DR. MICHAEL JOSEPH BREEN MD, PHD
NPI 1669861449
Internal Medicine - Hematology & Oncology in Libertyville, IL

Active since January 15, 2015PECOS EnrolledAccepts Medicare Assignment
1800 HOLLISTER DR STE 112, LIBERTYVILLE, IL 60048(847) 367-6781 Get Directions Write a Review

NPPES record last updated: October 13, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 13, 2022, Jun 12, 2022, Jun 9, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Michael Joseph Breen Md, Phd NPPES

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

DR. MICHAEL JOSEPH BREEN MD, PHD (NPI 1669861449) is an individual hematology & oncology provider in Libertyville, Illinois, licensed in Illinois (036149848) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Northwestern University Feinberg Medical School (2016).

NPPES Registry Identity

NPI1669861449
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MICHAEL JOSEPH BREENCredential: MD, PHD
Location Address1800 HOLLISTER DR STE 112Libertyville, IL 60048-5265
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2016
Enumeration DateJanuary 15, 2015
Last NPPES UpdateOctober 13, 20224 updates tracked since enumeration
NPPES CertifiedOctober 13, 2022
NPI 1669861449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in IL · 036149848
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1800 HOLLISTER DR STE 112, Libertyville, IL 60048

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. Michael Joseph Breen Md, Phd 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 ID2163716887
PECOS Enrollment IDI20220909000767
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 8

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
633 services192 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
195 services133 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
56 services56 patients
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.
52 services38 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
33 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
30 services30 patients

Hospital Affiliations CMS Care Compare 5

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

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140182
Location836 West Wellington AvenueChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Advocate Good Shepherd Hospital

Acute Care Hospitals · Barrington, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140291
Location450 West Highway 22Barrington, IL 60010 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60048 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
$181.38 typical visit price
range $59.81 – $181.38
Typical copayment $45.34 (range $14.95 – $45.34)
Most-billed visit code 99205
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 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Nurse Practitioner
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Nurse Practitioner (Adult Health)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Nurse Practitioner
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Nurse Practitioner (Family)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048

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 Michael Breen's NPI number?

The NPI number for Michael Breen is 1669861449. It was assigned to this individual provider in the NPPES registry on January 15, 2015.

Where is Michael Breen located?

Michael Breen practices at 1800 Hollister Dr Ste 112, Libertyville, IL 60048. The listed phone number is (847) 367-6781.

What is Michael Breen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Michael Breen enrolled in Medicare?

Yes. Michael Breen 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 Michael Breen affiliated with any hospitals?

According to CMS data, Michael Breen is affiliated with Northwestern Lake Forest Hospital, Advocate Illinois Masonic Medical Center, Advocate Condell Medical Center, Advocate Lutheran General Hospital and Advocate Good Shepherd Hospital.

When was this NPI record last updated?

The NPPES record for Michael Breen was last updated on October 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.