DR. WENDY S MACLEAN DO
NPI 1801023155
Family Medicine in Littleton, CO
About Dr. Wendy S Maclean Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WENDY S MACLEAN DO (NPI 1801023155) is an individual family medicine provider in Littleton, Colorado, licensed in Colorado (DR.0070511) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2009).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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 and accepts Medicare assignment
Dr. Wendy S Maclean Do 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 Wendy Maclean reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80247
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Colorado Permanente Medical Group PC
- 1,715 clinicians in this Medicare group
Belleville, IL 62226
- Reassigned Medicare billing, Illinois enrollment
- 111 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 2
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 80123 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 Wendy Maclean's NPI number?
The NPI number for Wendy Maclean is 1801023155. It was assigned to this individual provider in the NPPES registry on June 14, 2009. The provider is also known as Wendy Sze Ting Lam.
Where is Wendy Maclean located?
Wendy Maclean practices at 5257 S Wadsworth Blvd, Littleton, CO 80123. The listed phone number is (303) 338-4545.
What is Wendy Maclean's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Wendy Maclean enrolled in Medicare?
Yes. Wendy Maclean 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 Wendy Maclean's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Maclean reassigns Medicare benefits to 2 organizations: Colorado Permanente Medical Group, P.C. (Denver, CO) and Emergency Services Midwest Sc (Belleville, IL). 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 Wendy Maclean'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 Wendy Maclean was last updated on July 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Wendy S Maclean, DO · NPI 1801023155
Family Medicine physician in Littleton, Colorado. Individual provider, active in the CMS NPPES registry since June 14, 2009.
## Identity
- **NPI:** 1801023155 (Entity type: Individual)
- **Enumerated:** June 14, 2009
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** DR.0070511 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 5257 S WADSWORTH BLVD, Littleton, CO 80123-2228
- **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): Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO); Emergency Services Midwest Sc (NPI 1174024806, Belleville, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2009
## Record status
- **NPPES last updated:** July 12, 2024
- **Other identifiers:** Other 029506 (CO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1801023155) · Data from the CMS NPPES public registry.