NICOLE MARIE GEISSEN D.O.
NPI 1841422482
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Chicago, IL

Q: What is Nicole Geissen's NPI number?

The NPI number for Nicole Geissen is 1841422482. It was assigned to this individual provider in the NPPES registry on August 16, 2009.

Q: What is Nicole Geissen's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Q: When was this NPI record last updated?

The NPPES record for Nicole Geissen was last updated on May 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since August 16, 2009PECOS EnrolledAccepts Medicare Assignment

1901 W HARRISON ST STE 3350, CHICAGO, IL 60612(312) 864-6000 Get Directions Write a Review

NPPES record last updated: May 3, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 3, 2024, Apr 28, 2021, Apr 23, 2021 and 3 more (6 updates tracked since 2018).

On this page

About Nicole Marie Geissen D.o. NPPES

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

NICOLE MARIE GEISSEN D.O. (NPI 1841422482) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Chicago, Illinois, licensed in Illinois (036132599) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Copley Memorial Hospital, and maintains a secondary practice location in Arlington Heights.

NPPES Registry Identity

NPI1841422482

Entity TypeIndividualFemale

Primary Taxonomy208G00000X

Provider Legal NameNICOLE MARIE GEISSENCredential: D.O.

Location Address1901 W HARRISON ST STE 3350Chicago, IL 60612

Mailing Address1901 W Harrison St Ste 3350Chicago, IL 60612-3714 · (312) 864-6000

Phone(312) 864-6000

Sole ProprietorNo

Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2008

Enumeration DateAugust 16, 2009

Last NPPES UpdateMay 3, 20246 updates tracked since enumeration

NPPES CertifiedMay 3, 2024

✔ NPI 1841422482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

License✔ Licensed in IL · 036132599

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Also ListedSurgeryTaxonomy 208600000X · License 036132599 (IL)

Also ListedSurgery · Surgical OncologyTaxonomy 2086X0206X · License 036132599 (IL)

1901 W HARRISON ST STE 3350, Chicago, IL 60612

Open in Google Maps ↗

Secondary Practice Location 1

Location 1880 W Central Rd Ste 5000Arlington Heights, IL 60005-2355 · Phone (847) 618-3800 · Fax (847) 618-3809

Other Identifiers 1

Other036132599IL · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Nicole Marie Geissen D.o. 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 ID1254641244

PECOS Enrollment IDI20161205001868, I20220124000826

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

Medicare enrollment records show Nicole Geissen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cook County

Same address

Multi-Specialty

1901 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
1,047 clinicians in this Medicare group

NPI 1245350040 (312) 864-4649

Rush University Medical Group

0.4 mi

Internal Medicine

1620 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois and Indiana enrollments
2,169 clinicians in this Medicare group

NPI 1093819542 (312) 942-5000

Rush Medical Group

0.4 mi

Internal Medicine

1620 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois and Indiana enrollments
548 clinicians in this Medicare group

NPI 1467312850 (312) 942-5000

Northwest Community Health Services Inc

21 mi

Obstetrics

880 W CENTRAL RD STE 6200
Arlington Heights, IL 60005

Reassigned Medicare billing, Illinois enrollment
346 clinicians in this Medicare group

NPI 1467057513 (847) 618-0730

Copley Memorial Hospital, Inc.

32 mi

Endocrinology, Diabetes & Metabolism

2040 OGDEN AVE STE 217
Aurora, IL 60504

Reassigned Medicare billing, Illinois enrollment
79 clinicians in this Medicare group

NPI 1619466034 (630) 499-4721

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 4

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

Copley Memorial Hospital

Acute Care Hospitals · Aurora, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140029

Location2000 Ogden AvenueAurora, IL 60504 · Kane County

Emergency services Birthing friendly

Rush University Medical Center

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140119

Location1653 West Congress ParkwayChicago, IL 60612 · Cook County

Emergency services Birthing friendly

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number140124

Location1901 W Harrison StChicago, IL 60612 · Cook County

Emergency services Birthing friendly

Franciscan Health Dyer

Acute Care Hospitals · Dyer, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number150090

Location24 Joliet StDyer, IN 46311 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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

$183.39 typical visit price

range $60.08 – $183.39

Typical copayment $45.84 (range $15.02 – $45.84)

Most-billed visit code 99205

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$14.87 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$63.93 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Nicole Geissen's NPI number?

The NPI number for Nicole Geissen is 1841422482. It was assigned to this individual provider in the NPPES registry on August 16, 2009.

Where is Nicole Geissen located?

Nicole Geissen practices at 1901 W Harrison St Ste 3350, Chicago, IL 60612. The listed phone number is (312) 864-6000.

What is Nicole Geissen's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Nicole Geissen enrolled in Medicare?

Yes. Nicole Geissen 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 Nicole Geissen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Geissen reassigns Medicare benefits to 5 organizations: Cook County (Chicago, IL), Rush University Medical Group (Chicago, IL), Rush Medical Group (Chicago, IL), Northwest Community Health Services Inc (Arlington Heights, IL) and Copley Memorial Hospital, Inc. (Aurora, 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 Nicole Geissen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicole Geissen accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Nicole Geissen 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 Nicole Geissen affiliated with any hospitals?

According to CMS data, Nicole Geissen is affiliated with Copley Memorial Hospital, Rush University Medical Center, John H Stroger Jr Hospital and Franciscan Health Dyer.

When was this NPI record last updated?

The NPPES record for Nicole Geissen was last updated on May 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.