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DENNIS CHEN SHI
NPI 1700465820
Hospitalist in Lake Forest, IL

Active since April 06, 2021PECOS EnrolledAccepts Medicare Assignment
1000 N WESTMORELAND RD, LAKE FOREST, IL 60045(847) 234-5600(847) 535-7203 Get Directions Write a Review

NPPES record last updated: January 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 9, 2025, Jul 23, 2024, Jun 24, 2021 and 2 more (5 updates tracked since 2021).

About Dennis Chen Shi NPPES

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

DENNIS CHEN SHI (NPI 1700465820) is an individual hospitalist provider in Lake Forest, Illinois, licensed in Illinois (036169579) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1700465820
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDENNIS CHEN SHI
Location Address1000 N WESTMORELAND RDLake Forest, IL 60045-1658
Mailing Address1620 W Harrison StChicago, IL 60612-3801 · (312) 942-5000
Phone(847) 234-5600
Fax(847) 535-7203
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 6, 2021
Last NPPES UpdateJanuary 9, 20255 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2025
✔ NPI 1700465820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036169579
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036169579 (IL)
1000 N WESTMORELAND RD, Lake Forest, IL 60045
Open in Google Maps ↗

Secondary Practice Location 1

Location 11620 W Harrison StChicago, IL 60612-3801 · Phone (312) 942-5000

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

Dennis Chen Shi 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.

PECOS PAC ID1456755867
PECOS Enrollment IDI20240909001485, I20260624001434
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Dennis Shi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Erie Family Health Center Inc
17 mi
Federally Qualified Health Center (FQHC)
1285 HARTREY
Evanston, IL 60202
  • Reassigned Medicare billing, Illinois enrollment
  • 383 clinicians in this Medicare group
NPI 1629328836 (312) 666-3494
Northwestern Medical Faculty Foundation
25 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866
Rush University Medical Center
28 mi
Diagnostic Radiology
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 clinicians in this Medicare group
NPI 1184269425 (312) 563-4270
University Of Penn-Medical Group
678 mi
Hospitalist
501 S 54TH ST
Philadelphia, PA 19143
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 752 clinicians in this Medicare group
NPI 1992301196 (215) 748-9707

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

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
25 services17 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

CONSOLIDATED PATHOLOGY CONSULTANTS SC
Pathology (Anatomic Pathology & Clinical Pathology)
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 996-1030
JENNIFER M NGUYEN MD
Hospitalist
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 234-5600
CAROLINE LANG OVERMAN PT, DPT
Physical Therapist
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 535-6430
CASEY DUGAN PA-C
Physician Assistant
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 582-2134
MRS. TAYLOR MORGAN SARES PA-C
Physician Assistant
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 535-8500
DR. POOJA NAYAK MD
Hospitalist
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 234-5600
ANDREW MIN JUN CHOI MD
Hospitalist
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 234-5600
IRENE ZHU PA-C
Physician Assistant
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Lake County (847) 535-7058

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 Dennis Shi's NPI number?

The NPI number for Dennis Shi is 1700465820. It was assigned to this individual provider in the NPPES registry on April 6, 2021.

Where is Dennis Shi located?

Dennis Shi practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. The listed phone number is (847) 234-5600.

What is Dennis Shi's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Dennis Shi enrolled in Medicare?

Yes. Dennis Shi 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 Dennis Shi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Shi reassigns Medicare benefits to 4 organizations: Erie Family Health Center Inc (Evanston, IL), Northwestern Medical Faculty Foundation (Carol Stream, IL), Rush University Medical Center (Chicago, IL) and University Of Penn-Medical Group (Philadelphia, PA). 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 Dennis Shi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Dennis Shi affiliated with any hospitals?

According to CMS data, Dennis Shi is affiliated with Rush University Medical Center, Northwestern Lake Forest Hospital and Hospital Of Univ Of Pennsylvania.

When was this NPI record last updated?

The NPPES record for Dennis Shi was last updated on January 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.