Gregory M. Decker, MD
Physical Medicine & Rehabilitation Physician · Chesterfield, MO
Gregory M. Decker, MD is a physical medicine & rehabilitation physician with a practice address in Chesterfield, Missouri, and NPI 1437564614, issued on Jun 25, 2014. Check the license (Missouri 2019017094, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gregory M. Decker
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 2019017094 MO
Self-reported in NPPES; status is on the state search - Practice location
- 14532 S Outer 40 RD, Chesterfield, MO 63017
- Phone
- (314) 514-3500
- Enumerated
- Jun 25, 2014
- Record last updated
- Apr 17, 2025
- Fax
- (314) 878-7678
- Medicaid ID
- 200070778 MO
- Medicare enrollment
- Enrolled (PECOS I20190905001820); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 282 in Missouri → Look up another NPI →
Also registered at 14532 S Outer 40 RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacy Baker, OTOccupational Therapist1760711345
- Haskel Buford, MPH, LAT, ATCAthletic Trainer1598235210
- Kimberlee Coppelli, PAPhysician Assistant1538613336
- Sarah Fench, OTOccupational Therapist1457900193
- Kymberly Gomez, PAPhysician Assistant1225068851
- Mark Halstead, MDPediatric Sports Medicine Physician1598783227
Verify Gregory M. Decker 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 2019017094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
761 Medicare Part D claims for 241 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 137 claims were for opioids.
Most prescribed
- Gabapentin192 claims
- Meloxicam154 claims
- Pregabalin102 claims
- Hydrocodone-Acetaminophen96 claims
- Methylprednisolone42 claims
- Cyclobenzaprine Hcl30 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).
Industry payments in 2024: $1,405.32
9 payments; by number, the most common kind was travel and lodging; the largest payer was Boston Scientific Corporation. The 3,895 providers of this specialty with any payment received $1,237.86 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
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory M. Decker among 282 physical medicine & rehabilitation physician records in Missouri
Gregory M. Decker, MD is one of 282 physical medicine & rehabilitation physician records with a practice address in Missouri. 62% 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 56% of them.
- NPI issued2014 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2014 · median 2008 among the 145 with a school on file
- Record last updated2025 · 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 208100000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Missouri
There are 282 physical medicine & rehabilitation physician records in Missouri.
All 282 in Missouri → Every provider in Chesterfield → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Spencer Cotterell, DOChesterfield, MO 630171104182831
- Catherine Doty, MDChesterfield, MO 630171174504161
- Ronald Fischer, M.D.Chesterfield, MO 630171508896077
- Katherine Herzog, M.D.Chesterfield, MO 630171356504385
- Patricia Hurford, M.D.Chesterfield, MO 630171083602999
- Adam La Bore, MDChesterfield, MO 630171720004955
- Hannah Ricklefs, PT, DPTChesterfield, MO 630171851140925
- Manish Suthar, MDChesterfield, MO 630171326123100
Common questions
What is Gregory M. Decker, MD's NPI number?
Gregory M. Decker, MD's National Provider Identifier (NPI) is 1437564614, issued on Jun 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gregory M. Decker, MD located?
The NPPES record lists a practice address at 14532 S Outer 40 RD, Chesterfield, MO, 63017. Phone: (314) 514-3500. Providers update this record themselves, so call before visiting.
How can I verify Gregory M. Decker, MD's license?
NPPES lists Missouri license number 2019017094, 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 Gregory M. Decker, MD prescribe under Medicare Part D?
In 2024, Gregory M. Decker, MD had 761 Medicare Part D claims for 241 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Gregory M. Decker, 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.