DR. DAVID WILLIAM MARLER D.C.
NPI 1992047831
Chiropractor in Castle Rock, CO
About Dr. David William Marler D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID WILLIAM MARLER D.C. (NPI 1992047831) is an individual chiropractor in Castle Rock, Colorado, licensed in Colorado (CHR.0007888) and active in the NPI registry since March 2013. He maintains a secondary practice location in Albuquerque and is a graduate of Palmer College Chiropractic - Davenport (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted 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. David William Marler D.c. 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.
Medicare Billing Reassignment
Medicare enrollment records show David Marler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Castle Rock, CO 80104
- Reassigned Medicare billing, Colorado enrollment
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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 David Marler's NPI number?
The NPI number for David Marler is 1992047831. It was assigned to this individual provider in the NPPES registry on March 18, 2013.
Where is David Marler located?
David Marler practices at 4284 Trail Boss Dr Ste 120, Castle Rock, CO 80104. The listed phone number is (505) 506-6965.
What is David Marler's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is David Marler enrolled in Medicare?
Yes. David Marler 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 David Marler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Marler reassigns Medicare benefits to Marler Chiropractic (Castle Rock, CO). 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 David Marler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Marler accept?
Health plans from Providence Health Plan list David Marler 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 David Marler was last updated on February 6, 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.
# Dr. David William Marler, D.C. · NPI 1992047831
Chiropractor provider in Castle Rock, Colorado. Individual provider, active in the CMS NPPES registry since March 18, 2013.
## Identity
- **NPI:** 1992047831 (Entity type: Individual)
- **Enumerated:** March 18, 2013
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** CHR.0007888 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 4284 TRAIL BOSS DR STE 120, Castle Rock, CO 80104-7521
- **Phone:** (505) 506-6965
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Marler Chiropractic (NPI 1528523230, Castle Rock, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 2013
## Record status
- **NPPES last updated:** February 6, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1992047831) · Data from the CMS NPPES public registry.