DR. MICHAEL ACHILLES MARKOS M.D.
NPI 1861658007
Internal Medicine - Critical Care Medicine in Berwyn, IL

Active since August 06, 2008PECOS EnrolledAccepts Medicare Assignment
3249 OAK PARK AVE, BERWYN, IL 60402(708) 783-2232(708) 783-2078 Get Directions Write a Review

NPPES record last updated: February 9, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 9, 2024, May 24, 2022 (2 updates tracked since 2022).

About Dr. Michael Achilles Markos M.d. NPPES

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

DR. MICHAEL ACHILLES MARKOS M.D. (NPI 1861658007) is an individual critical care medicine provider in Berwyn, Illinois, licensed in Illinois (036123662) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Macneal Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1861658007
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. MICHAEL ACHILLES MARKOSCredential: M.D.
Location Address3249 OAK PARK AVEBerwyn, IL 60402-3429
Mailing Address3249 Oak Park Ave OfcBerwyn, IL 60402-0715 · (708) 783-2232 · Fax (708) 783-2078
Fax(708) 783-2078
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 6, 2008
Last NPPES UpdateFebruary 9, 20242 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2024
NPI 1861658007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in IL · 036123662
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036123662 (IL)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 036123662 (IL)
3249 OAK PARK AVE, Berwyn, IL 60402

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 Achilles Markos 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 ID9739232661
PECOS Enrollment IDI20090724000496
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.

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.
271 services111 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.
115 services86 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Macneal Hospital

Acute Care Hospitals · Berwyn, IL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number140054
Location3249 South Oak Park AvenueBerwyn, IL 60402 · Cook County
Emergency services Birthing friendly

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60402 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$15.77 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$67.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Dietitian, Registered
3249 OAK PARK AVE
BERWYN, IL 60402
General Practice
3249 OAK PARK AVE
BERWYN, IL 60402
Family Medicine
3249 OAK PARK AVE
BERWYN, IL 60402
Obstetrics & Gynecology
3249 OAK PARK AVE
BERWYN, IL 60402
Emergency Medicine
3249 OAK PARK AVE
BERWYN, IL 60402
Anesthesiology
3249 OAK PARK AVE
BERWYN, IL 60402
Internal Medicine
3249 OAK PARK AVE, MACNEAL HOSPITAL
BERWYN, IL 60402
Student in an Organized Health Care Education/Training Program
3249 OAK PARK AVE
BERWYN, IL 60402

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 Markos's NPI number?

The NPI number for Michael Markos is 1861658007. It was assigned to this individual provider in the NPPES registry on August 6, 2008.

Where is Michael Markos located?

Michael Markos practices at 3249 Oak Park Ave, Berwyn, IL 60402. The listed phone number is (708) 783-2232.

What is Michael Markos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Michael Markos enrolled in Medicare?

Yes. Michael Markos 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 Markos affiliated with any hospitals?

According to CMS data, Michael Markos is affiliated with Macneal Hospital and Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Markos was last updated on February 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.