Raina Lynne Armbruster, D.O.
Obstetrics & Gynecology Physician · Saint Louis, MO
Raina Lynne Armbruster, D.O. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1447665161, issued on Jun 23, 2014. Check the license on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Raina Lynne Armbruster
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 1447665161 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Clayton RD, Saint Louis, MO 63117
- Phone
- (314) 768-8000
- Enumerated
- Jun 23, 2014
- Record last updated
- May 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20220707000319); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2014
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 6420 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sana Afzal, MDInternal Medicine Physician1083579213
- Munir Ahmad, M.D.Nuclear Medicine Physician1356381438
- John Alexander, MDAnesthesiology Physician1477541100
- Kahee Amedi, MDHospitalist Physician1215382189
- Larisa Anokhin, CRNACertified Registered Nurse Anesthetist1023047131
- Monika Aplyn, M.D.Internal Medicine Physician1336195247
Verify Raina Lynne Armbruster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing ArtsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
175 Medicare Part D claims for 69 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Estradiol54 claims
- Nystatin17 claims
- Triamcinolone Acetonide15 claims
- Alendronate Sodium12 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: $13.33
1 payment: food and beverage; the largest payer was Astellas Pharma US 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
- Midwest Center For Women's Healthcare, LtdBreese, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raina Lynne Armbruster among 902 obstetrics & gynecology physician records in Missouri
Raina Lynne Armbruster, D.O. 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 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · 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).
332 obstetrics & gynecology physician records list a practice address in Saint Louis
They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 902 obstetrics & gynecology physician records in Missouri.
All 902 in Missouri → Every provider in Saint Louis → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Amy Bilyeu, MDSaint Louis, MO 631171316238041
- Robert Blaskiewicz, M.D.Saint Louis, MO 631171407880081
- Mary Holloran-Schwartz, M.D.Saint Louis, MO 631171184655474
- Cherie Lefevre, M.D.Saint Louis, MO 631171205867728
- Becky Lynn, MDSaint Louis, MO 631171326003559
- Leslie McCloskey, M.D.Saint Louis, MO 631171609800234
- Kelly Ott, M.D.Saint Louis, MO 631171275734261
- Jill Powell, M.D.Saint Louis, MO 631171932134053
Common questions
What is Raina Lynne Armbruster, D.O.'s NPI number?
Raina Lynne Armbruster, D.O.'s National Provider Identifier (NPI) is 1447665161, issued on Jun 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Raina Lynne Armbruster, D.O. located?
The NPPES record lists a practice address at 6420 Clayton RD, Saint Louis, MO, 63117. Phone: (314) 768-8000. Providers update this record themselves, so call before visiting.
How can I verify Raina Lynne Armbruster, D.O.'s license?
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 Raina Lynne Armbruster, D.O. prescribe under Medicare Part D?
In 2024, Raina Lynne Armbruster, D.O. had 175 Medicare Part D claims for 69 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.