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MARINA KARAMANIS DO
NPI 1699303164
Emergency Medicine in Chicago, IL

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
SWEDISH HOSPITAL, 5140 N. CALIFORNIA AVE, CHICAGO, IL 60625(773) 878-8200 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 31, 2026, Jul 10, 2024, May 12, 2020 and 1 more (4 updates tracked since 2020).

About Marina Karamanis Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARINA KARAMANIS DO (NPI 1699303164) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036.161704) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Fhn Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1699303164
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMARINA KARAMANISCredential: DO
Location AddressSWEDISH HOSPITAL, 5140 N. CALIFORNIA AVEChicago, IL 60625
Mailing AddressSwedish Hospital, 5140 N. California AveChicago, IL 60625
Phone(773) 878-8200
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateMarch 31, 20264 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
✔ NPI 1699303164 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IL · 036.161704✔ Licensed in WI · 81589-21
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 125.076367 (IL)
SWEDISH HOSPITAL, Chicago, IL 60625
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11000 Mineral Point AveJanesville, WI 53548-2982 · Phone (608) 756-6868 · Fax (608) 756-6289
Location 28201 E Riverside BlvdRockford, IL 61114-2300 · Phone (815) 971-7000 · Fax (815) 968-4795
Location 31045 W Stephenson StFreeport, IL 61032-4864 · Phone (815) 599-6000 · Fax (815) 599-7974

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

Marina Karamanis Do 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.

PECOS PAC ID7113391442
PECOS Enrollment IDI20230328000774, I20240723002730
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Marina Karamanis reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Foundation For Emergency Services
14 mi
Emergency Medicine
326 W 64TH ST
Chicago, IL 60621
  • Reassigned Medicare billing, Illinois enrollment
  • 49 clinicians in this Medicare group
NPI 1467468280 (773) 962-3900
Mercy Harvard Hospital Inc
56 mi
Critical Access
901 GRANT ST
Harvard, IL 60033
  • Reassigned Medicare billing, Illinois enrollment
  • 382 clinicians in this Medicare group
NPI 1427001445 (815) 943-5431
Mercy Health System Corporation
61 mi
Critical Access
N2950 STATE ROAD 67
Lake Geneva, WI 53147
  • Reassigned Medicare billing, Wisconsin and Illinois enrollments
  • Also billed through NPI 1598718603 (Wisconsin)
  • 271 clinicians in this Medicare group
NPI 1699728550 (262) 245-0535
Rockford Health Physicians
69 mi
Multi-Specialty
8201 E RIVERSIDE BLVD
Rockford, IL 61114
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
NPI 1043242886 (608) 314-2428
Freeport Regional Health Care Foundation
101 mi
Family Medicine
1036 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 391 clinicians in this Medicare group
NPI 1457337016 (815) 599-6000
Freeport Memorial Hospital
101 mi
General Acute Care Hospital
1045 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 478 clinicians in this Medicare group
NPI 1447228788 (815) 599-6000

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 2

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
74 services72 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
26 services25 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Fhn Memorial Hospital

Acute Care Hospitals · Freeport, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140160
Location1045 West Stephenson StreetFreeport, IL 61032 · Stephenson County
Emergency services Birthing friendly

Javon Bea Hospital

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140239
Location8201 E Riverside BlvdRockford, IL 61114 · Winnebago County
Emergency services Birthing friendly

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Mercy Walworth Hospital & Medical Center

Critical Access Hospitals · Lake Geneva, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521357
LocationN2950 State Road 67Lake Geneva, WI 53147 · Walworth County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60625 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Marina Karamanis's NPI number?

The NPI number for Marina Karamanis is 1699303164. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Marina Karamanis located?

Marina Karamanis practices at Swedish Hospital 5140 N. California Ave, Chicago, IL 60625. The listed phone number is (773) 878-8200.

What is Marina Karamanis's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marina Karamanis enrolled in Medicare?

Yes. Marina Karamanis 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 Marina Karamanis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marina Karamanis reassigns Medicare benefits to 6 organizations: Foundation For Emergency Services (Chicago, IL), Mercy Harvard Hospital Inc (Harvard, IL), Mercy Health System Corporation (Lake Geneva, WI), Rockford Health Physicians (Rockford, IL), Freeport Regional Health Care Foundation (Freeport, IL) and 1 more organization, 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 Marina Karamanis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marina Karamanis affiliated with any hospitals?

According to CMS data, Marina Karamanis is affiliated with Fhn Memorial Hospital, Javon Bea Hospital, Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Marina Karamanis was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.