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DR. KENJI OYASU M.D.
NPI 1487768552
Emergency Medicine in Waukegan, IL

Active since August 18, 2006PECOS EnrolledAccepts Medicare Assignment
81.12/100
CMS Quality Rating
1324 N SHERIDAN RD DEPT OF, WAUKEGAN, IL 60085(847) 360-3000 Get Directions Write a Review

NPPES record last updated: March 9, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 9, 2020, Jul 10, 2019 (2 updates tracked since 2019).

About Dr. Kenji Oyasu M.d. NPPES

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

DR. KENJI OYASU M.D. (NPI 1487768552) is an individual emergency medicine provider in Waukegan, Illinois, licensed in Indiana (01066275A) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Naples Community Hospital, and maintains a secondary practice location in Park Ridge.

NPPES Registry Identity

NPI1487768552
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. KENJI OYASUCredential: M.D.
Location Address1324 N SHERIDAN RD DEPT OFWaukegan, IL 60085
Mailing Address1324 N Sheridan Rd Dept OfWaukegan, IL 60085-2161 · (847) 360-3000
Phone(847) 360-3000
Sole ProprietorYes
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 18, 2006
Last NPPES UpdateMarch 9, 20202 updates tracked since enumeration
NPPES CertifiedMarch 9, 2020
✔ NPI 1487768552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IN · 01066275A
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.
Also ListedPersonal Emergency Response AttendantTaxonomy 146D00000X · License 036092087 (IL)
Also ListedClinic/Center · Rehabilitation, Substance Use DisorderTaxonomy 261QR0405X · License XO9045027 (IL)
1324 N SHERIDAN RD DEPT OF, Waukegan, IL 60085
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Secondary Practice Location 1

Location 1111 S Washington Ave Ste 202Park Ridge, IL 60068-4293 · Phone (847) 423-6800 · Fax (847) 972-6533

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

Dr. Kenji Oyasu 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 ID9739285941
PECOS Enrollment IDI20070504000331, I20090520000190, I20240603000165
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 4

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 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.
181 services181 patients
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.
80 services80 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
16 services16 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Naples Community Hospital

Acute Care Hospitals · Naples, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100018
Location350 7th St NNaples, FL 34102 · Collier County
Emergency services Birthing friendly

Vista Medical Center East

Acute Care Hospitals · Waukegan, IL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number140084
Location1324 North Sheridan RoadWaukegan, IL 60085 · Lake County
Emergency services Birthing friendly

Riverside Medical Center

Acute Care Hospitals · Kankakee, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140186
Location350 N Wall StKankakee, IL 60901 · Kankakee County
Emergency services Birthing friendly

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150015
Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County
Emergency services Birthing friendly

Franciscan Health Dyer

Acute Care Hospitals · Dyer, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150090
Location24 Joliet StDyer, IN 46311 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60085 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
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.

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.

81.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.83
Improvement Activities40

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 Kenji Oyasu's NPI number?

The NPI number for Kenji Oyasu is 1487768552. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is Kenji Oyasu located?

Kenji Oyasu practices at 1324 N Sheridan Rd Dept Of, Waukegan, IL 60085. The listed phone number is (847) 360-3000.

What is Kenji Oyasu's specialty?

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

Is Kenji Oyasu enrolled in Medicare?

Yes. Kenji Oyasu 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 Kenji Oyasu affiliated with any hospitals?

According to CMS data, Kenji Oyasu is affiliated with Naples Community Hospital, Vista Medical Center East, Riverside Medical Center, Franciscan Health Michigan City and Franciscan Health Dyer.

When was this NPI record last updated?

The NPPES record for Kenji Oyasu was last updated on March 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.