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DR. BOLESLAV KOSHARSKYY M.D.
NPI 1922081264
Anesthesiology - Pain Medicine in Bronx, NY

Active since November 21, 2005PECOS EnrolledAccepts Medicare Assignment
3400 BAINBRIDGE AVENUE SUITE LL400, BRONX, NY 10467(718) 920-7246(718) 652-4018 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Boleslav Kosharskyy M.d. NPPES

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

DR. BOLESLAV KOSHARSKYY M.D. (NPI 1922081264) is an individual pain medicine provider in Bronx, New York, licensed in New York (234893) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Cliffside Park, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1922081264
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameDR. BOLESLAV KOSHARSKYYCredential: M.D.
Location Address3400 BAINBRIDGE AVENUE SUITE LL400Bronx, NY 10467-2404
Mailing Address90 Matawan Rd Ste 302Matawan, NJ 07747-2653 · (732) 441-7177 · Fax (732) 441-7165
Phone(718) 920-7246
Fax(718) 652-4018
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateNovember 21, 2005
Last NPPES UpdateJanuary 20, 2026
NPPES CertifiedJanuary 20, 2026
✔ NPI 1922081264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in NY · 234893
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 25MA08645800 (NJ)
3400 BAINBRIDGE AVENUE SUITE LL400, Bronx, NY 10467
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Secondary Practice Location 1

Location 1596 Anderson Ave Ste 216Cliffside Park, NJ 07010-1856 · Phone (201) 772-2329 · Fax (212) 757-0223

Other Identifiers 1

Medicaid02660364NY

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. Boleslav Kosharskyy M.d. 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 ID3476596503
PECOS Enrollment IDI20050608001211
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 Boleslav Kosharskyy reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Montefiore Medical Center
0.1 mi
Anesthesiology
111 E 210TH ST
Bronx, NY 10467
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1063525152 (914) 378-6021
Bl Pain Management PLLC
2.6 mi
Interventional Pain Medicine
1976 CROTONA PKWY STE 3A
Bronx, NY 10460
  • Reassigned Medicare billing, New York enrollment
  • 8 clinicians in this Medicare group
NPI 1922509769 (718) 645-2829
Siuc Medical PC
4.2 mi
Multi-Specialty
932 SOUTHERN BOULEVARD
Bronx, NY 10459
  • Reassigned Medicare billing, New York enrollment
  • 49 clinicians in this Medicare group
NPI 1467826594 (646) 680-5200
Big Leap Medical Group PA
11 mi
Neurological Surgery
169 MADISON AVE STE 2828
New York, NY 10016
  • Reassigned Medicare billing, New York enrollment
  • 39 clinicians in this Medicare group
NPI 1821841503 (332) 334-1511
Premier Brain And Spine, LLC
25 mi
Neurological Surgery
2500 MORRIS AVE STE 220
Union, NJ 07083
  • Reassigned Medicare billing, New Jersey enrollment
  • 107 clinicians in this Medicare group
NPI 1922771377 (738) 906-9600

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 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.

Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
61 services17 patients
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321
Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.
58 services15 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.
49 services29 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.
29 services29 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.
29 services18 patients

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 Boleslav Kosharskyy's NPI number?

The NPI number for Boleslav Kosharskyy is 1922081264. It was assigned to this individual provider in the NPPES registry on November 21, 2005.

Where is Boleslav Kosharskyy located?

Boleslav Kosharskyy practices at 3400 Bainbridge Avenue Suite Ll400, Bronx, NY 10467. The listed phone number is (718) 920-7246.

What is Boleslav Kosharskyy's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Boleslav Kosharskyy enrolled in Medicare?

Yes. Boleslav Kosharskyy 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 Boleslav Kosharskyy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Boleslav Kosharskyy reassigns Medicare benefits to 5 organizations: Montefiore Medical Center (Bronx, NY), Bl Pain Management PLLC (Bronx, NY), Siuc Medical PC (Bronx, NY), Big Leap Medical Group PA (New York, NY) and Premier Brain And Spine, LLC (Union, NJ). 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 Boleslav Kosharskyy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Boleslav Kosharskyy was last updated on January 20, 2026. 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.