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HOMER ABIAD M.D.
NPI 1871596817
Internal Medicine - Infectious Disease in Oak Forest, IL

Active since May 23, 2005PECOS EnrolledAccepts Medicare Assignment
84.57/100
CMS Quality Rating
15900 CICERO AVE, OAK FOREST, IL 60452(708) 633-4133(708) 633-3029 Get Directions Write a Review

NPPES record last updated: April 21, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 21, 2021, Jul 9, 2020 (2 updates tracked since 2020).

About Homer Abiad M.d. NPPES

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

HOMER ABIAD M.D. (NPI 1871596817) is an individual infectious disease provider in Oak Forest, Illinois, licensed in Illinois (336-063910) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1871596817
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameHOMER ABIADCredential: M.D.
Location Address15900 CICERO AVEOak Forest, IL 60452-4006
Mailing Address15900 Cicero AveOak Forest, IL 60452-4006 · (708) 633-4133 · Fax (708) 633-3029
Phone(708) 633-4133
Fax(708) 633-3029
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateMay 23, 2005
Last NPPES UpdateApril 21, 20212 updates tracked since enumeration
NPPES CertifiedApril 21, 2021
✔ NPI 1871596817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in IL · 336-063910
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036-090881 (IL)
15900 CICERO AVE, Oak Forest, IL 60452
Open in Google Maps ↗

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

Homer Abiad 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 ID9638351927
PECOS Enrollment IDI20110308000468
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 Reassignment

Medicare enrollment records show Homer Abiad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cook County
Same address
General Acute Care Hospital
15900 SOUTH CICERO AVENUE
Oak Forest, IL 60452
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1023228731 (708) 633-3400

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

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 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.
49 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60452 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.

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.

84.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.25
Promoting Interoperability100
Improvement Activities40
Cost67

Other Providers at the Same Location NPPES 3

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

SUSAN K STEEPHEN PHARMD
Pharmacist
15900 CICERO AVE
OAK FOREST, IL 60452
Cook County (708) 633-4435
COOK COUNTY
Clinic/Center
15900 CICERO AVE
OAK FOREST, IL 60452
Cook County (312) 864-4779
DR. LORRAINE BANGAYAN M.D.
Internal Medicine (Cardiovascular Disease)
15900 CICERO AVE
OAK FOREST, IL 60452
Cook County (708) 633-3244

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 Homer Abiad's NPI number?

The NPI number for Homer Abiad is 1871596817. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is Homer Abiad located?

Homer Abiad practices at 15900 Cicero Ave, Oak Forest, IL 60452. The listed phone number is (708) 633-4133.

What is Homer Abiad's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Homer Abiad enrolled in Medicare?

Yes. Homer Abiad 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 organization bills Medicare for Homer Abiad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Homer Abiad reassigns Medicare benefits to Cook County (Oak Forest, IL). The 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 Homer Abiad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Homer Abiad was last updated on April 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.