DR. KRISTIN JAN VIREN M.D.
NPI 1376578153
Family Medicine in Denver, CO
About Dr. Kristin Jan Viren M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KRISTIN JAN VIREN M.D. (NPI 1376578153) is an individual family medicine provider in Denver, Colorado, licensed in Colorado (DR.0059074) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Vancouver, and is a graduate of University Of Minnesota Medical School (1995).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 3
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. Kristin Jan Viren M.d. 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
3Medicare enrollment records show Kristin Viren reassigns Medicare billing to 3 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
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 clinicians in this Medicare group
Gresham, OR 97030
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1871848457 (Washington)
- 3,207 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 80247 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 80247
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 Kristin Viren's NPI number?
The NPI number for Kristin Viren is 1376578153. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Kristin Viren located?
Kristin Viren practices at 10350 E Dakota Ave, Denver, CO 80247. The listed phone number is (303) 338-4545.
What is Kristin Viren's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Kristin Viren enrolled in Medicare?
Yes. Kristin Viren 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 Kristin Viren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Viren reassigns Medicare benefits to 3 organizations: Colorado Permanente Medical Group, P.C. (Denver, CO), Denver Health And Hospital Authority (Denver, CO) and Sapphire At Gresham Rehab, LLC (Gresham, OR). 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 Kristin Viren'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 Kristin Viren was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Kristin Jan Viren, M.D. · NPI 1376578153
Family Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1376578153 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** DR.0059074 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 10350 E DAKOTA AVE, Denver, CO 80247-1314
- **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:** 3 organizations under Medicare reassignment (form CMS-855R): Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO); Denver Health And Hospital Authority (NPI 1477569838, Denver, CO); Sapphire At Gresham Rehab, LLC (NPI 1033740899, Gresham, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1995
## Record status
- **NPPES last updated:** August 5, 2026
- **Other identifiers:** Medicaid 9000156730 (CO); Other 029584 (CO); Medicaid 340478100 (MN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1376578153) · Data from the CMS NPPES public registry.