NPPES file of Aug 9, 2026

Caroline Werner, M.D.

Obstetrics & Gynecology Physician · Florissant, MO

Caroline Werner, M.D. is an obstetrics & gynecology physician with a practice address in Florissant, Missouri, and NPI 1538151097, issued on Aug 19, 2005. Check the license (Missouri R1F05, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1538151097
Name
Caroline Werner
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
R1F05 MO
Self-reported in NPPES; status is on the state search
Practice location
1120 Shackelford RD, Florissant, MO 63031
Phone
(314) 921-4420
Enumerated
Aug 19, 2005
Record last updated
Mar 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(314) 921-6086
Medicare enrollment
Enrolled (PECOS I20070212000579); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1984
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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8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →

Also registered at 1120 Shackelford RD

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

  1. Juan Alvarez, M.D.Internal Medicine Physician1356315634
  2. Maddison Baker, PA-CPhysician Assistant1154214278
  3. Kelly Briggs, NPNurse Practitioner1558810838
  4. Rosemary Gaertner, NPFamily Nurse Practitioner1235332727
  5. Francisco Garriga, M.D.Rheumatology Physician1164496618
  6. Mehwish Mufti, MDFamily Medicine Physician1407392210

Verify Caroline Werner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R1F05    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 Missouri license search

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70% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

281 Medicare Part D claims for 95 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Caroline Werner281
  2. Specialty average165

Most prescribed

  1. Estradiol98 claims
  2. Medroxyprogesterone Acetate29 claims
  3. Yuvafem14 claims
  4. Estradiol-Norethindrone Acetat13 claims
  5. Terconazole11 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 one group practice

  1. Ssm Medical Group IncFlorissant, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Caroline Werner among 902 obstetrics & gynecology physician records in Missouri

Caroline Werner, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1984 · median 2007 among the 528 with a school on file
  • Record last updated2021 · 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 Florissant → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Hamid Hosseini, M.D.Florissant, MO 630311720180193
  2. Kristin Wheeler, M.D.Florissant, MO 630311407295314
  3. Michael Johnson, M.D.Saint Louis, MO 630331699702738
  4. Amanda Carroll, D.O.Festus, MO 630281396079208
  5. Dossu Chanduwadia, M.D.Festus, MO 630281790848950
  6. Amy Eichholz, M.D.Fenton, MO 630281386751030
  7. Catherine Hutz, MDFestus, MO 630281912261322
  8. Jacob Peyton, M.D.Festus, MO 630281912293010

Common questions

What is Caroline Werner, M.D.'s NPI number?

Caroline Werner, M.D.'s National Provider Identifier (NPI) is 1538151097, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Caroline Werner, M.D. located?

The NPPES record lists a practice address at 1120 Shackelford RD, Florissant, MO, 63031. Phone: (314) 921-4420. Providers update this record themselves, so call before visiting.

How can I verify Caroline Werner, M.D.'s license?

NPPES lists Missouri license number R1F05, 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 Caroline Werner, M.D. prescribe under Medicare Part D?

In 2024, Caroline Werner, M.D. had 281 Medicare Part D claims for 95 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.