WHALEN CHIROPRACTIC CLINIC PC
NPI 1639503048
Chiropractor in Fort Collins, CO
About Whalen Chiropractic Clinic Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WHALEN CHIROPRACTIC CLINIC PC (NPI 1639503048) is a healthcare organization registered as a chiropractor in Fort Collins, Colorado and active in the NPI registry since August 2013. The organization lists Mary A Whalen, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Whalen Chiropractic Clinic Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Whalen Chiropractic Clinic PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Whalen Chiropractic Clinic PC's NPI number?
The NPI number for Whalen Chiropractic Clinic PC is 1639503048. It was assigned to this organization in the NPPES registry on August 21, 2013.
Where is Whalen Chiropractic Clinic PC located?
Whalen Chiropractic Clinic PC is located at 2850 Mcclelland Dr. Suite 1900, Fort Collins, CO 80525. The listed phone number is (970) 493-7340.
What is Whalen Chiropractic Clinic PC's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Whalen Chiropractic Clinic PC enrolled in Medicare?
Yes. Whalen Chiropractic Clinic PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Whalen Chiropractic Clinic PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to Whalen Chiropractic Clinic PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Whalen Chiropractic Clinic PC was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Whalen Chiropractic Clinic Pc · NPI 1639503048
Chiropractor organization in Fort Collins, Colorado. Organization record, active in the CMS NPPES registry since August 21, 2013.
## Identity
- **NPI:** 1639503048 (Entity type: Organization)
- **Enumerated:** August 21, 2013
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **Organization subpart:** No
- **Authorized official:** Mary Whalen, PRESIDENT
## Practice location
- **Address:** 2850 MCCLELLAND DR., SUITE 1900, Fort Collins, CO 80525
- **Phone:** (970) 493-7340
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Chiropractic) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639503048) · Data from the CMS NPPES public registry.