Nicole Marie Geissen, D.O.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Chicago, IL
Nicole Marie Geissen, D.O. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Chicago, Illinois, and NPI 1841422482, issued on Aug 16, 2009. Check the license (Illinois 036132599, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nicole Marie Geissen
- Credential
- D.O.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 036132599 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1901 W Harrison St Ste 3350, Chicago, IL 60612
- Phone
- (312) 864-6000
- Enumerated
- Aug 16, 2009
- Record last updated
- May 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20220124000826); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2008
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 265 in Illinois → Look up another NPI →
Verify Nicole Marie Geissen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036132599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
15 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $7,199.52
25 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Cook CountyChicago, IL
- Rush University Medical GroupCrown Point, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicole Marie Geissen among 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois
Nicole Marie Geissen, D.O. is one of 265 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 55% of them.
- NPI issued2009 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2008 · median 1999 among the 148 with a school on file
- Record last updated2024 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Illinois
There are 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois.
All 265 in Illinois → Every provider in Chicago → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Khaled Abdelhady, M.D.Chicago, IL 606121811173156
- Adam Braze, D.O.Chicago, IL 606121336265297
- Can Erdem, M.D.Chicago, IL 606121942398789
- Marshall Goldin, MDChicago, IL 606121033222419
- Edward Hong, M.D.Chicago, IL 606121952569147
- Justin Karush, DOChicago, IL 606121891016606
- Michael Liptay, MDChicago, IL 606121245338607
- Robert March, MDChicago, IL 606121891809034
Common questions
What is Nicole Marie Geissen, D.O.'s NPI number?
Nicole Marie Geissen, D.O.'s National Provider Identifier (NPI) is 1841422482, issued on Aug 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nicole Marie Geissen, D.O. located?
The NPPES record lists a practice address at 1901 W Harrison St Ste 3350, Chicago, IL, 60612. Phone: (312) 864-6000. Providers update this record themselves, so call before visiting.
How can I verify Nicole Marie Geissen, D.O.'s license?
NPPES lists Illinois license number 036132599, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicole Marie Geissen, D.O. prescribe under Medicare Part D?
In 2024, Nicole Marie Geissen, D.O. had 15 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.