DR. ELENA GUEORGUIEV MD
NPI 1356804223
Internal Medicine in Munster, IN
About Dr. Elena Gueorguiev Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELENA GUEORGUIEV MD (NPI 1356804223) is an individual internal medicine provider in Munster, Indiana, licensed in Indiana (01088844A) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains a secondary practice location in Crown Point.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Dr. Elena Gueorguiev 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
2Medicare enrollment records show Elena Gueorguiev reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
St John, IN 46373
- Reassigned Medicare billing, Indiana enrollment
- 607 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Indiana enrollment
- 343 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
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, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46321 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.
MUNSTER, IN 46321
MUNSTER, IN 46321
MUNSTER, IN 46321
MUNSTER, IN 46321
MUNSTER, IN 46321
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 Elena Gueorguiev's NPI number?
The NPI number for Elena Gueorguiev is 1356804223. It was assigned to this individual provider in the NPPES registry on April 8, 2019.
Where is Elena Gueorguiev located?
Elena Gueorguiev practices at 901 Macarthur Blvd, Munster, IN 46321. The listed phone number is (219) 836-1600.
What is Elena Gueorguiev's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Elena Gueorguiev enrolled in Medicare?
Yes. Elena Gueorguiev 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 Elena Gueorguiev's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elena Gueorguiev reassigns Medicare benefits to 2 organizations: Community Care Network Inc (St John, IN) and University Of Chicago (Chicago, 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 Elena Gueorguiev's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elena Gueorguiev accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Oscar Health list Elena Gueorguiev 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 Elena Gueorguiev affiliated with any hospitals?
According to CMS data, Elena Gueorguiev is affiliated with The University Of Chicago Medical Center.
When was this NPI record last updated?
The NPPES record for Elena Gueorguiev was last updated on September 25, 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.
# Dr. Elena Gueorguiev, MD · NPI 1356804223
Internal Medicine physician in Munster, Indiana. Individual provider, active in the CMS NPPES registry since April 8, 2019.
## Identity
- **NPI:** 1356804223 (Entity type: Individual)
- **Enumerated:** April 8, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 01088844A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 901 MACARTHUR BLVD, Munster, IN 46321-2901
- **Phone:** (219) 836-1600 · **Fax:** (219) 853-4631
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Community Care Network Inc (NPI 1457610487, St John, IN); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** September 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1356804223) · Data from the CMS NPPES public registry.