BRIAN FLAHERTY MD
NPI 1083666846
Internal Medicine - Hematology & Oncology in Brooklyn, NY

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
9920 4TH AVE, BROOKLYN, NY 11209(718) 921-1672 Get Directions Write a Review

NPPES record last updated: March 30, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Brian Flaherty Md NPPES

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

BRIAN FLAHERTY MD (NPI 1083666846) is an individual hematology & oncology provider in Brooklyn, New York, licensed in New York (175318) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1083666846
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameBRIAN FLAHERTYCredential: MD
Location Address9920 4TH AVEBrooklyn, NY 11209-8333
Mailing Address9920 4th AveBrooklyn, NY 11209-8333 · (718) 921-1672
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateMay 17, 2006
Last NPPES UpdateMarch 30, 2021
NPPES CertifiedMarch 30, 2021
NPI 1083666846 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 · 175318
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.

9920 4TH AVE, Brooklyn, NY 11209

Other Identifiers 1

Medicaid01780689NY

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

Brian Flaherty 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 ID6406982057
PECOS Enrollment IDI20100428000334
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 4

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.
609 services337 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.
574 services329 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.
181 services26 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.
58 services58 patients

Hospital Affiliations CMS Care Compare

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

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 11209 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
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

Other Providers at the Same Location NPPES 20

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

Internal Medicine
9920 4TH AVE, SUITE 206
BROOKLYN, NY 11209
Psychologist (Clinical Child & Adolescent)
9920 4TH AVE
BROOKLYN, NY 11209
Pharmacy (Community/Retail Pharmacy)
9920 4TH AVE
BROOKLYN, NY 11209
Specialist
9920 4TH AVE, SIUTE #205
BROOKLYN, NY 11209
Physical Therapist
9920 4TH AVE
BROOKLYN, NY 11209
Specialist
9920 4TH AVE
BROOKLYN, NY 11209
Surgery
9920 4TH AVE, SUITE 210, NARROWS MEDICAL BUILDING
BROOKLYN, NY 11209
Physical Therapist
9920 4TH AVE
BROOKLYN, NY 11209

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 Brian Flaherty's NPI number?

The NPI number for Brian Flaherty is 1083666846. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Brian Flaherty located?

Brian Flaherty practices at 9920 4th Ave, Brooklyn, NY 11209. The listed phone number is (718) 921-1672.

What is Brian Flaherty's specialty?

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

Is Brian Flaherty enrolled in Medicare?

Yes. Brian Flaherty 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 Brian Flaherty affiliated with any hospitals?

According to CMS data, Brian Flaherty is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Brian Flaherty was last updated on March 30, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.