Katherine M. Dewey, M.D.
Obstetrics & Gynecology Physician · Saint Charles, MO
Katherine M. Dewey, M.D. is an obstetrics & gynecology physician with a practice address in Saint Charles, Missouri, and NPI 1194786434, issued on Mar 28, 2006. Check the license (Missouri 2004023910, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Katherine M. Dewey
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 2004023910 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1475 Kisker RD Ste 200, Saint Charles, MO 63304
- Phone
- (636) 498-5870
- Enumerated
- Mar 28, 2006
- Record last updated
- Oct 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (636) 498-5886
- Medicaid ID
- 207366204 MO
- Medicare enrollment
- Enrolled (PECOS I20050518000029); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1994
- Entity
- Type 1 · individual
Also registered at 1475 Kisker RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tara Birke, NP (APRN)Nurse Practitioner1619412962
- Robert Brown, M.D.Obstetrics & Gynecology Physician1316909872
- Lisa DevallNurse Practitioner1699649665
- Alante Ghannam, FNPFamily Nurse Practitioner1083153787
- Thomas Gutmann, M.D.Internal Medicine Physician1437165834
- Raymond Hu, M.D.Internal Medicine Physician1780645960
Verify Katherine M. Dewey 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 2004023910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
344 Medicare Part D claims for 117 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol73 claims
- Ibandronate Sodium32 claims
- Fluconazole28 claims
- Clobetasol Propionate25 claims
- Valacyclovir23 claims
- Oxybutynin Chloride Er17 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 2 group practices
- Carestl HealthSaint Louis, MO
- 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).
Obstetrics & Gynecology Physician providers in Missouri
There are 902 obstetrics & gynecology physician records in Missouri.
Other obstetrics & gynecology physician records in Missouri
- Ana Adams, DOKansas City, MO1962151613
- Pamela Adams, MDSaint Louis, MO1104116995
- Allie Adrian, MDSaint Louis, MO1205621596
- Mona Afrassiab, DOOsage Beach, MO1679572119
- Gabrielle AgcaoiliKansas City, MO1023909249
- Christoper Ahlering, M.D.Saint Louis, MO1760419485
- Sandra Ahlum, M.D.Hannibal, MO1427037183
- Nusrat Ahmad, MDSaint Louis, MO1114966348
- Natasha Ahmed, M.D.Kansas City, MO1861758716
- Tanvira Alam, DOO Fallon, MO1265670525
Common questions
What is Katherine M. Dewey, M.D.'s NPI number?
Katherine M. Dewey, M.D.'s National Provider Identifier (NPI) is 1194786434, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine M. Dewey, M.D. located?
The NPPES record lists a practice address at 1475 Kisker RD Ste 200, Saint Charles, MO, 63304. Phone: (636) 498-5870. Providers update this record themselves, so call before visiting.
How can I verify Katherine M. Dewey, M.D.'s license?
NPPES lists Missouri license number 2004023910, 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 Katherine M. Dewey, M.D. prescribe under Medicare Part D?
In 2024, Katherine M. Dewey, M.D. had 344 Medicare Part D claims for 117 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.