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DR. NATHAN W CLEM DC
NPI 1205895737
Chiropractor in Seattle, WA

Active since March 22, 2006Accepts Medicare Assignment
1631 15TH AVE W, STE 114, SEATTLE, WA 98119(206) 283-7033(206) 400-7652 Get Directions Write a Review

NPPES record last updated: June 8, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nathan W Clem Dc NPPES

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

DR. NATHAN W CLEM DC (NPI 1205895737) is an individual chiropractor in Seattle, Washington, licensed in Washington (CH00034381) and active in the NPI registry since March 2006. He maintains a secondary practice location in Lynnwood and is a graduate of Palmer College Chiropractic - Davenport (2004).

NPPES Registry Identity

NPI1205895737
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. NATHAN W CLEMCredential: DC
Location Address1631 15TH AVE W, STE 114Seattle, WA 98119
Mailing Address1631 15th Ave W, Ste 114Seattle, WA 98119-2792 · (425) 771-2225 · Fax (425) 670-8121
Phone(206) 283-7033
Fax(206) 400-7652
Sole ProprietorYes
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2004
Enumeration DateMarch 22, 2006
Last NPPES UpdateJune 8, 2019
✔ NPI 1205895737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WA · CH00034381
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.
1631 15TH AVE W, Seattle, WA 98119
Open in Google Maps ↗

Secondary Practice Location 1

Location 120015 Hwy 99, Ste ALynnwood, WA 98036 · Phone (425) 771-2225 · Fax (425) 670-8121

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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 and accepts Medicare assignment

Dr. Nathan W Clem Dc 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 ID4981668936
PECOS Enrollment IDI20041118000667

Medicare Billing Reassignment

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

Collins Chiropractic, PC
10 mi
Chiropractor
619 SW 152ND ST
Burien, WA 98166
  • Reassigned Medicare billing, Washington enrollment
  • 3 clinicians in this Medicare group
NPI 1720205446 (206) 242-0998

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

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

MALI OLSON PT, DPT
Physical Therapist (Pediatrics)
1631 15TH AVE W, SUITE 103
SEATTLE, WA 98119
King County (360) 830-6005

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 Nathan Clem's NPI number?

The NPI number for Nathan Clem is 1205895737. It was assigned to this individual provider in the NPPES registry on March 22, 2006.

Where is Nathan Clem located?

Nathan Clem practices at 1631 15th Ave W Ste 114, Seattle, WA 98119. The listed phone number is (206) 283-7033.

What is Nathan Clem's specialty?

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

Is Nathan Clem enrolled in Medicare?

Yes. Nathan Clem 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 organization bills Medicare for Nathan Clem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Clem reassigns Medicare benefits to Collins Chiropractic, PC (Burien, 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 Nathan Clem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Clem accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Nathan Clem 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 Nathan Clem was last updated on June 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.