Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

KENNETH E ROSENZWEIG MD
NPI 1063482271
Radiology - Radiation Oncology in New York, NY

Active since January 23, 2006PECOS Enrolled
1275 YORK AVE, NEW YORK, NY 10021(646) 227-3813 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Kenneth E Rosenzweig Md NPPES

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

KENNETH E ROSENZWEIG MD (NPI 1063482271) is an individual radiation oncology provider in New York, New York, licensed in New York (206749) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Yale University School Of Medicine (1992).

NPPES Registry Identity

NPI1063482271
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameKENNETH E ROSENZWEIGCredential: MD
Location Address1275 YORK AVENew York, NY 10021-6007
Mailing Address633 3rd Ave, Box 3New York, NY 10017-6706
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1992
Enumeration DateJanuary 23, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1063482271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License Licensed in NY · 206749
Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1275 YORK AVE, New York, NY 10021

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

Kenneth E Rosenzweig 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 ID9830384718
PECOS Enrollment IDI20101117001104
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.

Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
105 services32 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.
103 services64 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
63 services32 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
48 services48 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
43 services14 patients
Complex radiation therapy planning 77263
Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.
32 services30 patients

Hospital Affiliations CMS Care Compare

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

Mount Sinai Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10021 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
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
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 20

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

Dermatology
1275 YORK AVE
NEW YORK, NY 10021
Nurse Anesthetist, Certified Registered
1275 YORK AVE
NEW YORK, NY 10021
Nurse Anesthetist, Certified Registered
1275 YORK AVE
NEW YORK, NY 10021
Pediatrics (Pediatric Hematology-Oncology)
1275 YORK AVE
NEW YORK, NY 10021
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10021
Radiology (Diagnostic Radiology)
1275 YORK AVE, DEPARTMENT OF RADIOLOGY
NEW YORK, NY 10021
Internal Medicine (Medical Oncology)
1275 YORK AVE
NEW YORK, NY 10021
Internal Medicine (Hematology & Oncology)
1275 YORK AVE
NEW YORK, NY 10021

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 Kenneth Rosenzweig's NPI number?

The NPI number for Kenneth Rosenzweig is 1063482271. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Where is Kenneth Rosenzweig located?

Kenneth Rosenzweig practices at 1275 York Ave, New York, NY 10021. The listed phone number is (646) 227-3813.

What is Kenneth Rosenzweig's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Kenneth Rosenzweig enrolled in Medicare?

Yes. Kenneth Rosenzweig 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 Kenneth Rosenzweig affiliated with any hospitals?

According to CMS data, Kenneth Rosenzweig is affiliated with Mount Sinai Hospital.

When was this NPI record last updated?

The NPPES record for Kenneth Rosenzweig was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.