EUGEN IVAN MD
NPI 1790735389
Specialist in Lawton, OK
About Eugen Ivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUGEN IVAN MD (NPI 1790735389) is an individual specialist in Lawton, Oklahoma, licensed in Utah (6121228-1205) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Jackson County Memorial Hospital Authority, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
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
Eugen Ivan 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 Eugen Ivan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 160 clinicians in this Medicare group
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 11 clinicians in this Medicare group
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 10 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 37
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Jackson County Memorial Hospital Authority
Acute Care Hospitals · Altus, OKDuncan Regional Hospital, Inc
Acute Care Hospitals · Duncan, OKComanche County Memorial Hospital
Acute Care Hospitals · Lawton, OKLawton Indian Hospital
Acute Care Hospitals · Lawton, OKMedicare 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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAWTON, OK 73505
LAWTON, OK 73505
LAWTON, OK 73505
LAWTON, OK 73505
LAWTON, OK 73505
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 Eugen Ivan's NPI number?
The NPI number for Eugen Ivan is 1790735389. It was assigned to this individual provider in the NPPES registry on May 12, 2006.
Where is Eugen Ivan located?
Eugen Ivan practices at 3106 NW Arlington Ave, Lawton, OK 73505. The listed phone number is (580) 250-4278.
What is Eugen Ivan's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Eugen Ivan enrolled in Medicare?
Yes. Eugen Ivan 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 Eugen Ivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugen Ivan reassigns Medicare benefits to 3 organizations: Comanche County Healthcare Corporation (Lawton, OK), Comanche County Hospital Authority (Lawton, OK) and Comanche County Hospital Authority (Lawton, OK). 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 Eugen Ivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eugen Ivan accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Eugen Ivan 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 Eugen Ivan affiliated with any hospitals?
According to CMS data, Eugen Ivan is affiliated with Jackson County Memorial Hospital Authority, Duncan Regional Hospital, Inc, Comanche County Memorial Hospital and Lawton Indian Hospital.
When was this NPI record last updated?
The NPPES record for Eugen Ivan was last updated on August 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.