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DR. AYOWALE OLADEJI MD
NPI 1780104364
Internal Medicine in Grand Rapids, MI

Active since June 23, 2017PECOS EnrolledAccepts Medicare Assignment
221 MICHIGAN ST NE STE 200-A, GRAND RAPIDS, MI 49503(616) 391-1405 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 17, 2026, Jan 18, 2023, Jun 23, 2017 (3 updates tracked since 2017).

About Dr. Ayowale Oladeji Md NPPES

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

DR. AYOWALE OLADEJI MD (NPI 1780104364) is an individual internal medicine provider in Grand Rapids, Michigan, licensed in Illinois (036.178554) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with St Anthonys Memorial Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1780104364
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. AYOWALE OLADEJICredential: MD
Location Address221 MICHIGAN ST NE STE 200-AGrand Rapids, MI 49503-2543
Mailing Address221 Michigan St Ne Ste 200-aGrand Rapids, MI 49503-2543
Phone(616) 391-1405
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 23, 2017
Last NPPES UpdateApril 17, 20263 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
✔ NPI 1780104364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036.178554✔ Licensed in MI · 4301505758
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 ListedSurgeryTaxonomy 208600000X · License 4301113142 (MI)
221 MICHIGAN ST NE STE 200-A, Grand Rapids, MI 49503
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.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. Ayowale Oladeji 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 ID7810269131
PECOS Enrollment IDI20260316000860
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

4

Medicare enrollment records show Ayowale Oladeji reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sparrow Specialty Hospital
60 mi
Long Term Care Hospital
1215 E. MICHIGAN AVE, 8W TOWER
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 104 clinicians in this Medicare group
NPI 1437655842 (517) 364-2614
Vituity - Michigan Hospitalists PC
60 mi
Hospitalist
1215 E MICHIGAN AVE
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 115 clinicians in this Medicare group
NPI 1487278156 (517) 364-1000
Covenant Medical Center, Inc.
89 mi
Urgent Care
5570 STATE ST
Saginaw, MI 48603
  • Reassigned Medicare billing, Michigan enrollment
  • 720 clinicians in this Medicare group
NPI 1831244466 (989) 583-0100
Cep America-Illinois Hospitalists
242 mi
Hospitalist
2200 E WASHINGTON ST
Bloomington, IL 61701
  • Reassigned Medicare billing, Illinois enrollment
  • 329 clinicians in this Medicare group
NPI 1669276523 (309) 662-3311

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 2

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.

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.
38 services38 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
26 services26 patients

Hospital Affiliations CMS Care Compare 5

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

St Anthonys Memorial Hospital

Acute Care Hospitals · Effingham, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140032
Location503 N Maple StreetEffingham, IL 62401 · Effingham County
Emergency services Birthing friendly

St Johns Hospital

Acute Care Hospitals · Springfield, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140053
Location800 E Carpenter StSpringfield, IL 62769 · Sangamon County
Emergency services Birthing friendly

Hillsboro Area Hospital

Critical Access Hospitals · Hillsboro, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141332
Location1200 E Tremont StreetHillsboro, IL 62049 · Montgomery County
Emergency services

Pana Community Hospital

Critical Access Hospitals · Pana, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141341
Location101 E Ninth StreetPana, IL 62557 · Christian County
Emergency services

St Francis Hospital

Critical Access Hospitals · Litchfield, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number141350
Location1215 Franciscan DrLitchfield, IL 62056 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

DR. ROXANNE KYRIAKAKIS MD
Surgery
221 MICHIGAN ST NE STE 200-A
GRAND RAPIDS, MI 49503
Kent County (616) 391-1405

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 Ayowale Oladeji's NPI number?

The NPI number for Ayowale Oladeji is 1780104364. It was assigned to this individual provider in the NPPES registry on June 23, 2017.

Where is Ayowale Oladeji located?

Ayowale Oladeji practices at 221 Michigan St NE Ste 200-A, Grand Rapids, MI 49503. The listed phone number is (616) 391-1405.

What is Ayowale Oladeji's specialty?

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

Is Ayowale Oladeji enrolled in Medicare?

Yes. Ayowale Oladeji 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 Ayowale Oladeji's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ayowale Oladeji reassigns Medicare benefits to 4 organizations: Sparrow Specialty Hospital (Lansing, MI), Vituity - Michigan Hospitalists PC (Lansing, MI), Covenant Medical Center, Inc. (Saginaw, MI) and Cep America-Illinois Hospitalists (Bloomington, 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 Ayowale Oladeji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ayowale Oladeji accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Ayowale Oladeji 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 Ayowale Oladeji affiliated with any hospitals?

According to CMS data, Ayowale Oladeji is affiliated with St Anthonys Memorial Hospital, St Johns Hospital, Hillsboro Area Hospital, Pana Community Hospital and St Francis Hospital.

When was this NPI record last updated?

The NPPES record for Ayowale Oladeji was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.