Roger Charles Merk, MD
Emergency Medicine Physician · Springfield, MO
Roger Charles Merk, MD is an emergency medicine physician with a practice address in Springfield, Missouri, and NPI 1841218666, issued on Jul 18, 2006. Check the license (Missouri 2006019884, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Roger Charles Merk
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 2006019884 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1235 E Cherokee St, Springfield, MO 65804
- Phone
- (417) 820-2000
- Enumerated
- Jul 18, 2006
- Record last updated
- Jul 17, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 207002106 MO
- Medicare enrollment
- Enrolled (PECOS I20050916000248); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 1235 E Cherokee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roger Charles Merk 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 2006019884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
700 Medicare Part D claims for 407 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 84 claims were for opioids.
Most prescribed
- Tizanidine Hcl77 claims
- Naproxen59 claims
- Hydrocodone-Acetaminophen57 claims
- Ondansetron Odt51 claims
- Cephalexin39 claims
- Prednisone37 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.
2 hospital affiliations
- Mymichigan Medical Center MidlandMidland, MI · Acute Care Hospitals4 of 5 stars
- Mymichigan Medical Center ClareClare, MI · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Roger Charles Merk among 1,405 emergency medicine physician records in Missouri
Roger Charles Merk, MD is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2012 among the 808 with a school on file
- Record last updated2007 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
120 emergency medicine physician records list a practice address in Springfield
They are 120 of the 6,403 NPPES records with a practice address in Springfield, and 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Springfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jeremy Baird, DOSpringfield, MO 658041609823467
- Michael Barker, M.D.Springfield, MO 658041598789869
- Keith Butvilas, DOSpringfield, MO 658041427021559
- Anthony Cauchi, MDSpringfield, MO 658041235168451
- John Davis, MDSpringfield, MO 658041699794305
- Amanda Dinsmore, MDSpringfield, MO 658041063525251
- Mary Kurz, MDSpringfield, MO 658041760595672
- Ted McMurry, MDSpringfield, MO 658041437265139
Common questions
What is Roger Charles Merk, MD's NPI number?
Roger Charles Merk, MD's National Provider Identifier (NPI) is 1841218666, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger Charles Merk, MD located?
The NPPES record lists a practice address at 1235 E Cherokee St, Springfield, MO, 65804. Phone: (417) 820-2000. Providers update this record themselves, so call before visiting.
How can I verify Roger Charles Merk, MD's license?
NPPES lists Missouri license number 2006019884, 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 Roger Charles Merk, MD prescribe under Medicare Part D?
In 2024, Roger Charles Merk, MD had 700 Medicare Part D claims for 407 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.