DR. JIMMY K PARK MD
NPI 1396803144
Anesthesiology - Critical Care Medicine in Oak Lawn, IL
About Dr. Jimmy K Park Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JIMMY K PARK MD (NPI 1396803144) is an individual critical care medicine provider in Oak Lawn, Illinois, licensed in Illinois (036-110648) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Good Shepherd Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Dr. Jimmy K Park 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 Reassignments
4Medicare enrollment records show Jimmy Park reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- Also billed through NPI 1629441027 (Illinois)
- 4,870 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 385 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 96 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK LAWN, IL 60453
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 Jimmy Park's NPI number?
The NPI number for Jimmy Park is 1396803144. It was assigned to this individual provider in the NPPES registry on December 5, 2006.
Where is Jimmy Park located?
Jimmy Park practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 283-5500.
What is Jimmy Park's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Jimmy Park enrolled in Medicare?
Yes. Jimmy Park 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 organizations bill Medicare for Jimmy Park's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jimmy Park reassigns Medicare benefits to 4 organizations: Advocate Health & Hospitals Corporation (Oak Lawn, IL), Midwest Anesthesia Partners, LLC (Chicago, IL), Critical Care Physicians Of Illinois LLC (Aurora, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). Each 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 Jimmy Park's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jimmy Park affiliated with any hospitals?
According to CMS data, Jimmy Park is affiliated with Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Jimmy Park was last updated on September 5, 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.
# Dr. Jimmy K Park, MD · NPI 1396803144
Critical Care Medicine physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since December 5, 2006.
## Identity
- **NPI:** 1396803144 (Entity type: Individual)
- **Enumerated:** December 5, 2006
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** 036-110648 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4440 W 95TH ST, Oak Lawn, IL 60453-2600
- **Phone:** (708) 283-5500
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL); Midwest Anesthesia Partners, LLC (NPI 1255380184, Chicago, IL); Critical Care Physicians Of Illinois LLC (NPI 1508134966, Aurora, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2000
## Record status
- **NPPES last updated:** September 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1396803144) · Data from the CMS NPPES public registry.