OrganizationActive
Medical Specialists Inc., PC
NPI 1013249697 · Internal Medicine Physician · Hammond, IN
Provider details
- NPI number
- 1013249697
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Stemer, President & Ceo(219) 934-2461
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Infectious Disease Physician207RI0200X
Allopathic & Osteopathic Physicians
- Pulmonary Disease Physician207RP1001X
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
5529 Hohman Ave
Hammond, IN 46320-1936
Phone: (219) 853-7100
Fax: (219) 937-5958
Street-level locationGet directions
Mailing address
757-45th Street
Munster, IN 46321
Other names (DBA / former)
- Doing business as
- Medical Specialists
Registry dates
- Enumerated
- 2010-02-05
- Last updated
- 2011-02-28
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.