Christopher S. Cronin, M.D.
Surgery Physician · Chesterfield, MO
Christopher S. Cronin, M.D. is a surgery physician with a practice address in Chesterfield, Missouri, and NPI 1043204597, issued on Sep 9, 2005. Check the license (Missouri 11129, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Christopher S. Cronin
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 11129 MO
Self-reported in NPPES; status is on the state search - Practice location
- 226 S Woods Mill RD, Chesterfield, MO 63017
- Phone
- (314) 434-1211
- Enumerated
- Sep 9, 2005
- Record last updated
- Feb 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (314) 434-4419
- Medicaid ID
- 208582825 MO
- Medicare enrollment
- Enrolled (PECOS I20100716000130); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 714 in Missouri → Look up another NPI →
Also registered at 226 S Woods Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Buse, M.D.Gastroenterology Physician1114993664
- Michael Cleary, M.D.Gastroenterology Physician1124098546
- Christie Cohoon, MPT,DPTPhysical Therapist1821295429
- Kelly Constable, M.S.Audiologist1447395249
Verify Christopher S. Cronin 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 11129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% more Medicare Part D claims than the average surgery physician in 2024
293 Medicare Part D claims for 198 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 179 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen130 claims
- Cephalexin61 claims
- Tramadol Hcl43 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $284.36
9 payments; by number, the most common kind was food and beverage; the largest payer was Endologix LLC. The 17,103 providers of this specialty with any payment received $3,513.80 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
- St Lukes Medical GroupChesterfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher S. Cronin among 714 surgery physician records in Missouri
Christopher S. Cronin, M.D. is one of 714 surgery physician records with a practice address in Missouri. 78% 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 · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1989 · median 2006 among the 410 with a school on file
- Record last updated2015 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Missouri
There are 714 surgery physician records in Missouri.
All 714 in Missouri → Every provider in Chesterfield → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Harry Cole, M.D.Chesterfield, MO 630171790749968
- Ruth Decker, MDChesterfield, MO 630171538145552
- Mari Anne Fahrner, M.D.Chesterfield, MO 630171700870292
- Robert Heim, M.D.Chesterfield, MO 630171780648956
- Diana Jiang, MDChesterfield, MO 630171639673833
- John Mason, M.D.Chesterfield, MO 630171275528580
- Thomas Niesen, M.D.Chesterfield, MO 630171700870250
- Nanette Wendel, M.D.Chesterfield, MO 630171841289741
Common questions
What is Christopher S. Cronin, M.D.'s NPI number?
Christopher S. Cronin, M.D.'s National Provider Identifier (NPI) is 1043204597, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher S. Cronin, M.D. located?
The NPPES record lists a practice address at 226 S Woods Mill RD, Chesterfield, MO, 63017. Phone: (314) 434-1211. Providers update this record themselves, so call before visiting.
How can I verify Christopher S. Cronin, M.D.'s license?
NPPES lists Missouri license number 11129, 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 Christopher S. Cronin, M.D. prescribe under Medicare Part D?
In 2024, Christopher S. Cronin, M.D. had 293 Medicare Part D claims for 198 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Christopher S. Cronin, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.