ELAINE Y. WENG MD
NPI 1790892537
Radiology - Radiation Oncology in Denver, CO
About Elaine Y. Weng Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELAINE Y. WENG MD (NPI 1790892537) is an individual radiation oncology provider in Denver, Colorado, licensed in Colorado (DR.0038621) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Westminster.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Elaine Y. Weng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Elaine Weng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80230
- Reassigned Medicare billing, Colorado enrollment
- 1,193 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 80262 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.
DENVER, CO 80262
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 Elaine Weng's NPI number?
The NPI number for Elaine Weng is 1790892537. It was assigned to this individual provider in the NPPES registry on August 25, 2006.
Where is Elaine Weng located?
Elaine Weng practices at 4200 E 9th Ave, Denver, CO 80262. The listed phone number is (303) 493-7000.
What is Elaine Weng's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Elaine Weng enrolled in Medicare?
Yes. Elaine Weng is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Elaine Weng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elaine Weng reassigns Medicare benefits to Catholic Health Initiatives Colorado (Denver, 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 Elaine Weng'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 Elaine Weng was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Elaine Y. Weng, MD · NPI 1790892537
Radiation Oncology physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since August 25, 2006.
## Identity
- **NPI:** 1790892537 (Entity type: Individual)
- **Enumerated:** August 25, 2006
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** DR.0038621 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 4200 E 9TH AVE, Denver, CO 80262-0001
- **Phone:** (303) 493-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Catholic Health Initiatives Colorado (NPI 1518711290, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 20, 2026
- **Other identifiers:** Medicaid 83635378 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1790892537) · Data from the CMS NPPES public registry.