MARGARET MACY MD
NPI 1063559342
Pediatrics - Pediatric Hematology-Oncology in Aurora, CO
About Margaret Macy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET MACY MD (NPI 1063559342) is an individual pediatric hematology-oncology provider in Aurora, Colorado, licensed in Colorado (42587) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Margaret Macy 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 Margaret Macy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 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.
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.
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
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 Margaret Macy's NPI number?
The NPI number for Margaret Macy is 1063559342. It was assigned to this individual provider in the NPPES registry on January 30, 2007.
Where is Margaret Macy located?
Margaret Macy practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.
What is Margaret Macy's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Margaret Macy enrolled in Medicare?
Yes. Margaret Macy 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 Margaret Macy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Macy reassigns Medicare benefits to University Physicians Incorporated (Aurora, 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 Margaret Macy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Macy accept?
Health plans from Select Health and UnitedHealthcare list Margaret Macy 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 Margaret Macy was last updated on January 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Margaret Macy, MD · NPI 1063559342
Pediatric Hematology-Oncology physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1063559342 (Entity type: Individual)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 42587 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 13123 E 16TH AVE, Aurora, CO 80045-7106
- **Phone:** (720) 777-1234
## 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:** University Physicians Incorporated (NPI 1083662498, Aurora, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2002
## Record status
- **NPPES last updated:** January 4, 2011
- **Other identifiers:** Medicaid 87984831 (CO); Medicare PIN CO303896 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1063559342) · Data from the CMS NPPES public registry.