Greathouse Medical Group Sc
NPI 1851827349 · Primary Care Clinic/Center · New Lenox, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greathouse Medical Group Sc is a Primary Care Clinic/Center organization in New Lenox, IL (NPI 1851827349).
Provider details
- NPI number
- 1851827349
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Deirdra Greathouse, President(708) 264-8463
- License
- 036114405 (IL)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-05-04
- Last updated
- 2017-05-04
Frequently asked questions
- What is Greathouse Medical Group Sc's NPI number?
- Greathouse Medical Group Sc's National Provider Identifier (NPI) is 1851827349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greathouse Medical Group Sc?
- Greathouse Medical Group Sc is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Greathouse Medical Group Sc located?
- Greathouse Medical Group Sc's practice location on file with NPPES is 1890 Silver Cross Blvd Ste 550, New Lenox, IL 60451-9579.
- What is Greathouse Medical Group Sc's phone number?
- The practice phone number listed in the NPPES registry for Greathouse Medical Group Sc is (708) 264-8463.
- Does Greathouse Medical Group Sc accept Medicare?
- Greathouse Medical Group Sc 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 Greathouse Medical Group Sc?
- The authorized official listed on Greathouse Medical Group Sc's NPPES record is Deirdra Greathouse, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greathouse Medical Group Sc's NPI active?
- Yes — Greathouse Medical Group Sc's NPI (1851827349) is active in the NPPES registry as of the last update on 2017-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.