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MADHUMATI R KALAVAR MD
NPI 1215991070
Internal Medicine - Hematology & Oncology in Brooklyn, NY

Active since April 17, 2006PECOS EnrolledAccepts Medicare Assignment
566 SCHENECTADY AVE, BROOKLYN, NY 11203(718) 483-8360(718) 484-2179 Get Directions Write a Review

NPPES record last updated: June 3, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Madhumati R Kalavar Md NPPES

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

MADHUMATI R KALAVAR MD (NPI 1215991070) is an individual hematology & oncology provider in Brooklyn, New York, licensed in New York (190911) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Brookdale Hospital Medical Center, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1215991070
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameMADHUMATI R KALAVARCredential: MD
Location Address566 SCHENECTADY AVEBrooklyn, NY 11203-1821
Mailing Address17 Brighton Rd NManhasset, NY 11030-3945 · (516) 236-0295 · Fax (718) 499-3218
Phone(718) 483-8360
Fax(718) 484-2179
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateApril 17, 2006
Last NPPES UpdateJune 3, 2025
NPPES CertifiedJune 3, 2025
✔ NPI 1215991070 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 · 190911
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 Medicine · HematologyTaxonomy 207RH0000X · License 190911 (NY)
566 SCHENECTADY AVE, Brooklyn, NY 11203
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Other Identifiers 1

Medicaid01619992NY

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

Madhumati R Kalavar 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 ID3678673126
PECOS Enrollment IDI20070712000431
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 Madhumati Kalavar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Madhumati R Kalavar, MD, PC
Same address
Hematology & Oncology
566 SCHENECTADY AVE
Brooklyn, NY 11203
  • Reassigned Medicare billing, New York enrollment
NPI 1912106964 (718) 483-8360
Kingsbrook Medical Associates, PC
Same address
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
0.6 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.
1.3 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
Kings Physician Services, PC
2.4 mi
Emergency Medicine
506 6TH STREET, DEPARTMENT OF EMERGENCY MEDICINE
Brooklyn, NY 11215
  • Reassigned Medicare billing, New York enrollment
  • 1,029 clinicians in this Medicare group
NPI 1326698879 (718) 780-3424

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 8

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 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
383 services145 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.
161 services73 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.
139 services122 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.
84 services26 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.
50 services25 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.
37 services18 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 11203 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

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

MADHUMATI R KALAVAR, MD, PC
Internal Medicine (Hematology & Oncology)
566 SCHENECTADY AVE
BROOKLYN, NY 11203
Kings County (718) 483-8360

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 Madhumati Kalavar's NPI number?

The NPI number for Madhumati Kalavar is 1215991070. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Madhumati Kalavar located?

Madhumati Kalavar practices at 566 Schenectady Ave, Brooklyn, NY 11203. The listed phone number is (718) 483-8360.

What is Madhumati Kalavar's specialty?

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

Is Madhumati Kalavar enrolled in Medicare?

Yes. Madhumati Kalavar 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 Madhumati Kalavar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madhumati Kalavar reassigns Medicare benefits to 5 organizations: Madhumati R Kalavar, MD, PC (Brooklyn, NY), Kingsbrook Medical Associates, PC (Brooklyn, NY), Brookdale Hospital Medical Center (Brooklyn, NY), Interfaith Professional Physician Services, P.C. (Brooklyn, NY) and Kings Physician Services, PC (Brooklyn, 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 Madhumati Kalavar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Madhumati Kalavar affiliated with any hospitals?

According to CMS data, Madhumati Kalavar is affiliated with Brookdale Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Madhumati Kalavar was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.