DR. ALEXANDRU MARGINEAN M.D.
NPI 1669829354
Internal Medicine - Cardiovascular Disease in Valparaiso, IN
About Dr. Alexandru Marginean M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDRU MARGINEAN M.D. (NPI 1669829354) is an individual cardiovascular disease provider in Valparaiso, Indiana, licensed in Indiana (01087135A) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains a secondary practice location in Flossmoor.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Alexandru Marginean M.d. 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 Alexandru Marginean reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valparaiso, IN 46383
- Reassigned Medicare billing, Indiana enrollment
- 153 clinicians in this Medicare group
Harvey, IL 60426
- Reassigned Medicare billing, Illinois enrollment
- 126 clinicians in this Medicare group
Westchester, IL 60154
- Reassigned Medicare billing, Illinois enrollment
- 2 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 21
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.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILIngalls Memorial Hospital
Acute Care Hospitals · Harvey, ILNorthwest Health - Porter
Acute Care Hospitals · Valparaiso, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46383 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.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VALPARAISO, IN 46383
VALPARAISO, IN 46383
VALPARAISO, IN 46383
VALPARAISO, IN 46383
VALPARAISO, IN 46383
VALPARAISO, IN 46383
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 Alexandru Marginean's NPI number?
The NPI number for Alexandru Marginean is 1669829354. It was assigned to this individual provider in the NPPES registry on May 23, 2016.
Where is Alexandru Marginean located?
Alexandru Marginean practices at 85 E Us Highway 6 Ste 300, Valparaiso, IN 46383. The listed phone number is (219) 983-6300.
What is Alexandru Marginean's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Alexandru Marginean enrolled in Medicare?
Yes. Alexandru Marginean 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 Alexandru Marginean's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandru Marginean reassigns Medicare benefits to 3 organizations: La Porte Clinic Company LLC (Valparaiso, IN), Ucm Medical Group Sub, LLC (Harvey, IL) and Stepone Health Services PC (Westchester, 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 Alexandru Marginean's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexandru Marginean affiliated with any hospitals?
According to CMS data, Alexandru Marginean is affiliated with The University Of Chicago Medical Center, Ingalls Memorial Hospital and Northwest Health - Porter.
When was this NPI record last updated?
The NPPES record for Alexandru Marginean was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.