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DR. BORIS AVEZBAKIYEV MD
NPI 1396794921
Internal Medicine - Hematology & Oncology in Brooklyn, NY

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment
1335 LINDEN BLVD, BROOKLYN, NY 11212(718) 240-5100 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 28, 2026, Jun 11, 2025 (2 updates tracked since 2025).

About Dr. Boris Avezbakiyev Md NPPES

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

DR. BORIS AVEZBAKIYEV MD (NPI 1396794921) is an individual hematology & oncology provider in Brooklyn, New York, licensed in New York (229213) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Brookdale Hospital Medical Center, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1396794921
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. BORIS AVEZBAKIYEVCredential: MD
Location Address1335 LINDEN BLVDBrooklyn, NY 11212-4751
Mailing Address1 Brookdale Plz Ste 666Brooklyn, NY 11212-3198 · (718) 240-7143
Phone(718) 240-5100
Sole ProprietorYes
Medical School CMSOtherGraduated 1991
Enumeration DateMay 10, 2006
Last NPPES UpdateMay 28, 20262 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1396794921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NY · 229213
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 229213 (NY)
1335 LINDEN BLVD, Brooklyn, NY 11212
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Other Identifiers 1

Medicaid02495729NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Boris Avezbakiyev 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 ID8224929849
PECOS Enrollment IDI20040511001184
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Boris Avezbakiyev reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kingsbrook Medical Associates, PC
1.3 mi
Multi-Specialty
585 SCHENECTADY AVE
Brooklyn, NY 11203
  • Reassigned Medicare billing, New York enrollment
  • 192 clinicians in this Medicare group
NPI 1104112838 (718) 604-5532
Brookdale Hospital Medical Center
1.8 mi
General Acute Care Hospital
1 BROOKDALE PLZ STE 666
Brooklyn, NY 11212
  • Reassigned Medicare billing, New York enrollment
  • 782 clinicians in this Medicare group
NPI 1720028772 (718) 240-8352
Interfaith Professional Physician Services, P.C.
2.2 mi
Surgery
1545 ATLANTIC AVENUE, FACULTY PRACTICE
Brooklyn, NY 11213
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Interfaith Professional Physician Services PC
  • 635 clinicians in this Medicare group
NPI 1457643991 (718) 240-8352
New York Gracie Square Hospital Inc
8.3 mi
Psychiatric Hospital
420 E 76TH ST
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 135 clinicians in this Medicare group
NPI 1215911946 (212) 434-5300
Lawrence Medical Associates, PC
20 mi
Emergency Medicine
55 PALMER AVENUE, DEPARTMENT OF EMERGENCY MEDICINE
Bronxville, NY 10708
  • Reassigned Medicare billing, New York enrollment
  • 531 clinicians in this Medicare group
NPI 1497260806 (914) 787-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
230 services108 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.
179 services78 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
158 services136 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.
60 services36 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.
51 services19 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.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Brookdale Hospital Medical Center

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330233
Location1 Brookdale PlazaBrooklyn, NY 11212 · Kings County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11212 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.

Other Providers at the Same Location NPPES 9

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

RICHARD A KOLCHIN MD
Internal Medicine (Allergy & Immunology)
1335 LINDEN BLVD, STE 100
BROOKLYN, NY 11212
Kings County (718) 240-5100
ROYALE PEDIATRIC HEALTHCARE, PC
Pediatrics (Adolescent Medicine)
1335 LINDEN BLVD, SUITE 126
BROOKLYN, NY 11212
Kings County (718) 240-5878
DR. TATYANA ZAGORUYCHENKO MD
Hospitalist
1335 LINDEN BLVD
BROOKLYN, NY 11212
Kings County (718) 240-5100
DEBORAH ANNE SILBERMAN MD
Ophthalmology
1335 LINDEN BLVD, STE #126
BROOKLYN, NY 11212
Kings County (718) 332-3030
NEERAJ ABROL MD
Internal Medicine
1335 LINDEN BLVD, SUITE 100
BROOKLYN, NY 11212
Kings County (718) 240-5100
DR. LARISA MARARENKO
Internal Medicine
1335 LINDEN BLVD, SUITE 100
BROOKLYN, NY 11212
Kings County (718) 240-5100
DEBORAH ANNE SILBERMAN MD PC
Ophthalmology
1335 LINDEN BLVD, SUITE
BROOKLYN, NY 11212
Kings County (718) 332-3030
YITZCHAK WEINBERGER MD
Internal Medicine (Geriatric Medicine)
1335 LINDEN BLVD, SUITE 100
BROOKLYN, NY 11212
Kings County (718) 240-5100

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 Boris Avezbakiyev's NPI number?

The NPI number for Boris Avezbakiyev is 1396794921. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Boris Avezbakiyev located?

Boris Avezbakiyev practices at 1335 Linden Blvd, Brooklyn, NY 11212. The listed phone number is (718) 240-5100.

What is Boris Avezbakiyev's specialty?

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

Is Boris Avezbakiyev enrolled in Medicare?

Yes. Boris Avezbakiyev 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.

Which organizations bill Medicare for Boris Avezbakiyev's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Boris Avezbakiyev reassigns Medicare benefits to 5 organizations: Kingsbrook Medical Associates, PC (Brooklyn, NY), Brookdale Hospital Medical Center (Brooklyn, NY), Interfaith Professional Physician Services, P.C. (Brooklyn, NY), New York Gracie Square Hospital Inc (New York, NY) and Lawrence Medical Associates, PC (Bronxville, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Boris Avezbakiyev's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Boris Avezbakiyev affiliated with any hospitals?

According to CMS data, Boris Avezbakiyev is affiliated with Brookdale Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Boris Avezbakiyev was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.