Charles S. Grimshaw, M.D.
Orthopaedic Surgery Physician · Saint Louis, MO
Charles S. Grimshaw, M.D. is an orthopaedic surgery physician with a practice address in Saint Louis, Missouri, and NPI 1851590673, issued on Jul 12, 2007. Check the license (Missouri 2013003539, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Charles S. Grimshaw
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 2013003539 MO
P5073 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11125 Dunn RD Ste 301, Saint Louis, MO 63136
- Phone
- (314) 953-8250
- Enumerated
- Jul 12, 2007
- Record last updated
- Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140731002914); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 514 in Missouri → Look up another NPI →
Also registered at 11125 Dunn RD Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Belew, MDOrthopaedic Surgery Physician1730112996
- Payton Bodden, PA-CPhysician Assistant1891658522
- Zachary Burnett, MDStudent in an Organized Health Care Education/Training Program1871097568
- Aliasgar Dalal, M.D.Orthopaedic Surgery Physician1831333905
- Skylar GodardPhysician Assistant1073491635
- Jessica Halloran, PA-CPhysician Assistant1922585488
Verify Charles S. Grimshaw 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 2013003539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
485 Medicare Part D claims for 152 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 328 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen204 claims
- Meloxicam88 claims
- Hydrocodone-Acetaminophen53 claims
- Oxycodone Hcl51 claims
- Gabapentin13 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: $65.27
3 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 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 2 group practices
- Elite Physical Therapy OF Creve Coeur LLCCreve Coeur, MO
- Orthopedic Center OF St Louis Img LLCChesterfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles S. Grimshaw among 514 orthopaedic surgery physician records in Missouri
Charles S. Grimshaw, M.D. is one of 514 orthopaedic surgery physician records with a practice address in Missouri. 77% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2006 among the 302 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Missouri
There are 514 orthopaedic surgery physician records in Missouri.
All 514 in Missouri → Every provider in Saint Louis → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Mark Belew, MDSaint Louis, MO 631361730112996
- Aliasgar Dalal, M.D.Saint Louis, MO 631361831333905
- Patrick Moen, MDSaint Louis, MO 631361063893220
- Ravindra Shitut, M.D.Saint Louis, MO 631361811946783
- Jacques Van Ryn, MDSaint Louis, MO 631361124091541
- John Weltmer, M.D.Saint Louis, MO 631361720038052
- Donald Bassman, MDSaint Louis, MO 631411235124736
- Jason Browdy, M.D.Creve Coeur, MO 631411134120447
Common questions
What is Charles S. Grimshaw, M.D.'s NPI number?
Charles S. Grimshaw, M.D.'s National Provider Identifier (NPI) is 1851590673, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles S. Grimshaw, M.D. located?
The NPPES record lists a practice address at 11125 Dunn RD Ste 301, Saint Louis, MO, 63136. Phone: (314) 953-8250. Providers update this record themselves, so call before visiting.
How can I verify Charles S. Grimshaw, M.D.'s license?
NPPES lists Missouri license number 2013003539, 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 Charles S. Grimshaw, M.D. prescribe under Medicare Part D?
In 2024, Charles S. Grimshaw, M.D. had 485 Medicare Part D claims for 152 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.