ADVANCED CARE MEDICAL SPECIALISTS, P.C.
NPI 1689030918
Internal Medicine in Munster, IN
About Advanced Care Medical Specialists, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVANCED CARE MEDICAL SPECIALISTS, P.C. (NPI 1689030918) is a healthcare organization registered as an internal medicine in Munster, Indiana and active in the NPI registry since December 2015. The organization lists Alexander A. Stemer, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Advanced Care Medical Specialists, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Advanced Care Medical Specialists, P.C., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 9 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (12)
Munster, IN 46321
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 Advanced Care Medical Specialists, P.C.'s NPI number?
The NPI number for Advanced Care Medical Specialists, P.C. is 1689030918. It was assigned to this organization in the NPPES registry on December 31, 2015.
Where is Advanced Care Medical Specialists, P.C. located?
Advanced Care Medical Specialists, P.C. is located at 10110 Donald S Powers Dr, Munster, IN 46321. The listed phone number is (219) 934-5300.
What is Advanced Care Medical Specialists, P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Advanced Care Medical Specialists, P.C. enrolled in Medicare?
Yes. Advanced Care Medical Specialists, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Advanced Care Medical Specialists, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 4 Medicare specialties reassign their Medicare billing to Advanced Care Medical Specialists, P.C.. 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 Nurse Practitioner (9), Family Practice (1) and Infectious Disease (1). Of these, 1 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Advanced Care Medical Specialists, P.C. accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Advanced Care Medical Specialists, P.C. 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 Advanced Care Medical Specialists, P.C. was last updated on July 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Advanced Care Medical Specialists, P.c. · NPI 1689030918
Internal Medicine organization in Munster, Indiana. Organization record, active in the CMS NPPES registry since December 31, 2015.
## Identity
- **NPI:** 1689030918 (Entity type: Organization)
- **Enumerated:** December 31, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Alexander Stemer, OWNER
## Practice location
- **Address:** 10110 DONALD S POWERS DR, Munster, IN 46321
- **Phone:** (219) 934-5300 · **Fax:** (219) 934-5389
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (9), Family Practice (1), Infectious Disease (1); 1 practice at this address and 9 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 10, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1689030918) · Data from the CMS NPPES public registry.