VIKING GROUP
NPI 1861785123
Internal Medicine in Chicago, IL
About Viking Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIKING GROUP (NPI 1861785123) is a healthcare organization registered as an internal medicine in Chicago, Illinois and active in the NPI registry since May 2011. The organization lists Daniel Mccormick, Senior Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 4
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Viking Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
126Medicare enrollment records show 126 clinicians reassign Medicare billing to Viking Group, which bills Medicare for the services they deliver. Of these, 58 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 19
Nearest to this location (20)
See all 126Chicago, IL 60631
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Resurrection Services's NPI number?
The NPI number for Resurrection Services is 1861785123. It was assigned to this organization in the NPPES registry on May 19, 2011. The provider is doing business as Viking Group.
Where is Resurrection Services located?
Resurrection Services is located at 3500 W Peterson Ave Suite 300, Chicago, IL 60659. The listed phone number is (773) 961-3200.
What is Resurrection Services's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Resurrection Services enrolled in Medicare?
Yes. Resurrection Services is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Resurrection Services?
According to the CMS Revalidation Reassignment List (October 2026 release), 126 clinicians in 19 Medicare specialties reassign their Medicare billing to Resurrection Services. A 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 the clinician's services. The largest specialties are Neurology (31), Family Practice (19) and Internal Medicine (16). Of these, 58 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Resurrection Services was last updated on April 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Viking Group · NPI 1861785123
Internal Medicine organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since May 19, 2011.
## Identity
- **NPI:** 1861785123 (Entity type: Organization)
- **Enumerated:** May 19, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Legal business name:** Resurrection Services
- **Organization subpart:** No
- **Authorized official:** Daniel Mccormick, SENIOR VICE PRESIDENT
## Practice location
- **Address:** 3500 W PETERSON AVE, SUITE 300, Chicago, IL 60659-3306
- **Phone:** (773) 961-3200 · **Fax:** (773) 867-6793
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 126 clinicians in 19 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Neurology (31), Family Practice (19), Internal Medicine (16); 58 practice within 10 miles; [full list](https://npiprofile.com/npi/1861785123/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 9, 2012
- **Other identifiers:** Medicaid 036101307 (IL); Medicaid 036047714 (IL); Medicaid 036079521 (IL); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1861785123) · Data from the CMS NPPES public registry.