NPPES file of Aug 9, 2026

Giselle Mery, M.D.

Medical Oncology Physician · Des Moines, IA

Giselle Mery, M.D. is a medical oncology physician with a practice address in Des Moines, Iowa, and NPI 1295747624, issued on Aug 13, 2006. Check the license (Iowa MD-50497, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295747624
Name
Giselle Mery
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
MD-50497 IA
ME120661 FL
M54084 MD
Self-reported in NPPES; status is on the state search
Practice location
411 Laurel St Ste A300, Des Moines, IA 50314
Phone
(515) 282-2921
Enumerated
Aug 13, 2006
Record last updated
Nov 18, 2025
Medicaid IDs
012854500 FL
380170500 MD
0095828 IA
Medicare enrollment
Enrolled (PECOS I20221031002863); accepts Medicare assignment
Medical or professional school
New York Medical College, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 411 Laurel St Ste A300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kelsey Bieghler, ARNPFamily Nurse Practitioner1427690387
  2. Kristi Bogseth, ARNPAdult Health Nurse Practitioner1588905228
  3. Tristan Boss, ARNPAcute Care Nurse Practitioner1780468959
  4. Sydney Brehany, MDMedical Oncology Physician1821529363
  5. Cassidy Brown, ARNPNurse Practitioner1609533264
  6. Emily Brugioni, DOMedical Oncology Physician1790136182

Verify Giselle Mery in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-50497
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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21% more Medicare Part D claims than the average medical oncology physician in 2024

851 Medicare Part D claims for 139 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 42 claims were for opioids.

  1. Giselle Mery851
  2. Specialty average703

Most prescribed

  1. Letrozole95 claims
  2. Anastrozole71 claims
  3. Dexamethasone51 claims
  4. Acyclovir44 claims
  5. Eliquis43 claims
  6. Levofloxacin39 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: $335.06

3 payments; by number, the most common kind was education; the largest payer was Blueprint Medicines Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Giselle Mery$335
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospitals and group practices

  1. Lucas County Health CenterChariton, IA · Critical Access Hospitals
  2. State University OF IowaDes Moines, IA
  3. Wayne County HospitalCorydon, IA · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Giselle Mery among 61 medical oncology physician records in Iowa

Giselle Mery, M.D. is one of 61 medical oncology 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1996 · median 2002 among the 45 with a school on file
  • Record last updated2025 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Iowa

There are 61 medical oncology physician records in Iowa.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Sydney Brehany, MDDes Moines, IA 503141821529363
  2. Emily Brugioni, DODes Moines, IA 503141790136182
  3. Laxmi Narayana Buddharaju, M.D.Des Moines, IA 503141184604993
  4. Justin Buzick, MDDes Moines, IA 503141316434574
  5. Abdelaziz Elhaddad, MDDes Moines, IA 503141447488325
  6. Magdy Elsawy, MDDes Moines, IA 503141164422846
  7. Brian Freeman, M.D.Des Moines, IA 503141225141609
  8. Steven Heddinger, MDDes Moines, IA 503141750344743

Common questions

What is Giselle Mery, M.D.'s NPI number?

Giselle Mery, M.D.'s National Provider Identifier (NPI) is 1295747624, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Giselle Mery, M.D. located?

The NPPES record lists a practice address at 411 Laurel St Ste A300, Des Moines, IA, 50314. Phone: (515) 282-2921. Providers update this record themselves, so call before visiting.

How can I verify Giselle Mery, M.D.'s license?

NPPES lists Iowa license number MD-50497, 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 Giselle Mery, M.D. prescribe under Medicare Part D?

In 2024, Giselle Mery, M.D. had 851 Medicare Part D claims for 139 beneficiaries; the average among medical oncology physician prescribers was 703. 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.