JASON KOLFENBACH MD
NPI 1487791752
Internal Medicine - Rheumatology in Aurora, CO
About Jason Kolfenbach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON KOLFENBACH MD (NPI 1487791752) is an individual rheumatology provider in Aurora, Colorado, licensed in Colorado (45847) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2004).
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
Jason Kolfenbach 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 Reassignments
2Medicare enrollment records show Jason Kolfenbach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 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 4
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 80045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Jason Kolfenbach's NPI number?
The NPI number for Jason Kolfenbach is 1487791752. It was assigned to this individual provider in the NPPES registry on January 30, 2007.
Where is Jason Kolfenbach located?
Jason Kolfenbach practices at 12605 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Jason Kolfenbach's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Jason Kolfenbach enrolled in Medicare?
Yes. Jason Kolfenbach 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 Jason Kolfenbach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Kolfenbach reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and Denver Health And Hospital Authority (Denver, CO). 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 Jason Kolfenbach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jason Kolfenbach accept?
Health plans from Select Health and UnitedHealthcare list Jason Kolfenbach 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 Jason Kolfenbach was last updated on November 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Jason Kolfenbach, MD · NPI 1487791752
Rheumatology physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1487791752 (Entity type: Individual)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 45847 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 12605 E 16TH AVE, Aurora, CO 80045-2545
- **Phone:** (720) 848-0000
## 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): University Physicians Incorporated (NPI 1962461889, Aurora, CO); Denver Health And Hospital Authority (NPI 1477569838, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2004
## Record status
- **NPPES last updated:** November 26, 2012
- **Other identifiers:** Medicaid 15583384 (CO); Medicare PIN COA101196 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1487791752) · Data from the CMS NPPES public registry.