Igor Brondz, M.D.
Obstetrics & Gynecology Physician · Saint Charles, MO
Igor Brondz, M.D. is an obstetrics & gynecology physician with a practice address in Saint Charles, Missouri, and NPI 1750341152, issued on Mar 28, 2006. Check the license (Missouri 103336, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Igor Brondz
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 103336 MO
Self-reported in NPPES; status is on the state search - Practice location
- 400 1St Capitol Dr Ste 201, Saint Charles, MO 63301
- Phone
- (636) 669-2332
- Enumerated
- Mar 28, 2006
- Record last updated
- Oct 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (636) 669-2401
- Medicaid ID
- 209782705 MO
- Medicare enrollment
- Enrolled (PECOS I20100818000328); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 400 1St Capitol Dr Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hari Diwakaran, M.D.Gastroenterology Physician1285694703
- Jennifer Laplante, MD, PHDTrauma Surgery Physician1316262793
- Viktoria Meier, AGNPNurse Practitioner1629552138
- Samuel Rheinhardt, M.D.Surgery Physician1174903488
- Lawrence Tierney, M.D.Gastroenterology Physician1053440222
- David Westrich, MDGastroenterology Physician1679927230
Verify Igor Brondz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 103336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
360 Medicare Part D claims for 111 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Estradiol86 claims
- Fluconazole41 claims
- Medroxyprogesterone Acetate23 claims
- Acyclovir22 claims
- Junel20 claims
- Valacyclovir16 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: $16.20
1 payment: food and beverage; the largest payer was OptumHealth Care Solutions, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Ssm Medical Group IncSaint Charles, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Igor Brondz among 902 obstetrics & gynecology physician records in Missouri
Igor Brondz, M.D. is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1978 · median 2007 among the 528 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Missouri
There are 902 obstetrics & gynecology physician records in Missouri.
All 902 in Missouri → Every provider in Saint Charles → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Randall Friesen, MDSaint Charles, MO 633011437157740
- Bang-Orn Gira, M.D.Saint Charles, MO 633011255385761
- John Hamilton, MDSaint Charles, MO 633011427242148
- John Hammons, M.D.Saint Charles, MO 633011487601761
- Tehmton Mistry, MDSaint Charles, MO 633011194779033
- Valerie Nelson-Mason, MDSaint Charles, MO 633011316986508
- Chong Park, M.D.Saint Charles, MO 633011992751770
- Lauren Rice, M.D.Saint Charles, MO 633011255385894
Common questions
What is Igor Brondz, M.D.'s NPI number?
Igor Brondz, M.D.'s National Provider Identifier (NPI) is 1750341152, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Igor Brondz, M.D. located?
The NPPES record lists a practice address at 400 1St Capitol Dr Ste 201, Saint Charles, MO, 63301. Phone: (636) 669-2332. Providers update this record themselves, so call before visiting.
How can I verify Igor Brondz, M.D.'s license?
NPPES lists Missouri license number 103336, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Igor Brondz, M.D. prescribe under Medicare Part D?
In 2024, Igor Brondz, M.D. had 360 Medicare Part D claims for 111 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.