DR. AGBADEBO OLANREWAJU ONABAJO MD
NPI 1629642533
Internal Medicine in Grand Blanc, MI
About Dr. Agbadebo Olanrewaju Onabajo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AGBADEBO OLANREWAJU ONABAJO MD (NPI 1629642533) is an individual internal medicine provider in Grand Blanc, Michigan, licensed in Michigan (4351048431) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Munson Healthcare Cadillac Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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. Agbadebo Olanrewaju Onabajo 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.
Medicare Billing Reassignments
3Medicare enrollment records show Agbadebo Onabajo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- 596 clinicians in this Medicare group
Cadillac, MI 49601
- Reassigned Medicare billing, Michigan enrollment
- 123 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 124 clinicians in this Medicare group
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 3
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Munson Healthcare Cadillac Hospital
Acute Care Hospitals · Cadillac, MIMunson Medical Center
Acute Care Hospitals · Traverse City, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48439 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
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 Agbadebo Onabajo's NPI number?
The NPI number for Agbadebo Onabajo is 1629642533. It was assigned to this individual provider in the NPPES registry on May 14, 2021.
Where is Agbadebo Onabajo located?
Agbadebo Onabajo practices at 1 Genesys Pkwy, Grand Blanc, MI 48439. The listed phone number is (810) 606-5000.
What is Agbadebo Onabajo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Agbadebo Onabajo enrolled in Medicare?
Yes. Agbadebo Onabajo 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 Agbadebo Onabajo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Agbadebo Onabajo reassigns Medicare benefits to 3 organizations: Sound Inpatient Physicians-Michigan, PLLC (Kalamazoo, MI), Wexford Physician Services PC (Cadillac, MI) and Grand Traverse Physician Services PC (Traverse City, MI). 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 Agbadebo Onabajo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Agbadebo Onabajo affiliated with any hospitals?
According to CMS data, Agbadebo Onabajo is affiliated with Munson Healthcare Cadillac Hospital and Munson Medical Center.
When was this NPI record last updated?
The NPPES record for Agbadebo Onabajo was last updated on May 14, 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.
# Dr. Agbadebo Olanrewaju Onabajo, MD · NPI 1629642533
Internal Medicine physician in Grand Blanc, Michigan. Individual provider, active in the CMS NPPES registry since May 14, 2021.
## Identity
- **NPI:** 1629642533 (Entity type: Individual)
- **Enumerated:** May 14, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4351048431 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 GENESYS PKWY, Grand Blanc, MI 48439-8065
- **Phone:** (810) 606-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Sound Inpatient Physicians-Michigan, PLLC (NPI 1093967861, Kalamazoo, MI); Wexford Physician Services PC (NPI 1649084260, Cadillac, MI); Grand Traverse Physician Services PC (NPI 1932913217, Traverse City, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 14, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1629642533) · Data from the CMS NPPES public registry.