KATHRYN A WITZEMAN MD
NPI 1720198526
Obstetrics & Gynecology in Denver, CO
About Kathryn A Witzeman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN A WITZEMAN MD (NPI 1720198526) is an individual obstetrics & gynecology provider in Denver, Colorado, licensed in Colorado (42339) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (2000).
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 and accepts Medicare assignment
Kathryn A Witzeman 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 Kathryn Witzeman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 clinicians in this Medicare group
Rifle, CO 81650
- Reassigned Medicare billing, Colorado enrollment
- Also billed through NPI 1649218991 (Colorado)
- 93 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 80204 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.
DENVER, CO 80204
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 Kathryn Witzeman's NPI number?
The NPI number for Kathryn Witzeman is 1720198526. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Kathryn Witzeman located?
Kathryn Witzeman practices at 777 Bannock St Mc 7782, Denver, CO 80204. The listed phone number is (303) 436-6000.
What is Kathryn Witzeman's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Kathryn Witzeman enrolled in Medicare?
Yes. Kathryn Witzeman 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 Kathryn Witzeman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Witzeman reassigns Medicare benefits to 2 organizations: Denver Health And Hospital Authority (Denver, CO) and Grand River Hospital District (Rifle, 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 Kathryn Witzeman'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 Kathryn Witzeman was last updated on March 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.