WILLIAM SCOTT ALLAN I MD
NPI 1932272713
Internal Medicine in Wheat Ridge, CO
About William Scott Allan I Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM SCOTT ALLAN I MD (NPI 1932272713) is an individual internal medicine provider in Wheat Ridge, Colorado, licensed in Colorado (32662) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (1991).
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 Scott Allan I 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 Reassignment
Medicare enrollment records show William Allan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wheat Ridge, CO 80033
- Reassigned Medicare billing, Colorado enrollment
- 11 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.
Areas of Expertise CMS Part B claims 29
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
Referred Medical Equipment & Supplies CMS DME claims 26
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WHEAT RIDGE, CO 80033
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 Allan's NPI number?
The NPI number for William Allan is 1932272713. It was assigned to this individual provider in the NPPES registry on November 17, 2006.
Where is William Allan located?
William Allan practices at 7821 W 38th Ave, Wheat Ridge, CO 80033. The listed phone number is (303) 422-2343.
What is William Allan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Allan enrolled in Medicare?
Yes. William Allan 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 William Allan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Allan reassigns Medicare benefits to Wheat Ridge Internal Medicine PC (Wheat Ridge, 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 William Allan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Allan accept?
Health plans from Select Health list William Allan 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 Allan was last updated on April 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.