Dr. Derek Simpson , DC, ND
Chiropractor β’ Tumwater, WA
6009 Capitol Blvd Sw Ste 103c
Tumwater, WA 985015295
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
6009 Capitol Blvd Sw Ste 103c
Tumwater, WA 985015295
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Chehalis, WA. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Chiropractor: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $81.55 in 2025
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2025.
NPI first issued
2010
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Tumwater and Washington
38 active clinicians are listed under Chiropractor with a practice address in Tumwater, WA (3,009 in Washington).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Tumwater
0% of these 38 clinicians have the CMS telehealth indicator.
44.7% of these 38 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2025 only.
Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): fewer than 11 records totaling $81.55.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Medline Industries LP |
Food and Beverage
In-kind items and services
|
β | General | $81.55 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2022-06-15NUCC Taxonomy Code: 111N00000X
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.
NUCC Taxonomy Code: 175F00000X
Diagnoses, treats, and cares for patients, using system of practice that bases treatment of physiological functions and abnormal conditions on natural laws governing human body: Utilizes physiological, psychological, and mechanical methods, such as air, water, light, heat, earth, phototherapy, food and herb therapy, psychotherapy, electrotherapy, physiotherapy, minor and orificial surgery, mechanotherapy, naturopathic corrections and manipulation, and natural methods or modalities, together with natural medicines, natural processed foods, and herbs and nature's remedies. Excludes major surgery, therapeutic use of x ray and radium, and use of drugs, except those assimilable substances containing elements or compounds which are components of body tissues and are physiologically compatible to body processes for maintenance of life.
Secondary Practice Locations
710 Highway 603
Chehalis, WA 985329064
Phone: 8155076208
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 6009 CAPITOL BLVD SW STE 103C, TUMWATER, WA 985015295 (Tel: 3603383735)
Registered at 710 HIGHWAY 603, CHEHALIS, WA 985329064 (Tel: 8155076208)
Registered at 1412 E YELM AVE, STE C101, YELM, WA 985978328 (Tel: 3604587533)
Registered at 1412 E YELM AVE, STE C101, YELM, WA 985978328 (Tel: 8155076208)
Naturopath (license number reported to NPPES: WA NT60736006)
Registered at 710 HIGHWAY 603, CHEHALIS, WA 985329064 (Tel: 8155076208)
Registered at 710 HIGHWAY 603, CHEHALIS, WA 985329064 (Tel: 8155076208)
Registered at 2627 CAPITAL MALL DR SW # B3A, OLYMPIA, WA 985028696 (Tel: 3607866322)
Registered at 2627 CAPITAL MALL DR SW # B3A, OLYMPIA, WA 985028696 (Tel: 3607866322)
Chiropractor (license number reported to NPPES: WA CHIR.CH.60836756)
NPI status registered as active in NPPES database
Registered at PO BOX 2728, OLYMPIA, WA 985072728 (Tel: 8024383627)
Registered at 350 S SCHMALE RD, SUITE #110, CAROL STREAM, IL 601882794 (Tel: 7082685889)
Recorded as DEREK SIMPSON, D.C., N.D.
Naturopath (license number reported to NPPES: WA NT60736006)
NPI status registered as active in NPPES database
Registered at 350 S SCHMALE RD, SUITE #110, CAROL STREAM, IL 601882794 (Tel: 7082685889)
Registered at 200 E ROOSEVELT RD, #50, LOMBARD, IL 601484539 (Tel: 7082685889)
Recorded as DEREK SIMPSON, D.C.
Chiropractor (license number reported to NPPES: IL 038.011754)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Chiropractors in Tumwater
- Dr. Brent Manley, DC
- Dr. Christopher Juergens, DC
- Dr. Travis Lowery, DC
- Dr. Chelsie Still, DC
- Ryen Castro, CH61098842
- Dr. Joshua Christensen, DC
Mailing Address
710 Highway 603
Chehalis, WA 985329064
Phone: 8155076208