DOUGLAS GREGORY OLK M.D.
NPI 1710939780
Pediatrics in Madison, WI
About Douglas Gregory Olk M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS GREGORY OLK M.D. (NPI 1710939780) is an individual pediatrics provider in Madison, Wisconsin, licensed in Wisconsin (26446-20) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Douglas Gregory Olk M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Douglas Olk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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 53704 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 Douglas Olk's NPI number?
The NPI number for Douglas Olk is 1710939780. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Douglas Olk located?
Douglas Olk practices at 2402 Winnebago St, Madison, WI 53704. The listed phone number is (608) 242-6855.
What is Douglas Olk's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Douglas Olk enrolled in Medicare?
Yes. Douglas Olk is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Douglas Olk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Olk reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, WI). 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 Douglas Olk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Olk accept?
Health plans from Group Health Cooperative-SCW list Douglas Olk 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 Douglas Olk was last updated on May 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.