YAIR YONATAN KEILSON MD
NPI 1861601197
Internal Medicine - Hematology & Oncology in Brooklyn, NY

Q: What is Yair Keilson's NPI number?

The NPI number for Yair Keilson is 1861601197. It was assigned to this individual provider in the NPPES registry on May 22, 2007.

Q: What is Yair Keilson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Yair Keilson was last updated on March 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.

Active since May 22, 2007PECOS EnrolledAccepts Medicare Assignment

84.47/100

CMS Quality Rating

902 QUENTIN RD, BROOKLYN, NY 11223(917) 736-9740 Get Directions Write a Review

NPPES record last updated: March 23, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Yair Yonatan Keilson Md NPPES

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

YAIR YONATAN KEILSON MD (NPI 1861601197) is an individual hematology & oncology provider in Brooklyn, New York, licensed in New York (242397) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of State University Of New York Downstate Medical Center (2005).

NPPES Registry Identity

NPI1861601197

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameYAIR YONATAN KEILSONCredential: MD

Location Address902 QUENTIN RDBrooklyn, NY 11223-2214

Mailing Address200 Boundary Ave, Suite 200Massapequa, NY 11758-1152 · (516) 755-2404

Phone(917) 736-9740

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 2005

Enumeration DateMay 22, 2007

Last NPPES UpdateMarch 23, 2023

NPPES CertifiedMarch 23, 2023

✔ NPI 1861601197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in NY · 242397

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

902 QUENTIN RD, Brooklyn, NY 11223

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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

Yair Yonatan Keilson Md 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 ID5395899215

PECOS Enrollment IDI20090812000154

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 10

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.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

948 services351 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

619 services247 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

231 services142 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

206 services66 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

74 services74 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

47 services47 patients

Hospital Affiliations CMS Care Compare 4

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

St Francis Hospital - The Heart Center

Acute Care Hospitals · Roslyn, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330182

Location100 Port Washington BoulevardRoslyn, NY 11576 · Nassau County

Emergency services

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330195

Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County

Emergency services Birthing friendly

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330214

Location550 First AvenueNew York, NY 10016 · New York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11223 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

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.

84.47/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

93.33

Promoting Interoperability

100

Improvement Activities

Cost

54.91

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHEILA MICHELLE PIERRE RPH, MPH, BCOP

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)