1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Emergency Medicine
  6. NPI Profile

DR. MARK KREIMER DO
NPI 1255735221
Emergency Medicine in Brooklyn, NY

Active since October 20, 2014PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
NYP: BROOKLYN METHODIST HOSPITAL DEPARTMENT OF EM, 506 6TH STREET, BROOKLYN, NY 11215(718) 780-5040 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 10, 2017, Jun 2, 2017 (2 updates tracked since 2017).

About Dr. Mark Kreimer Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK KREIMER DO (NPI 1255735221) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (288572) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS, is affiliated with Boca Raton Regional Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2014).

NPPES Registry Identity

NPI1255735221
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARK KREIMERCredential: DO
Location AddressNYP: BROOKLYN METHODIST HOSPITAL DEPARTMENT OF EM, 506 6TH STREETBrooklyn, NY 11215
Mailing Address506 6th Street, New York Presbyterian Brooklyn Methodist HospitalBrooklyn, NY 11215 · (718) 780-5040
Phone(718) 780-5040
Sole ProprietorYes
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2014
Enumeration DateOctober 20, 2014
Last NPPES UpdateOctober 28, 20252 updates tracked since enumeration
NPPES CertifiedOctober 28, 2025
✔ NPI 1255735221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in NY · 288572✔ Licensed in FL · OS17564
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
NYP: BROOKLYN METHODIST HOSPITAL DEPARTMENT OF EM, Brooklyn, NY 11215
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Mark Kreimer D.o.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Kreimer Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789955568
PECOS Enrollment IDI20170814000659, I20220509002235
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
287 services278 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
82 services81 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
53 services53 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
26 services25 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boca Raton Regional Hospital

Acute Care Hospitals · Boca Raton, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100168
Location800 Meadows RdBoca Raton, FL 33486 · Palm Beach County
Emergency services Birthing friendly

Steward Palmetto General Hospital

Acute Care Hospitals · Hialeah, FL
1/5 CMS rating
OwnershipProprietary
CMS Certification Number100187
Location2001 W 68th StHialeah, FL 33016 · Miami-Dade County
Emergency services Birthing friendly

Lenox Hill Hospital

Acute Care Hospitals · New York, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330119
Location100 East 77th StreetNew York, NY 10021 · New York County
Emergency services Birthing friendly

St John's Riverside Hospital

Acute Care Hospitals · Yonkers, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330208
Location976 North BroadwayYonkers, NY 10701 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality92.27
Improvement Activities40

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Kreimer's NPI number?

The NPI number for Mark Kreimer is 1255735221. It was assigned to this individual provider in the NPPES registry on October 20, 2014. The provider is also known as Dr. Mark Kreimer D.O..

Where is Mark Kreimer located?

Mark Kreimer practices at Nyp: Brooklyn Methodist Hospital Department Of Em 506 6th Street, Brooklyn, NY 11215. The listed phone number is (718) 780-5040.

What is Mark Kreimer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mark Kreimer enrolled in Medicare?

Yes. Mark Kreimer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mark Kreimer affiliated with any hospitals?

According to CMS data, Mark Kreimer is affiliated with Boca Raton Regional Hospital, Steward Palmetto General Hospital, Lenox Hill Hospital and St John's Riverside Hospital.

When was this NPI record last updated?

The NPPES record for Mark Kreimer was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.