ASPEN MEDICAL GROUP LLC
NPI 1013195932
Family Medicine in Buffalo Grove, IL
About Aspen Medical Group Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASPEN MEDICAL GROUP LLC (NPI 1013195932) is a healthcare organization registered as a family medicine in Buffalo Grove, Illinois and active in the NPI registry since February 2008. The organization lists Alexander Potermin, Member, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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)
Aspen Medical Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Aspen Medical Group LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Aspen Medical Group LLC's NPI number?
The NPI number for Aspen Medical Group LLC is 1013195932. It was assigned to this organization in the NPPES registry on February 1, 2008.
Where is Aspen Medical Group LLC located?
Aspen Medical Group LLC is located at 1120 Thompson Blvd, Buffalo Grove, IL 60089. The listed phone number is (847) 354-8086.
What is Aspen Medical Group LLC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Aspen Medical Group LLC enrolled in Medicare?
Yes. Aspen Medical Group LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Aspen Medical Group LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Aspen Medical Group LLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Aspen Medical Group LLC was last updated on February 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Aspen Medical Group Llc · NPI 1013195932
Family Medicine organization in Buffalo Grove, Illinois. Organization record, active in the CMS NPPES registry since February 1, 2008.
## Identity
- **NPI:** 1013195932 (Entity type: Organization)
- **Enumerated:** February 1, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Alexander Potermin, MEMBER
## Practice location
- **Address:** 1120 THOMPSON BLVD, Buffalo Grove, IL 60089-1021
- **Phone:** (847) 354-8086
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 2, 2015
- **Other identifiers:** Medicare UPIN H50777
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Source: [NPI Profile](https://npiprofile.com/npi/1013195932) · Data from the CMS NPPES public registry.