DR. OLUFEMI ABOYEJI MD
NPI 1790983690
Internal Medicine in Homewood, IL

Q: What is Olufemi Aboyeji's NPI number?

The NPI number for Olufemi Aboyeji is 1790983690. It was assigned to this individual provider in the NPPES registry on July 3, 2007.

Q: What is Olufemi Aboyeji's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Olufemi Aboyeji was last updated on December 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since July 03, 2007PECOS EnrolledAccepts Medicare Assignment

17901 GOVERNORS HWY # 209, HOMEWOOD, IL 60430(708) 960-4280(708) 960-0390 Get Directions Write a Review

NPPES record last updated: December 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Olufemi Aboyeji Md NPPES

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

DR. OLUFEMI ABOYEJI MD (NPI 1790983690) is an individual internal medicine provider in Homewood, Illinois, licensed in Illinois (125052120) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with St Bernard Hospital, and is a graduate of New York Medical College (2004).

NPPES Registry Identity

NPI1790983690

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. OLUFEMI ABOYEJICredential: MD

Location Address17901 GOVERNORS HWY # 209Homewood, IL 60430-1144

Mailing Address430 E 162nd St # 487South Holland, IL 60473-2258 · (708) 960-4280 · Fax (708) 960-0390

Phone(708) 960-4280

Fax(708) 960-0390

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 2004

Enumeration DateJuly 3, 2007

Last NPPES UpdateDecember 30, 2021

NPPES CertifiedDecember 30, 2021

✔ NPI 1790983690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 125052120

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.

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 01069941A (IN)

17901 GOVERNORS HWY # 209, Homewood, IL 60430

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Other Identifiers 1

Medicaid036119718IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield and more.Insurance ›

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. Olufemi Aboyeji Md 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 ID5890823769

PECOS Enrollment IDI20100513000694, I20111109000401

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

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

Chicagoland Infectious Disease PC

4.6 mi

Infectious Disease

430 E 162ND ST, #487
South Holland, IL 60473

Reassigned Medicare billing, Illinois and Indiana enrollments
57 clinicians in this Medicare group

NPI 1780002352 (312) 504-5757

Insight Chicago, Inc.

20 mi

Internal Medicine

2525 S MICHIGAN AVE
Chicago, IL 60616

Reassigned Medicare billing, Illinois enrollment
354 clinicians in this Medicare group

NPI 1881261006 (312) 567-2000

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 19

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

1,379 services705 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

1,062 services497 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.

1,021 services255 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

904 services384 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

682 services653 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

497 services308 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

479 services453 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

218 services164 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

213 services139 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.

189 services163 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.

150 services84 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.

145 services142 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

106 services104 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.

99 services59 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.

99 services91 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.

24 services24 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

23 services15 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

18 services18 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

St Bernard Hospital

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140103

Location326 W 64th StChicago, IL 60621 · Cook County

Emergency services

South Shore Hospital

Acute Care Hospitals · Chicago, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number140181

Location8012 South Crandon AvenueChicago, IL 60617 · Cook County

Emergency services

Ingalls Memorial Hospital

Acute Care Hospitals · Harvey, IL

2/5 CMS rating

OwnershipPhysician

CMS Certification Number140191

Location1 Ingalls DriveHarvey, IL 60426 · Cook County

Emergency services Birthing friendly

Methodist Hospitals Inc

Acute Care Hospitals · Gary, IN

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150002

Location600 Grant StGary, IN 46402 · Lake County

Emergency services Birthing friendly

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150034

Location1500 S Lake Park AveHobart, IN 46342 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60430 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.

Other Providers at the Same Location NPPES

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

MA AURORA EMMA ALTUNA ESTRADA AGAC-NP

Nurse Practitioner

17901 GOVERNORS HWY # 209
HOMEWOOD, IL 60430

Cook County (708) 960-4280

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 Olufemi Aboyeji's NPI number?

The NPI number for Olufemi Aboyeji is 1790983690. It was assigned to this individual provider in the NPPES registry on July 3, 2007.

Where is Olufemi Aboyeji located?

Olufemi Aboyeji practices at 17901 Governors Hwy # 209, Homewood, IL 60430. The listed phone number is (708) 960-4280.

What is Olufemi Aboyeji's specialty?

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

Is Olufemi Aboyeji enrolled in Medicare?

Yes. Olufemi Aboyeji 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 Olufemi Aboyeji's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olufemi Aboyeji reassigns Medicare benefits to 2 organizations: Chicagoland Infectious Disease PC (South Holland, IL) and Insight Chicago, Inc. (Chicago, 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 Olufemi Aboyeji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Olufemi Aboyeji accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield, CareSource and Oscar Health list Olufemi Aboyeji as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Olufemi Aboyeji affiliated with any hospitals?

According to CMS data, Olufemi Aboyeji is affiliated with St Bernard Hospital, South Shore Hospital, Ingalls Memorial Hospital, Methodist Hospitals Inc and St Mary Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Olufemi Aboyeji was last updated on December 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.