JEFFREY L GRASSLE M.D.
NPI 1205802147
Emergency Medicine in Chicago, IL

Active since February 28, 2006PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
1653 W CONGRESS PKWY, SUITE 177, CHICAGO, IL 60612(312) 942-8149 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jeffrey L Grassle M.d. NPPES

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

JEFFREY L GRASSLE M.D. (NPI 1205802147) is an individual emergency medicine provider in Chicago, Illinois and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1985).

NPPES Registry Identity

NPI1205802147
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJEFFREY L GRASSLECredential: M.D.
Location Address1653 W CONGRESS PKWY, SUITE 177Chicago, IL 60612-3833
Mailing Address1653 W Congress Pkwy, Suite 177Chicago, IL 60612-3833 · (312) 942-8149
Sole ProprietorNo
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 1985
Enumeration DateFebruary 28, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1205802147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1653 W CONGRESS PKWY, Chicago, IL 60612

Other Identifiers 2

Medicare ID-Type UnspecifiedK14550IL
Medicare UPINE41889IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jeffrey L Grassle M.d. 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 ID840263372
PECOS Enrollment IDI20040813000675
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.

Areas of Expertise CMS Part B claims 3

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
79 services78 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
50 services49 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

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.

Internal Medicine
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Radiology (Diagnostic Radiology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Radiology (Diagnostic Radiology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Student in an Organized Health Care Education/Training Program
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Pediatrics (Neonatal-Perinatal Medicine)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Pathology (Anatomic Pathology & Clinical Pathology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Clinical Medical Laboratory
1653 W CONGRESS PKWY, ROOM 1188-JELKE
CHICAGO, IL 60612
Pediatrics (Neonatal-Perinatal Medicine)
1653 W CONGRESS PKWY, 3 PAVILLION
CHICAGO, IL 60612

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 Jeffrey Grassle's NPI number?

The NPI number for Jeffrey Grassle is 1205802147. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Jeffrey Grassle located?

Jeffrey Grassle practices at 1653 W Congress Pkwy Suite 177, Chicago, IL 60612. The listed phone number is (312) 942-8149.

What is Jeffrey Grassle's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Jeffrey Grassle enrolled in Medicare?

Yes. Jeffrey Grassle 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.

Is Jeffrey Grassle affiliated with any hospitals?

According to CMS data, Jeffrey Grassle is affiliated with Northwestern Lake Forest Hospital.

When was this NPI record last updated?

The NPPES record for Jeffrey Grassle was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.