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DR. MEGAN ALYSSA GAYESKI M.D.
NPI 1386907772
Internal Medicine in Chicago, IL

Active since June 20, 2012PECOS EnrolledAccepts Medicare Assignment
1653 W CONGRESS PKWY, CHICAGO, IL 60612(312) 942-3431(312) 942-8858 Get Directions Write a Review

NPPES record last updated: June 23, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Megan Alyssa Gayeski M.d. NPPES

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

DR. MEGAN ALYSSA GAYESKI M.D. (NPI 1386907772) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125-061679) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Rush Medical College Of Rush University (2016).

NPPES Registry Identity

NPI1386907772
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MEGAN ALYSSA GAYESKICredential: M.D.
Location Address1653 W CONGRESS PKWYChicago, IL 60612-3833
Mailing Address3144 N Sheridan Rd Apt A2Chicago, IL 60657-4878 · (313) 920-2564
Phone(312) 942-3431
Fax(312) 942-8858
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2016
Enumeration DateJune 20, 2012
Last NPPES UpdateJune 23, 2016
✔ NPI 1386907772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 125-061679
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1653 W CONGRESS PKWY, Chicago, IL 60612
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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

Dr. Megan Alyssa Gayeski 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 ID4082905617
PECOS Enrollment IDI20161107001043
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

2

Medicare enrollment records show Megan Gayeski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush University Medical Center
Same address
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
Rush Oak Park Physicians Group Adult Medicine
7.0 mi
Adult Medicine
610 S MAPLE AVE, SUITE 4600
Oak Park, IL 60304
  • Reassigned Medicare billing, Illinois enrollment
  • 51 clinicians in this Medicare group
NPI 1548531924 (708) 660-2240

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 5

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.
268 services140 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
167 services158 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
112 services109 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.
101 services63 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.
37 services37 patients

Hospital Affiliations CMS Care Compare 2

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

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140063
Location520 S Maple AveOak Park, IL 60304 · Cook County
Emergency services

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

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
$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 5

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
2 suppliers40 claims40 services$14.94 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$907.03 avg. paid by Medicare
Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630
DME-Other DME · category DE000N
1 supplier11 claims11 services$43.00 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
2 suppliers40 claims40 services$63.61 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
2 suppliers14 claims14 services$31.70 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.

KAITLIN ROBLING MD
Radiology (Diagnostic Radiology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-5000
LAUREN ELIZABETH ARSENAULT MD
Radiology (Diagnostic Radiology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-5781
ALEX MICHAEL JAMES
Student in an Organized Health Care Education/Training Program
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (888) 352-7874
WERNER MEIER M.D.
Pediatrics (Neonatal-Perinatal Medicine)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-7154
UNIVERSITY PATHOLOGISTS P C
Pathology (Anatomic Pathology & Clinical Pathology)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 942-5700
RUSH UNIVERSITY MEDICAL CENTER
Clinical Medical Laboratory
1653 W CONGRESS PKWY, ROOM 1188-JELKE
CHICAGO, IL 60612
Cook County (312) 942-2054
DR. PATOULA PANAGOS-BILLIRIS MD
Pediatrics (Neonatal-Perinatal Medicine)
1653 W CONGRESS PKWY, 3 PAVILLION
CHICAGO, IL 60612
Cook County (312) 942-3306
KAREN HARVEY
Nurse Practitioner (Psychiatric/Mental Health)
1653 W CONGRESS PKWY
CHICAGO, IL 60612
Cook County (312) 947-0100

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 Megan Gayeski's NPI number?

The NPI number for Megan Gayeski is 1386907772. It was assigned to this individual provider in the NPPES registry on June 20, 2012.

Where is Megan Gayeski located?

Megan Gayeski practices at 1653 W Congress Pkwy, Chicago, IL 60612. The listed phone number is (312) 942-3431.

What is Megan Gayeski's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Megan Gayeski enrolled in Medicare?

Yes. Megan Gayeski 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 Megan Gayeski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Gayeski reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and Rush Oak Park Physicians Group Adult Medicine (Oak Park, IL). 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 Megan Gayeski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Megan Gayeski affiliated with any hospitals?

According to CMS data, Megan Gayeski is affiliated with Rush Oak Park Hospital and Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Megan Gayeski was last updated on June 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.