CONNOR R GROTTON MD
NPI 1811646367
Hospitalist in Park Ridge, IL
About Connor R Grotton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONNOR R GROTTON MD (NPI 1811646367) is an individual hospitalist provider in Park Ridge, Illinois, licensed in Illinois (036-170957) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Advocate Lutheran General Hospital, and maintains a secondary practice location in Maywood.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Connor R Grotton Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Connor Grotton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60068 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
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 Connor Grotton's NPI number?
The NPI number for Connor Grotton is 1811646367. It was assigned to this individual provider in the NPPES registry on March 22, 2022.
Where is Connor Grotton located?
Connor Grotton practices at 1775 Dempster St, Park Ridge, IL 60068. The listed phone number is (312) 609-0300.
What is Connor Grotton's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Connor Grotton enrolled in Medicare?
Yes. Connor Grotton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Connor Grotton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Connor Grotton reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, IL). The 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 Connor Grotton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Connor Grotton affiliated with any hospitals?
According to CMS data, Connor Grotton is affiliated with Advocate Lutheran General Hospital.
When was this NPI record last updated?
The NPPES record for Connor Grotton was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Connor R Grotton, MD · NPI 1811646367
Hospitalist physician in Park Ridge, Illinois. Individual provider, active in the CMS NPPES registry since March 22, 2022.
## Identity
- **NPI:** 1811646367 (Entity type: Individual)
- **Enumerated:** March 22, 2022
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036-170957 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1775 DEMPSTER ST, Park Ridge, IL 60068-1143
- **Phone:** (312) 609-0300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Lutheran General Hospital (NPI 1801809306, Park Ridge, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Toledo College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** August 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1811646367) · Data from the CMS NPPES public registry.