Advanced Care Medical Specialists, P.C.
NPI 1689030918 · Internal Medicine Physician · Munster, IN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Advanced Care Medical Specialists, P.C. is a Internal Medicine Physician organization in Munster, IN (NPI 1689030918).
Provider details
- NPI number
- 1689030918
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Stemer, Owner(219) 301-7264
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-12-31
- Last updated
- 2019-07-10
Frequently asked questions
- What is Advanced Care Medical Specialists, P.C.'s NPI number?
- Advanced Care Medical Specialists, P.C.'s National Provider Identifier (NPI) is 1689030918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Advanced Care Medical Specialists, P.C.?
- Advanced Care Medical Specialists, P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Advanced Care Medical Specialists, P.C. located?
- Advanced Care Medical Specialists, P.C.'s practice location on file with NPPES is 10110 Donald S Powers Dr, Munster, IN 46321.
- What is Advanced Care Medical Specialists, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Advanced Care Medical Specialists, P.C. is (219) 934-5300.
- Does Advanced Care Medical Specialists, P.C. accept Medicare?
- Advanced Care Medical Specialists, P.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Advanced Care Medical Specialists, P.C.?
- The authorized official listed on Advanced Care Medical Specialists, P.C.'s NPPES record is Alexander Stemer, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Advanced Care Medical Specialists, P.C.'s NPI active?
- Yes — Advanced Care Medical Specialists, P.C.'s NPI (1689030918) is active in the NPPES registry as of the last update on 2019-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.