IVAN DAVID ONGOM MD
NPI 1659502433
Hospitalist in Dayton, OH
About Ivan David Ongom Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IVAN DAVID ONGOM MD (NPI 1659502433) is an individual hospitalist provider in Dayton, Ohio, licensed in Ohio (35-098603) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Miami Valley Hospital, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted 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
Ivan David Ongom 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
10Medicare enrollment records show Ivan Ongom reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dayton, OH 45409
- Reassigned Medicare billing, Ohio enrollment
- 270 clinicians in this Medicare group
Dayton, OH 45409
- Reassigned Medicare billing, Ohio enrollment
- 744 clinicians in this Medicare group
Troy, OH 45373
- Reassigned Medicare billing, Ohio enrollment
- 405 clinicians in this Medicare group
Middletown, OH 45005
- Reassigned Medicare billing, Ohio enrollment
- 263 clinicians in this Medicare group
Springfield, OH 45504
- Reassigned Medicare billing, Ohio enrollment
- 494 clinicians in this Medicare group
Chillicothe, OH 45601
- Reassigned Medicare billing, Ohio enrollment
- 204 clinicians in this Medicare group
Columbus, OH 43213
- Reassigned Medicare billing, Ohio enrollment
- 776 clinicians in this Medicare group
Canton, OH 44708
- Reassigned Medicare billing, Ohio enrollment
- 456 clinicians in this Medicare group
Henderson, KY 42420
- Reassigned Medicare billing, Kentucky enrollment
- 125 clinicians in this Medicare group
Ashtabula, OH 44004
- Reassigned Medicare billing, Ohio enrollment
- 272 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 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Miami Valley Hospital
Acute Care Hospitals · Dayton, OHUpper Valley Medical Center
Acute Care Hospitals · Troy, OHMercy Health - West Hospital
Acute Care Hospitals · Cincinnati, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45409 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Ivan Ongom's NPI number?
The NPI number for Ivan Ongom is 1659502433. It was assigned to this individual provider in the NPPES registry on July 28, 2009.
Where is Ivan Ongom located?
Ivan Ongom practices at 30 E Apple St Ste 3300, Dayton, OH 45409. The listed phone number is (937) 208-8394.
What is Ivan Ongom's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ivan Ongom enrolled in Medicare?
Yes. Ivan Ongom 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 Ivan Ongom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ivan Ongom reassigns Medicare benefits to 10 organizations: Sinclair Physician Services, LLC (Dayton, OH), Mvhe Inc (Dayton, OH), Upper Valley Professional Corporation (Troy, OH), Hisey Physician Services, LLC (Middletown, OH), Usacs Integrated Acute Care Services Of Ohio, LLC (Springfield, OH) and 5 more organizations, listed in the Medicare section above. 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 Ivan Ongom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ivan Ongom accept?
Health plans from CareSource list Ivan Ongom 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 Ivan Ongom affiliated with any hospitals?
According to CMS data, Ivan Ongom is affiliated with Miami Valley Hospital, Upper Valley Medical Center and Mercy Health - West Hospital.
When was this NPI record last updated?
The NPPES record for Ivan Ongom was last updated on April 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Ivan David Ongom, MD · NPI 1659502433
Hospitalist physician in Dayton, Ohio. Individual provider, active in the CMS NPPES registry since July 28, 2009.
## Identity
- **NPI:** 1659502433 (Entity type: Individual)
- **Enumerated:** July 28, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 35-098603 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 30 E APPLE ST, STE 3300, Dayton, OH 45409-2939
- **Phone:** (937) 208-8394 · **Fax:** (937) 208-8388
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Sinclair Physician Services, LLC (NPI 1063289601, Dayton, OH); Mvhe Inc (NPI 1356394795, Dayton, OH); Upper Valley Professional Corporation (NPI 1407872518, Troy, OH); Hisey Physician Services, LLC (NPI 1073380614, Middletown, OH); Usacs Integrated Acute Care Services Of Ohio, LLC (NPI 1043805690, Springfield, OH); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** April 26, 2018
- **Other identifiers:** Medicaid 0068049 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1659502433) · Data from the CMS NPPES public registry.