Caron Elizabeth Rigden, MD
Medical Oncology Physician · Saint Peters, MO
Caron Elizabeth Rigden, MD is a medical oncology physician with a practice address in Saint Peters, Missouri, and NPI 1407903826, issued on Jan 5, 2007. Check the license (Missouri 2004016903, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Caron Elizabeth Rigden
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 2004016903 MO
Self-reported in NPPES; status is on the state search - Practice location
- 150 Entrance Way, Saint Peters, MO 63376
- Phone
- (800) 647-2098
- Enumerated
- Jan 5, 2007
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-3192
- Medicaid ID
- 204590202 MO
- Medicare enrollment
- Enrolled (PECOS I20070530000045); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 156 in Missouri → Look up another NPI →
Also registered at 150 Entrance Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Abaricia, FNPNurse Practitioner1447709365
- Laura Benack, NPAdult Health Nurse Practitioner1053698969
- Joseph Buse, PHARMDOncology Pharmacist1669222857
- Ashley Frith, MDMedical Oncology Physician1730352014
- Lannis Hall, MDRadiation Oncology Physician1558472514
- Scott Kloeppel, FNPFamily Nurse Practitioner1366989592
Verify Caron Elizabeth Rigden 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 2004016903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average medical oncology physician in 2024
1,678 Medicare Part D claims for 251 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 137 claims were for opioids.
Most prescribed
- Letrozole246 claims
- Gabapentin115 claims
- Prednisone84 claims
- Prochlorperazine Maleate68 claims
- Eliquis64 claims
- Ondansetron Hcl61 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).
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caron Elizabeth Rigden among 156 medical oncology physician records in Missouri
Caron Elizabeth Rigden, MD is one of 156 medical oncology physician records with a practice address in Missouri. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 45% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2000 · median 2003 among the 127 with a school on file
- Record last updated2025 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Missouri
There are 156 medical oncology physician records in Missouri.
All 156 in Missouri → Every provider in Saint Peters → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Ashley Frith, MDSaint Peters, MO 633761730352014
- Tanya Wildes, MDSaint Peters, MO 633761659592152
- James Beattie, DOTroy, MO 633791508829177
- Somasekhar Bandi, M.D.Saint Louis, MO 631411922034321
- Omar Butt, MDSaint Louis, MO 631411750731337
- Patrick Grierson, MDSaint Louis, MO 631411720492192
- Kavitha Kosuri, D.O.Saint Louis, MO 631411215981766
- Kian Lim, MDSaint Louis, MO 631411851597108
Common questions
What is Caron Elizabeth Rigden, MD's NPI number?
Caron Elizabeth Rigden, MD's National Provider Identifier (NPI) is 1407903826, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Caron Elizabeth Rigden, MD located?
The NPPES record lists a practice address at 150 Entrance Way, Saint Peters, MO, 63376. Phone: (800) 647-2098. Providers update this record themselves, so call before visiting.
How can I verify Caron Elizabeth Rigden, MD's license?
NPPES lists Missouri license number 2004016903, 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 Caron Elizabeth Rigden, MD prescribe under Medicare Part D?
In 2024, Caron Elizabeth Rigden, MD had 1,678 Medicare Part D claims for 251 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Caron Elizabeth Rigden, MD'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.