Gregory Keith Cook, D.C.
Chiropractor · Arvada, CO
Gregory Keith Cook, D.C. is a chiropractor with a practice address in Arvada, Colorado, and NPI 1154470805, issued on Jan 10, 2007. Check the license (Colorado 4442, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Keith Cook
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 4442 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9660 Ralston RD Ste 200, Arvada, CO 80004
- Phone
- (303) 292-9992
- Enumerated
- Jan 10, 2007
- Record last updated
- Oct 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20130418000050); may accept Medicare assignment
- Medical or professional school
- Western States College Of Chiropractic, 1997
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,349 in Colorado → Look up another NPI →
Verify Gregory Keith Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 4442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $22.17
1 payment: food and beverage; the largest payer was Fidia Pharma USA Inc. The 1,456 providers of this specialty with any payment received $336.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Downtowns Health Care LLCArvada, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Keith Cook among 2,349 chiropractor records in Colorado
Gregory Keith Cook, D.C. is one of 2,349 chiropractor records with a practice address in Colorado. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 53% newer
- In a Medicare fileYes · 12% of these records are
- In the CMS Doctors and Clinicians fileYes · 28% of these records are
- Graduated1997 · median 2006 among the 646 with a school on file
- Record last updated2025 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 chiropractor records list a practice address in Arvada
They are 45 of the 1,784 NPPES records with a practice address in Arvada, and 2,349 chiropractor records in Colorado.
All 2,349 in Colorado → Every provider in Arvada → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Todd Cadwell, DCArvada, CO 800041538285333
- Kathleen ColemanArvada, CO 800041215300751
- Breanne Hinz, D.C.Arvada, CO 800041487928081
- Daniel Perkins, D.C.Arvada, CO 800041295839215
- Ashley Saylor, D.C. B.S.Arvada, CO 800041922346915
- Gary Spears, D. C.Arvada, CO 800041922109685
- Kayla Walden, DCArvada, CO 800041629920152
- Homer Wall, D.C.Arvada, CO 800041518140029
Common questions
What is Gregory Keith Cook, D.C.'s NPI number?
Gregory Keith Cook, D.C.'s National Provider Identifier (NPI) is 1154470805, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Keith Cook, D.C. located?
The NPPES record lists a practice address at 9660 Ralston RD Ste 200, Arvada, CO, 80004. Phone: (303) 292-9992. Providers update this record themselves, so call before visiting.
How can I verify Gregory Keith Cook, D.C.'s license?
NPPES lists Colorado license number 4442, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.