MARK G WARNKEN MD
NPI 1912966441
Pediatrics in Minneapolis, MN
About Mark G Warnken Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK G WARNKEN MD (NPI 1912966441) is an individual pediatrics provider in Minneapolis, Minnesota, licensed in Minnesota (20222) and active in the NPI registry since March 2006. 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)
Mark G Warnken Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Warnken reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Minneapolis, MN 55407
- Reassigned Medicare billing, Minnesota enrollment
- 2,274 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 55407 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.
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 Mark Warnken's NPI number?
The NPI number for Mark Warnken is 1912966441. It was assigned to this individual provider in the NPPES registry on March 22, 2006.
Where is Mark Warnken located?
Mark Warnken practices at 4730 Chicago Ave, Minneapolis, MN 55407. The listed phone number is (952) 967-7676.
What is Mark Warnken's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Mark Warnken enrolled in Medicare?
Yes. Mark Warnken is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Warnken's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Warnken reassigns Medicare benefits to Group Health, Inc. (Minneapolis, MN). 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 Mark Warnken'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 Mark Warnken was last updated on July 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mark G Warnken, MD · NPI 1912966441
Pediatrics physician in Minneapolis, Minnesota. Individual provider, active in the CMS NPPES registry since March 22, 2006.
## Identity
- **NPI:** 1912966441 (Entity type: Individual)
- **Enumerated:** March 22, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 20222 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 4730 CHICAGO AVE, Minneapolis, MN 55407-3570
- **Phone:** (952) 967-7676
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Group Health, Inc. (NPI 1710924683, Minneapolis, MN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 28, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1912966441) · Data from the CMS NPPES public registry.