NPPES file of Aug 9, 2026

James Dominic O'Brien, M.D.

Emergency Medicine Physician · Kansas City, MO

James Dominic O'Brien, M.D. is an emergency medicine physician with a practice address in Kansas City, Missouri, and NPI 1104359306, issued on Apr 5, 2017. Check the license (Missouri 2019011450, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104359306
Name
James Dominic O'Brien
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
2019011450 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 5, 2017
Record last updated
Jun 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190823000703); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2301 Holmes St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Abdelrahman Abaza, MBBCHStudent in an Organized Health Care Education/Training Program1194646968
  2. Ume Abbas, MDInfectious Disease Physician1790756179
  3. Asem Abdeljalil, M.D.Pulmonary Disease Physician1861410706
  4. Adebola AbogunrinStudent in an Organized Health Care Education/Training Program1316889165
  5. Islam AboumoussaStudent in an Organized Health Care Education/Training Program1790346518
  6. Melissa Abramovitz, FNP-BCFamily Nurse Practitioner1679170005

Verify James Dominic O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2019011450
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average emergency medicine physician in 2024

21 Medicare Part D claims for 17 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. James O'Brien21
  2. Specialty average226

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.

  1. Qualityout of 100 · 30% of the final score77.5
  2. Costout of 100 · 30%57.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $32.14

1 payment: food and beverage; the largest payer was Beckman Coulter, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James O'Brien$32.14
  2. Specialty average$953.79

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

  1. University Health PhysiciansKansas City, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Dominic O'Brien among 1,405 emergency medicine physician records in Missouri

James Dominic O'Brien, 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 updated2021 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Douglas Algren, MDKansas City, MO 641081063443232
  2. Stefanie Ellison, M.D.Kansas City, MO 641081053372904
  3. Steven Go, MDKansas City, MO 641081356303812
  4. Matthew Gratton, MDKansas City, MO 641081427010982
  5. Pholaphat Inboriboon, MDKansas City, MO 641081578673281
  6. Heather Isom, MDKansas City, MO 641081063416949
  7. Ryan Jacobsen, M.D.Kansas City, MO 641081922042340
  8. William Kruse, M.D.Kansas City, MO 641081851329908

Common questions

What is James Dominic O'Brien, M.D.'s NPI number?

James Dominic O'Brien, M.D.'s National Provider Identifier (NPI) is 1104359306, issued on Apr 5, 2017. An NPI identifies a provider in billing; it is not a license.

Where is James Dominic O'Brien, 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 James Dominic O'Brien, M.D.'s license?

NPPES lists Missouri license number 2019011450, 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 James Dominic O'Brien, M.D. prescribe under Medicare Part D?

In 2024, James Dominic O'Brien, M.D. had 21 Medicare Part D claims for 17 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is James Dominic O'Brien, 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.