Janet Matuszek, DO
Obstetrics & Gynecology Physician · Saint Peters, MO
Janet Matuszek, DO is an obstetrics & gynecology physician with a practice address in Saint Peters, Missouri, and NPI 1265542146, issued on Aug 30, 2006. Check the license (Missouri 104103, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Janet Matuszek
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 104103 MO
Self-reported in NPPES; status is on the state search - Practice location
- 209 First Executive Ave, Saint Peters, MO 63376
- Phone
- (636) 936-8777
- Enumerated
- Aug 30, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (636) 939-4257
- Medicaid ID
- 249794520 MO
- Medicare enrollment
- Enrolled (PECOS I20071213000047); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1992
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 209 First Executive Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marcy Haley, WHNPWomen's Health Nurse Practitioner1912274341
- Megan Mohrman, MDObstetrics & Gynecology Physician1225472178
- Julie Schweitzer, WHNPWomen's Health Nurse Practitioner1215479134
- Angela Warner, WHNPWomen's Health Nurse Practitioner1477077394
Verify Janet Matuszek 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 104103Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
259 Medicare Part D claims for 105 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol76 claims
- Valacyclovir23 claims
- Medroxyprogesterone Acetate16 claims
- Estring11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $431.68
18 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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
- Washington UniversitySaint Peters, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet Matuszek among 902 obstetrics & gynecology physician records in Missouri
Janet Matuszek, DO 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
- Graduated1992 · median 2007 among the 528 with a school on file
- Record last updated2025 · 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 Peters → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kirim Chang, M.D.Saint Peters, MO 633761114133212
- Joseph Hazan, MDSt Peters, MO 633761881786960
- Stephanie Higgins, MDSaint Peters, MO 633761093109258
- Megan Mohrman, MDSaint Peters, MO 633761225472178
- Beth Rasmussen, M.D.Troy, MO 633791568544278
- Thomas Ganz, M.D.Warrenton, MO 633831447696802
- Ashley Batten, DOO Fallon, MO 633681164095311
- Jessica Fivecoat, M.D.O Fallon, MO 633681568663466
Common questions
What is Janet Matuszek, DO's NPI number?
Janet Matuszek, DO's National Provider Identifier (NPI) is 1265542146, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet Matuszek, DO located?
The NPPES record lists a practice address at 209 First Executive Ave, Saint Peters, MO, 63376. Phone: (636) 936-8777. Providers update this record themselves, so call before visiting.
How can I verify Janet Matuszek, DO's license?
NPPES lists Missouri license number 104103, 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 Janet Matuszek, DO prescribe under Medicare Part D?
In 2024, Janet Matuszek, DO had 259 Medicare Part D claims for 105 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Janet Matuszek, DO's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.