Chereen M. Stroup, MD
Family Medicine Physician · Mason City, IA
Chereen M. Stroup, MD is a family medicine physician with a practice address in Mason City, Iowa, and NPI 1457385742, issued on Jul 10, 2006. Check the license (Iowa R-7003, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Chereen M. Stroup
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R-7003 IA
Self-reported in NPPES; status is on the state search - Practice location
- 621 S Illinois Ave, Mason City, IA 50401
- Phone
- (641) 428-6900
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 9, 2025
- Fax
- (641) 428-6901
- Medicare enrollment
- Enrolled (PECOS I20040803000052); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 621 S Illinois Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chereen M. Stroup in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-7003Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average family medicine physician in 2024
5,207 Medicare Part D claims for 351 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 103 claims were for opioids.
Most prescribed
- Atorvastatin Calcium406 claims
- Omeprazole246 claims
- Levothyroxine Sodium238 claims
- Losartan Potassium201 claims
- Lisinopril188 claims
- Metoprolol Succinate180 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: $91.50
4 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- North Iowa Mercy ClinicsMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chereen M. Stroup among 2,336 family medicine physician records in Iowa
Chereen M. Stroup, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2006 among the 1,367 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family medicine physician records list a practice address in Mason City
They are 56 of the 866 NPPES records with a practice address in Mason City, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Mason City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Behr, MDMason City, IA 504011770699423
- Robert Borgman, MDMason City, IA 504011750304028
- Mark Dankle, DOMason City, IA 504011891725834
- Robert Fagerholm, M.D.Mason City, IA 504011477584092
- Rebecca Jenkins, D.O.Mason City, IA 504011285613893
- Hameed Khan, MDMason City, IA 504011700813342
- Kimberly Larson, ARNPMason City, IA 504011689680183
- Mark Mahoney, M.D.Mason City, IA 504011427028554
Common questions
What is Chereen M. Stroup, MD's NPI number?
Chereen M. Stroup, MD's National Provider Identifier (NPI) is 1457385742, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chereen M. Stroup, MD located?
The NPPES record lists a practice address at 621 S Illinois Ave, Mason City, IA, 50401. Phone: (641) 428-6900. Providers update this record themselves, so call before visiting.
How can I verify Chereen M. Stroup, MD's license?
NPPES lists Iowa license number R-7003, 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 Chereen M. Stroup, MD prescribe under Medicare Part D?
In 2024, Chereen M. Stroup, MD had 5,207 Medicare Part D claims for 351 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.