DIRK TANIS DO
NPI 1306587266
Anesthesiology in Indianapolis, IN
About Dirk Tanis Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIRK TANIS DO (NPI 1306587266) is an individual anesthesiology provider in Indianapolis, Indiana, licensed in Indiana (11022758A) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dirk Tanis Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dirk Tanis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Holland, MI 49423
- Reassigned Medicare billing, Michigan enrollment
- 18 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.
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.
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
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 Dirk Tanis's NPI number?
The NPI number for Dirk Tanis is 1306587266. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is Dirk Tanis located?
Dirk Tanis practices at 1130 W Michigan St, Indianapolis, IN 46202. The listed phone number is (317) 944-5000.
What is Dirk Tanis's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Dirk Tanis enrolled in Medicare?
Yes. Dirk Tanis is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dirk Tanis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dirk Tanis reassigns Medicare benefits to Macatawa Anesthesia PC (Holland, MI). 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 Dirk Tanis'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 Dirk Tanis was last updated on June 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.