Active NPI
Mark Kreimer, DO
- Emergency Medicine Physician
- Brooklyn, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 288572
- Practice address
- Nyp: Brooklyn Methodist Hospital Department of Em
506 6TH Street
Brooklyn, NY 11215 - Phone
- (718) 780-5040
- NPI assigned
- Oct 20, 2014
- Last updated
- Oct 28, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 288572 | NY | Primary |
| Emergency Medicine Physician | 207P00000X | OS17564 | FL |
Addresses
Primary practice location
Nyp: Brooklyn Methodist Hospital Department of Em
506 6TH Street
Brooklyn, NY 11215
Mailing address
506 6TH Street
New York Presbyterian Brooklyn Methodist Hospital
Brooklyn, NY 11215
Phone (718) 780-5040
Other names 1
- Dr. Mark Kreimer
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, NJ, FL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- New York College of Osteo Medicine of New York Institute of Technology, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
128 Ashford Ave
Dobbs Ferry, NY 10522-1924
Phone (914) 964-4370
2001 W 66TH St
Hialeah, FL 33016-1801
Phone (305) 364-2100
255 Lafayette Ave
Suffern, NY 10901-4812
Phone (845) 368-5000
401 E 55TH St
New York, NY 10022-4103
Phone (212) 593-9800
800 Meadows Rd
Boca Raton, FL 33486-2304
Phone (561) 395-7100
Hospital & facility affiliations
- Boca Raton Regional Hospital
- Lenox Hill Hospital
- St John's Riverside Hospital
- Palmetto General Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.07 of 100
- Quality
- 79.77
- Promoting interoperability
- 88.77
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OS17564 | FL | MD | Emergency Medicine Physician |
| 288572 | NY | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Symphony Medical PC | Current | Accepting new patients | |
| E-Med LLP | Current | Accepting new patients | |
| Symphony Medical PC | Current | Accepting new patients | |
| North Shore-Lij Medical PC | Emergency Medicine | Current | Accepting new patients |
| Physicians Medical Associates New York PC | Emergency Medicine | Current | Accepting new patients |
| Kings Physician Services, PC | Current | Accepting new patients | |
| Paragon Contracting Services LLC | Emergency Medicine | Current | Accepting new patients |
| Halifax Healthcare Systems Inc | Emergency Medicine | Current | Accepting new patients |
| Josef Schenker MD PC | Current | Accepting new patients | |
| Kings Physician Services, PC | Emergency Medicine | Current | Accepting new patients |
| Dobbs Ferry Emergency Medicine, PC | Emergency Medicine | Current | Accepting new patients |
| Physicians Medical Associates New York PC | Emergency Medicine | Current | Accepting new patients |
| Symphony Medical PC | Current | Accepting new patients | |
| Rwjbh Observation Associates LLC | Emergency Medicine | Current | Accepting new patients |
| Emergency Physicians of Englewood, PC | Emergency Medicine | Current | Accepting new patients |
| Rwjbh Emergency Medicine Associates, LLC | Emergency Medicine | Current | Accepting new patients |
Locations
2100 Powell St
Ste 400
Emeryville, CA 94608
Phone (510) 350-2638
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
10125 Glades Rd
Boca Raton, FL 33498
Phone (561) 309-7815
800 Meadows Rd
Boca Raton, FL 33486
Phone (561) 395-7100
303 N Clyde Morris Blvd
Daytona Beach, FL 32114
Phone (386) 425-2285
651 E 25th St
Hialeah, FL 33013
Phone (305) 835-4370
2001 W 68th St
Miami Lakes, FL 33016
Phone (305) 364-2151
225 Williamson St
Elizabeth, NJ 07202
Phone (908) 994-5204
350 Engle St
Englewood, NJ 07631
Phone (201) 871-6073
600 River Ave
Lakewood, NJ 08701
Phone (732) 363-1900
94 Old Short Hills Rd
Livingston, NJ 07039
Phone (973) 322-5400
110 Rehill Ave
Somerville, NJ 08876
Phone (908) 429-5833
1 Hamilton Health Pl
Trenton, NJ 08690
Phone (609) 584-6763
4426 18th Ave
Brooklyn, NY 11204
Phone (718) 635-9700
506 6th St
Brooklyn, NY 11215
Phone (718) 780-3279
506 6th St
Ste B
Brooklyn, NY 11215
Phone (718) 780-3677
128 Ashford Ave
Dobbs Ferry, NY 10522
Phone (914) 245-8936
300 Community Dr
Manhasset, NY 11030
6122 Fresh Pond Rd
Middle Vlg, NY 11379
Phone (718) 502-3000
100 E 77th St
New York, NY 10075
Phone (212) 434-2606
401 E 55th St
New York, NY 10022
Phone (212) 390-1020
241 North Rd
Poughkeepsie, NY 12601
Phone (845) 431-8889
1 Edgewater St
Fl 6
Staten Island, NY 10305
Phone (718) 226-1047
255 Lafayette Ave
Suffern, NY 10901
Phone (845) 357-7830
967 N Broadway
Yonkers, NY 10701
Phone (914) 798-8956
Networks
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H3359
Interoperability endpoints
- https://api.platform.athenahealth.com/23390/brand/1/csg/1/fhir/r4
- mkreimer65203@northwell.direct-ci.com
Organizations & group practices 16
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Emergency Medicine Physician
- Dobbs Ferry, NY
- NPI 1457381477
-
dba NHPP Cardiology at Great Neck
- Urology Physician
- Great Neck, NY
- NPI 1053688572
Emergency Medicine
-
- Emergency Medicine Physician
- Syracuse, NY
- NPI 1073386421
-
- Emergency Medical Services (Emergency Medicine) Physician
- Boca Raton, FL
- NPI 1043206212
-
dba Centers Urgent Care
- Internal Medicine Physician
- Middle Village, NY
- NPI 1275936932
-
- Diagnostic Radiology Physician
- Brooklyn, NY
- NPI 1083045090
-
- Hospitalist Physician
- Dobbs Ferry, NY
- NPI 1659787653
-
- Emergency Medicine Physician
- Englewood, NJ
- NPI 1891046264
-
dba HHCSI Halifax Family Health Center
- Family Medicine Physician
- Daytona Beach, FL
- NPI 1245283530
Emergency Medicine
-
- Emergency Medicine Physician
- Somerset, NJ
- NPI 1912510041
-
- Emergency Medicine Physician
- Livingston, NJ
- NPI 1760095806
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New York, NY
- NPI 1477616571
-
- General Acute Care Hospital
- Yonkers, NY
- NPI 1578526695
-
- General Acute Care Hospital
- Boca Raton, FL
- NPI 1902826779
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1413763200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761609600000",
"number": "1255735221",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "506 6TH STREET",
"address_2": "NEW YORK PRESBYTERIAN BROOKLYN METHODIST HOSPITAL",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "11215",
"telephone_number": "718-780-5040"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "NYP: BROOKLYN METHODIST HOSPITAL DEPARTMENT OF EM",
"address_2": "506 6TH STREET",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "11215",
"telephone_number": "718-780-5040"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KREIMER",
"first_name": "MARK",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2014-10-20",
"last_updated": "2025-10-28",
"certification_date": "2025-10-28",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "NY",
"license": "288572",
"primary": true
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "FL",
"license": "OS17564",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MARK",
"last_name": "KREIMER",
"prefix": "DR.",
"credential": "D.O.",
"code": "2",
"type": "Professional Name"
}
]
}
Other providers in Brooklyn, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.