Guidestar Eldercare - Il Sc
NPI 1417591074 · Internal Medicine Physician · Schaumburg, IL
Guidestar Eldercare - Il Sc is a Internal Medicine Physician organization in Schaumburg, IL (NPI 1417591074).
Provider details
- NPI number
- 1417591074
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Posar, Ceo(574) 546-1900
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Clinical Psychologist103TC0700X
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
Behavioral Health & Social Service Providers
- Neurology Physician2084N0400X
Allopathic & Osteopathic Physicians
- Nurse Practitioner363L00000X
Physician Assistants & Advanced Practice Nursing Providers
- Family Nurse Practitioner363LF0000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Other names (DBA / former)
- Doing business as
- Vanguard Eldercare - Illinois, S.c.
Additional practice locations (1)
- 1440 N Lake Shore Dr Apt 12dChicago, IL 60610-5909Phone: (574) 546-1900Fax: (574) 546-1999
Registry dates
- Enumerated
- 2019-11-06
- Last updated
- 2025-04-24
- Certified
- 2025-04-16
Frequently asked questions
- What is Guidestar Eldercare - Il Sc's NPI number?
- Guidestar Eldercare - Il Sc's National Provider Identifier (NPI) is 1417591074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Guidestar Eldercare - Il Sc?
- Guidestar Eldercare - Il Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guidestar Eldercare - Il Sc located?
- Guidestar Eldercare - Il Sc's practice location on file with NPPES is 1821 Walden Office Sq Ste 400, Schaumburg, IL 60173-4273.
- What is Guidestar Eldercare - Il Sc's phone number?
- The practice phone number listed in the NPPES registry for Guidestar Eldercare - Il Sc is (574) 546-1900.
- Who is the authorized official for Guidestar Eldercare - Il Sc?
- The authorized official listed on Guidestar Eldercare - Il Sc's NPPES record is Steven Posar, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Guidestar Eldercare - Il Sc's NPI active?
- Yes — Guidestar Eldercare - Il Sc's NPI (1417591074) is active in the NPPES registry as of the last update on 2025-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.