Nicole Margo Grogan Fleege, M.D.
Hematology & Oncology Physician · Iowa City, IA
Nicole Margo Grogan Fleege, M.D. is a hematology & oncology physician with a practice address in Iowa City, Iowa, and NPI 1609255991, issued on May 20, 2015. Check the license (Iowa MD-45024, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicole Margo Grogan Fleege
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD-45024 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-7831
- Enumerated
- May 20, 2015
- Record last updated
- Oct 7, 2022
- Fax
- (319) 353-8383
- Medicare enrollment
- Enrolled (PECOS I20180521002150); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 90 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helena Aaberg, MDAnesthesiology Physician1689301558
- Abdullah Abbasi, MDGastroenterology Physician1932944204
- Mary Jo Abbott, RPHPharmacist1841325875
- Francois Abboud, MDCardiovascular Disease Physician1598753113
- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Nicole Margo Grogan Fleege in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-45024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
264 Medicare Part D claims for 55 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Anastrozole81 claims
- Letrozole40 claims
- Prochlorperazine Maleate20 claims
- Verzenio18 claims
- Exemestane17 claims
- Ondansetron Hcl17 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.
Bills Medicare through one group practice
- State University OF IowaIowa City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicole Margo Grogan Fleege among 90 hematology & oncology physician records in Iowa
Nicole Margo Grogan Fleege, M.D. is one of 90 hematology & oncology physician records with a practice address in Iowa. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 79% of them.
- NPI issued2015 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2015 · median 2003 among the 55 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Iowa
There are 90 hematology & oncology physician records in Iowa.
All 90 in Iowa → Every provider in Iowa City → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Daniel Berg, MDIowa City, IA 522421841289790
- Thomas Carlisle, MD PHDIowa City, IA 522421134116288
- Thomas Carter, MD PHDIowa City, IA 522421093703951
- Yuya Hagiwara, MDIowa City, IA 522421083811087
- Katarzyna Jamieson, MDIowa City, IA 522421376582205
- Mark Karwal, MDIowa City, IA 522421891770616
- Douglas Laux, MDIowa City, IA 522421295946218
- Brian Link, MDIowa City, IA 522421487635793
Common questions
What is Nicole Margo Grogan Fleege, M.D.'s NPI number?
Nicole Margo Grogan Fleege, M.D.'s National Provider Identifier (NPI) is 1609255991, issued on May 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Nicole Margo Grogan Fleege, M.D. located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-7831. Providers update this record themselves, so call before visiting.
How can I verify Nicole Margo Grogan Fleege, M.D.'s license?
NPPES lists Iowa license number MD-45024, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicole Margo Grogan Fleege, M.D. prescribe under Medicare Part D?
In 2024, Nicole Margo Grogan Fleege, M.D. had 264 Medicare Part D claims for 55 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.