GUIDESTAR ELDERCARE CORP - KS
NPI 1356203806
Internal Medicine in Overland Park, KS

Active since December 02, 2025
6501 W 75TH ST, OVERLAND PARK, KS 66204(574) 546-1900(574) 546-1999 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2026, Jan 7, 2026, Dec 29, 2025 and 1 more (4 updates tracked since 2025).

About Guidestar Eldercare Corp - Ks NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUIDESTAR ELDERCARE CORP - KS (NPI 1356203806) is a healthcare organization registered as an internal medicine in Overland Park, Kansas and active in the NPI registry since December 2025. The organization maintains 2 additional practice locations and lists Steven Posar, Executive Chairman & Cmo, as its authorized official.

NPPES Registry Identity

NPI1356203806
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGUIDESTAR ELDERCARE CORP - KS
Location Address6501 W 75TH STOverland Park, KS 66204-3017
Mailing AddressPo Box 11522Fort Wayne, IN 46859-1522 · (574) 546-1900 · Fax (574) 546-1999
Fax(574) 546-1999
Organization SubpartNo
Authorized OfficialSteven PosarExecutive Chairman & Cmo · (574) 546-1900
Enumeration DateDecember 2, 2025
Last NPPES UpdateFebruary 9, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2026
✔ NPI 1356203806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 12

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedPsychologistTaxonomy 103T00000X
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X
Also ListedNurse PractitionerTaxonomy 363L00000X
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X
6501 W 75TH ST, Overland Park, KS 66204

Other Names 1

Other NameGuidestar Eldercare Corp - Ks, P.a.

Secondary Practice Locations 2

Location 112345 W 95th St Fl 2Lenexa, KS 66215-3853 · Phone (574) 546-1900 · Fax (574) 546-1999
Location 26300 SW 6th AveTopeka, KS 66615-1013 · Phone (574) 546-1900 · Fax (574) 546-1999

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Guidestar Eldercare Corp - Ks is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

23

Medicare enrollment records show 23 clinicians reassign Medicare billing to Guidestar Eldercare Corp - Ks, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 6 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Nurse Practitioner9
Clinical Social Worker4
Clinical Psychologist3
Psychiatry3
Internal Medicine2
Mental Health Counselor1
Physical Medicine and Rehabilitation1

Nearest to this location (20)

See all 23
Clinical Social Worker
NPI 1811620297
6501 W 75TH ST
Overland Park, KS 66204
(574) 546-1900
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1508309329
6501 W 75TH ST
Overland Park, KS 66204
(574) 546-1900
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1194349712
6501 W 75TH ST
Overland Park, KS 66204
(574) 546-1900
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1104798628
12345 W 95TH ST FL 2
Lenexa, KS 66215
(574) 546-1900
✔ PECOS✔ Accepts Medicare4.4 mi
Nurse Practitioner
NPI 1477055705
12345 W 95TH ST FL 2
Lenexa, KS 66215
(574) 546-1900
✔ PECOS4.4 mi
Physical Medicine and Rehabilitation
NPI 1023546041
11325 COLLEGE BLVD
Overland Park, KS 66210
(505) 382-2776
✔ PECOS✔ Accepts Medicare5.5 mi
Nurse Practitioner
NPI 1275750309
17844 E 23RD ST S
Independence, MO 64057
(816) 254-3652
✔ PECOS✔ Accepts Medicare17 mi
Clinical Social Worker
NPI 1699406926
1423 HASKELL AVE
Lawrence, KS 66044
(785) 246-9490
✔ PECOS✔ Accepts Medicare30 mi
Mental Health Counselor
NPI 1124845714
200 MAINE ST
Lawrence, KS 66044
(785) 843-9192
✔ PECOS✔ Accepts Medicare32 mi
Clinical Psychologist
NPI 1396914875
6000 POPLAR AVE
Memphis, TN 38119
(574) 546-1900
✔ PECOS✔ Accepts Medicare377 mi
Nurse Practitioner
NPI 1023059573
2100 N MAIN ST STE 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Nurse Practitioner
NPI 1841768322
2100 N MAIN ST STE 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Clinical Psychologist
NPI 1518419787
2100 N MAIN ST STE 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Clinical Psychologist
NPI 1497034961
2100 N MAIN ST # 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Psychiatry
NPI 1437856614
2100 N MAIN ST STE 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Psychiatry
NPI 1548375058
2100 N MAIN ST STE 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Nurse Practitioner
NPI 1760197495
2100 N MAIN ST # 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Internal Medicine
NPI 1154308575
2100 N MAIN ST STE 304
Crown Point, IN 46307
(574) 546-1900
✔ PECOS✔ Accepts Medicare421 mi
Clinical Social Worker
NPI 1033752266
21 E STATE ST
Columbus, OH 43215
(574) 546-1900
✔ PECOS✔ Accepts Medicare627 mi
Internal Medicine
NPI 1144640798
21 E STATE ST
Columbus, OH 43215
(574) 546-1900
✔ PECOS✔ Accepts Medicare627 mi
See all 23 clinicians

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 Guidestar Eldercare Corp - Ks's NPI number?

The NPI number for Guidestar Eldercare Corp - Ks is 1356203806. It was assigned to this organization in the NPPES registry on December 2, 2025. The provider is also known as GuideStar Eldercare Corp - KS, P.A..

Where is Guidestar Eldercare Corp - Ks located?

Guidestar Eldercare Corp - Ks is located at 6501 W 75th St, Overland Park, KS 66204. The listed phone number is (574) 546-1900.

What is Guidestar Eldercare Corp - Ks's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Guidestar Eldercare Corp - Ks enrolled in Medicare?

Yes. Guidestar Eldercare Corp - Ks is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Guidestar Eldercare Corp - Ks?

According to the CMS Revalidation Reassignment List (October 2026 release), 23 clinicians in 7 Medicare specialties reassign their Medicare billing to Guidestar Eldercare Corp - Ks. 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), Clinical Social Worker (4) and Clinical Psychologist (3). Of these, 3 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Guidestar Eldercare Corp - Ks was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.