WILLIAM L GILLASPIE MD
NPI 1467582239
Family Medicine in Wheat Ridge, CO
About William L Gillaspie Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM L GILLASPIE MD (NPI 1467582239) is an individual family medicine provider in Wheat Ridge, Colorado, licensed in Colorado (43272) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
William L Gillaspie Md 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 Reassignments
2Medicare enrollment records show William Gillaspie reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80218
- Reassigned Medicare billing, Colorado enrollment
- 90 clinicians in this Medicare group
Denver, CO 80247
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Colorado Permanente Medical Group PC
- 1,715 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
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 William Gillaspie's NPI number?
The NPI number for William Gillaspie is 1467582239. It was assigned to this individual provider in the NPPES registry on March 7, 2007.
Where is William Gillaspie located?
William Gillaspie practices at 4803 Ward Rd, Wheat Ridge, CO 80033. The listed phone number is (303) 338-4545.
What is William Gillaspie's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Gillaspie enrolled in Medicare?
Yes. William Gillaspie 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 organizations bill Medicare for William Gillaspie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Gillaspie reassigns Medicare benefits to 2 organizations: Uptown Community Health Center Inc (Denver, CO) and Colorado Permanente Medical Group, P.C. (Denver, CO). Each 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 William Gillaspie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Gillaspie accept?
Health plans from Select Health and UnitedHealthcare list William Gillaspie 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 William Gillaspie was last updated on June 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# William L Gillaspie, MD · NPI 1467582239
Family Medicine physician in Wheat Ridge, Colorado. Individual provider, active in the CMS NPPES registry since March 7, 2007.
## Identity
- **NPI:** 1467582239 (Entity type: Individual)
- **Enumerated:** March 7, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 43272 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 4803 WARD RD, Wheat Ridge, CO 80033-1902
- **Phone:** (303) 338-4545
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Uptown Community Health Center Inc (NPI 1619844669, Denver, CO); Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2003
## Record status
- **NPPES last updated:** June 8, 2021
- **Other identifiers:** Medicaid 13608304 (CO); Other 017598; Other P01605374 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1467582239) · Data from the CMS NPPES public registry.