Sean Joseph Mark, M.D.
Emergency Medicine Physician · Kansas City, MO
Sean Joseph Mark, M.D. is an emergency medicine physician with a practice address in Kansas City, Missouri, and NPI 1891229407, issued on Apr 20, 2017. Check the license (Missouri 2019009733, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Sean Joseph Mark
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 2019009733 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2301 Holmes St, Kansas City, MO 64108
- Phone
- (816) 404-4175
- Enumerated
- Apr 20, 2017
- Record last updated
- May 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (816) 404-0003
- Medicare enrollment
- Enrolled (PECOS I20190719001982); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 2301 Holmes St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melissa Abramovitz, FNP-BCFamily Nurse Practitioner1679170005
Verify Sean Joseph Mark 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 2019009733Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medicine physician in 2024
145 Medicare Part D claims for 94 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 claims
- Cephalexin15 claims
- Ondansetron Odt12 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): 86.9 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
- University Health PhysiciansKansas City, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Joseph Mark among 1,405 emergency medicine physician records in Missouri
Sean Joseph Mark, M.D. 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 2017, is newer than 72% of them.
- NPI issued2017 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2012 among the 808 with a school on file
- Record last updated2019 · 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).
158 emergency medicine physician records list a practice address in Kansas City
They are 158 of the 13,759 NPPES records with a practice address in Kansas City, and 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Kansas City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Douglas Algren, MDKansas City, MO 641081063443232
- Stefanie Ellison, M.D.Kansas City, MO 641081053372904
- Steven Go, MDKansas City, MO 641081356303812
- Matthew Gratton, MDKansas City, MO 641081427010982
- Pholaphat Inboriboon, MDKansas City, MO 641081578673281
- Heather Isom, MDKansas City, MO 641081063416949
- Ryan Jacobsen, M.D.Kansas City, MO 641081922042340
- William Kruse, M.D.Kansas City, MO 641081851329908
Common questions
What is Sean Joseph Mark, M.D.'s NPI number?
Sean Joseph Mark, M.D.'s National Provider Identifier (NPI) is 1891229407, issued on Apr 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sean Joseph Mark, M.D. located?
The NPPES record lists a practice address at 2301 Holmes St, Kansas City, MO, 64108. Phone: (816) 404-4175. Providers update this record themselves, so call before visiting.
How can I verify Sean Joseph Mark, M.D.'s license?
NPPES lists Missouri license number 2019009733, 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 Sean Joseph Mark, M.D. prescribe under Medicare Part D?
In 2024, Sean Joseph Mark, M.D. had 145 Medicare Part D claims for 94 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Sean Joseph Mark, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.9 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.