri-State Pharmacy.

Where is Chastains Inc located?

Chastains Inc is located at 1275 Highland Ave, Clarkston, WA 99403. The listed phone number is (509) 758-5533.

What is Chastains Inc's specialty?

The primary specialty registered for this NPI is Pharmacy, specializing in Community/Retail Pharmacy, with taxonomy code 3336C0003X.

Is Chastains Inc enrolled in Medicare?

Yes. Chastains Inc is registered in the Medicare PECOS enrollment system.

When is Chastains Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (Washington, Pharmacy) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

Does Chastains Inc accept Medicare assignment for medical equipment?

No. As a Medicare medical equipment supplier, Owl Tri State Pharmacy does not accept Medicare assignment for equipment and supplies, so patients may be charged more than the Medicare-approved amount. Confirm the expected cost with the supplier before ordering.

What insurance does Chastains Inc accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 44 other insurers list Chastains Inc 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 Chastains Inc was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.