DR. DARRIN WILLIAM ROBERTSON D.C.
NPI 1235226895
Chiropractor in Littleton, CO
About Dr. Darrin William Robertson D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DARRIN WILLIAM ROBERTSON D.C. (NPI 1235226895) is an individual chiropractor in Littleton, Colorado, licensed in Colorado (5187) and active in the NPI registry since October 2006.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Darrin William Robertson D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Darrin Robertson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Montrose, CO 81401
- 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 Darrin Robertson's NPI number?
The NPI number for Darrin Robertson is 1235226895. It was assigned to this individual provider in the NPPES registry on October 6, 2006.
Where is Darrin Robertson located?
Darrin Robertson practices at 5590 S Windermere St, Littleton, CO 80120. The listed phone number is (303) 347-1909.
What is Darrin Robertson's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Darrin Robertson enrolled in Medicare?
Yes. Darrin Robertson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Darrin Robertson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darrin Robertson reassigns Medicare benefits to San Juan Rehabilitative Therapies (Montrose, 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 Darrin Robertson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Darrin Robertson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Darrin William Robertson, D.C. · NPI 1235226895
Chiropractor provider in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since October 6, 2006.
## Identity
- **NPI:** 1235226895 (Entity type: Individual)
- **Enumerated:** October 6, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 5187 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 5590 S WINDERMERE ST, Littleton, CO 80120-1245
- **Phone:** (303) 347-1909 · **Fax:** (303) 347-1918
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** San Juan Rehabilitative Therapies (NPI 1831144211, Montrose, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 455258 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1235226895) · Data from the CMS NPPES public registry.