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ALTA DAWNE MAHAN D.C.
NPI 1144242389
Chiropractor in Bonney Lake, WA

Active since July 24, 2006
20119 S PRAIRIE RD E, BONNEY LAKE, WA 98391(253) 862-1555(253) 862-1557 Get Directions Write a Review

NPPES record last updated: September 20, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Alta Dawne Mahan D.c. NPPES

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

ALTA DAWNE MAHAN D.C. (NPI 1144242389) is an individual chiropractor in Bonney Lake, Washington, licensed in Washington (CH00033625) and active in the NPI registry since July 2006. She is a graduate of Palmer College Chiropractic - Davenport (1999).

NPPES Registry Identity

NPI1144242389
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameALTA DAWNE MAHANCredential: D.C.
Location Address20119 S PRAIRIE RD EBonney Lake, WA 98391-7935
Mailing Address20119 S Prairie Rd EBonney Lake, WA 98391-7935 · (253) 862-1555 · Fax (253) 862-1557
Phone(253) 862-1555
Fax(253) 862-1557
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 1999
Enumeration DateJuly 24, 2006
Last NPPES UpdateSeptember 20, 2013
✔ NPI 1144242389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WA · CH00033625
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
20119 S PRAIRIE RD E, Bonney Lake, WA 98391
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Other Names 1

Former Name (1)Alta Dawne Antypowich D.c.

Other Identifiers 1

Medicare PING8808339WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alta Dawne Mahan D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3375504947
PECOS Enrollment IDI20041026001044

Medicare Billing Reassignment

Medicare enrollment records show Alta Mahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Henschell Chiropractic, P.S.
0.1 mi
Chiropractor
19950 SOUTH PRAIRIE RD
Bonney Lake, WA 98391
  • Reassigned Medicare billing, Washington enrollment
  • 4 clinicians in this Medicare group
NPI 1255354296 (253) 862-1555

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 6

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

DR. JEFFERY WILLIAM OLSEN D.C.
Chiropractor
20119 S PRAIRIE RD E
BONNEY LAKE, WA 98391
Pierce County (253) 862-1555
SUMMER BLAKE LMT
Massage Therapist
20119 S PRAIRIE RD E
BONNEY LAKE, WA 98391
Pierce County (253) 862-1555
MICAYLA WEIDER DC
Chiropractor
20119 S PRAIRIE RD E
BONNEY LAKE, WA 98391
Pierce County (253) 862-1555
MR. MARTIN REGINALD HENSCHELL D.C.
Chiropractor
20119 S PRAIRIE RD E
BONNEY LAKE, WA 98391
Pierce County (253) 862-1555
LISA GRAY
Massage Therapist
20119 S PRAIRIE RD E
BONNEY LAKE, WA 98391
Pierce County (253) 862-1555
TINA MARBET LMP
Massage Therapist
20119 S PRAIRIE RD E
BONNEY LAKE, WA 98391
Pierce County (253) 862-1555

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 Alta Mahan's NPI number?

The NPI number for Alta Mahan is 1144242389. It was assigned to this individual provider in the NPPES registry on July 24, 2006. The provider is also known as Alta Dawne Antypowich D.C..

Where is Alta Mahan located?

Alta Mahan practices at 20119 S Prairie Rd E, Bonney Lake, WA 98391. The listed phone number is (253) 862-1555.

What is Alta Mahan's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Alta Mahan enrolled in Medicare?

Yes. Alta Mahan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alta Mahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alta Mahan reassigns Medicare benefits to Henschell Chiropractic, P.S. (Bonney Lake, WA). The 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 Alta Mahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alta Mahan accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Alta Mahan 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 Alta Mahan was last updated on September 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.