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DR. MENDEL MYER WARSHAWSKY MD
NPI 1699784215
Internal Medicine - Medical Oncology in Brooklyn, NY

Active since August 05, 2006PECOS EnrolledAccepts Medicare Assignment
6300 8TH AVE, BROOKLYN, NY 11220(718) 765-2600(718) 765-2630 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mendel Myer Warshawsky Md NPPES

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

DR. MENDEL MYER WARSHAWSKY MD (NPI 1699784215) is an individual medical oncology provider in Brooklyn, New York, licensed in New York (229236) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with St John's Episcopal Hospital At South Shore, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1699784215
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. MENDEL MYER WARSHAWSKYCredential: MD
Location Address6300 8TH AVEBrooklyn, NY 11220-4718
Mailing Address6300 8th AveBrooklyn, NY 11220-4718 · (718) 765-2600 · Fax (718) 765-2630
Phone(718) 765-2600
Fax(718) 765-2630
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateAugust 5, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1699784215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in NY · 229236
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
6300 8TH AVE, Brooklyn, NY 11220
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINH99023NY
Medicare ID-Type Unspecified06008NY

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. Mendel Myer Warshawsky 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 ID7416856166
PECOS Enrollment IDI20040102000115
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 11

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
630 services17 patients
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.
289 services114 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.
212 services67 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
159 services90 patients
Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367
This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.
130 services15 patients
Injection, diphenhydramine hcl, up to 50 mg J1200
Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.
62 services17 patients

Hospital Affiliations CMS Care Compare

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

St John's Episcopal Hospital At South Shore

Acute Care Hospitals · Far Rockaway, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330395
Location327 Beach 19th StreetFar Rockaway, NY 11691 · Queens County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11220 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.

Reported Quality Measures

Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%26 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
64%56 patients3/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
43%56 patients2/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
7%56 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

VIVIEN LI NP
Nurse Practitioner (Adult Health)
6300 8TH AVE
BROOKLYN, NY 11220
Kings County (718) 765-2700
PENG YANG MD
Student in an Organized Health Care Education/Training Program
6300 8TH AVE
BROOKLYN, NY 11220
Kings County (718) 765-2500
ALEJANDRA RAMIREZ MD
Pediatrics (Pediatric Hematology-Oncology)
6300 8TH AVE
BROOKLYN, NY 11220
Kings County (718) 765-2671
HORACE TANG M.D.
Internal Medicine (Hematology & Oncology)
6300 8TH AVE
BROOKLYN, NY 11220
Kings County (718) 765-2600
MS. RUTH E KNECHT NP
Nurse Practitioner (Gerontology)
6300 8TH AVE, DEPARTMENT OF RADIATION ONCOLOGY
BROOKLYN, NY 11220
Kings County (718) 765-2721
HUIWEN YING
Nurse Practitioner (Adult Health)
6300 8TH AVE
BROOKLYN, NY 11220
Kings County (718) 765-2600
CARIN D ZELKOWITZ RPA-C
Physician Assistant
6300 8TH AVE
BROOKLYN, NY 11220
Kings County (718) 765-2579
AIMEE GALLANT MD
Radiology (Therapeutic Radiology)
6300 8TH AVE
BROOKLYN, NY 11220
Kings County (718) 765-2722

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 Mendel Warshawsky's NPI number?

The NPI number for Mendel Warshawsky is 1699784215. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Mendel Warshawsky located?

Mendel Warshawsky practices at 6300 8th Ave, Brooklyn, NY 11220. The listed phone number is (718) 765-2600.

What is Mendel Warshawsky's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Mendel Warshawsky enrolled in Medicare?

Yes. Mendel Warshawsky 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 Mendel Warshawsky affiliated with any hospitals?

According to CMS data, Mendel Warshawsky is affiliated with St John's Episcopal Hospital At South Shore.

When was this NPI record last updated?

The NPPES record for Mendel Warshawsky was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.