DR. VANCE MASON MD
NPI 1801869425
Obstetrics & Gynecology in Westminster, CO
About Dr. Vance Mason Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VANCE MASON MD (NPI 1801869425) is an individual obstetrics & gynecology provider in Westminster, Colorado, licensed in Colorado (27956) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Vance Mason Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Vance Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80205
- Reassigned Medicare billing, Colorado enrollment
- 118 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 80031 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 Vance Mason's NPI number?
The NPI number for Vance Mason is 1801869425. It was assigned to this individual provider in the NPPES registry on February 13, 2006.
Where is Vance Mason located?
Vance Mason practices at 8510 Bryant St, Westminster, CO 80031. The listed phone number is (303) 430-5560.
What is Vance Mason's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Vance Mason enrolled in Medicare?
Yes. Vance Mason is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Vance Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vance Mason reassigns Medicare benefits to Obstetrix Medical Group Of Colorado P C (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 Vance Mason'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 Vance Mason was last updated on November 7, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Vance Mason, MD · NPI 1801869425
Obstetrics & Gynecology physician in Westminster, Colorado. Individual provider, active in the CMS NPPES registry since February 13, 2006.
## Identity
- **NPI:** 1801869425 (Entity type: Individual)
- **Enumerated:** February 13, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 27956 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 8510 BRYANT ST, Westminster, CO 80031-3844
- **Phone:** (303) 430-5560
## 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:** Obstetrix Medical Group Of Colorado P C (NPI 1497779276, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 7, 2016
- **Other identifiers:** Medicaid 01279561 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1801869425) · Data from the CMS NPPES public registry.