Mark Kreimer, DO
Emergency Medicine Physician · Brooklyn, NY
Mark Kreimer, DO is an emergency medicine physician with a practice address in Brooklyn, New York, and NPI 1255735221, issued on Oct 20, 2014. Check the license (New York 288572, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Kreimer
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 288572 NY
OS17564 FL
Self-reported in NPPES; status is on the state search - Practice location
- Nyp: Brooklyn Methodist Hospital Department OF EM, Brooklyn, NY 11215
- Phone
- (718) 780-5040
- Enumerated
- Oct 20, 2014
- Record last updated
- Oct 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20170814000659); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Verify Mark Kreimer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 288572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average emergency medicine physician in 2024
110 Medicare Part D claims for 65 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil20 claims
- Azithromycin19 claims
- Methylprednisolone15 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): 100 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: $19.86
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 5 group practices
- Dobbs Ferry Emergency Medicine, PCDobbs Ferry, NY
- Emed LLPBoca Raton, FL
- North Shore-Lij Medical PCNew York, NY
- Paragon Contracting Services LLCHialeah, FL
- Physicians Medical Associates New York PCSuffern, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Kreimer among 5,025 emergency medicine physician records in New York
Mark Kreimer, DO is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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 59% of them.
- NPI issued2014 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2013 among the 3,232 with a school on file
- Record last updated2025 · 55% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
719 emergency medicine physician records list a practice address in Brooklyn
They are 719 of the 64,057 NPPES records with a practice address in Brooklyn, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Brooklyn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Birkhahn, MDBrooklyn, NY 112151366497455
- Joseph Bove, MDBrooklyn, NY 112151679528624
- Michael Cabezon, MDBrooklyn, NY 112151306893367
- Mahmoud Eid, MDBrooklyn, NY 112151508968561
- Theodore Gaeta, DOBrooklyn, NY 112151932142213
- Amy Lazarides, MDBrooklyn, NY 112151538116546
- Paul Leo, MDBrooklyn, NY 112151740226422
- Olivia Lopez, MDBrooklyn, NY 112151780624866
Common questions
What is Mark Kreimer, DO's NPI number?
Mark Kreimer, DO's National Provider Identifier (NPI) is 1255735221, issued on Oct 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mark Kreimer, DO located?
The NPPES record lists a practice address at Nyp: Brooklyn Methodist Hospital Department OF EM, Brooklyn, NY, 11215. Phone: (718) 780-5040. Providers update this record themselves, so call before visiting.
How can I verify Mark Kreimer, DO's license?
NPPES lists New York license number 288572, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Kreimer, DO prescribe under Medicare Part D?
In 2024, Mark Kreimer, DO had 110 Medicare Part D claims for 65 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mark Kreimer, DO's MIPS final score?
The 2023 MIPS final score is 100 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.