Expertise in
39
conditions

Dr. John Mascarenhas

Oncology
The Ruttenberg Treatment Center
1470 Madison Ave Fl 3, 
New York, NY 
Accepting New Patients
23 Years of Experience
Expertise in
39
conditions
The Ruttenberg Treatment Center
1470 Madison Ave Fl 3, 
New York, NY 

Overview

John Mascarenhas is an Oncologist practicing medicine in New York, New York. He has been practicing medicine for over 23 years.

Dr. Mascarenhas is highly rated in 39 conditions, according to our data. His clinical expertise encompasses Myelofibrosis, Myeloproliferative Neoplasms (MPN), Polycythemia Vera, Bone Marrow Aspiration, and Bone Marrow Transplant.

He is actively involved in clinical research, co-authoring 295 peer reviewed articles and participating in 12 clinical trials. Dr. Mascarenhas is currently accepting new patients.

Specialties

Oncology

Licenses

Internal Medicine in NY

Hospital Affiliations

Mount Sinai Beth Israel
Mount Sinai Hospital

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Health First
  • HMO
  • POS
Health New England
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetroPlus Health
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Northwell Health
  • INSURANCE PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 12 Less Insurance Carriers -

Locations

The Ruttenberg Treatment Center
1470 Madison Ave Fl 3, New York, NY 10029

Frequently Asked Questions about Dr. John Mascarenhas

How do I make an appointment with Dr. John Mascarenhas?

You can book an appointment with Dr. John Mascarenhas by calling their office at 212-257-0031. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John Mascarenhas a top-rated expert for Myelofibrosis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Mascarenhas is classified as an Elite expert for Myelofibrosis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. John Mascarenhas specialize in?

While Dr. John Mascarenhas is a Oncology, they have specific expertise in Myelofibrosis, Myeloproliferative Neoplasms (MPN), and Polycythemia Vera. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. John Mascarenhas participate in research or clinical trials?

Yes. Dr. John Mascarenhas has published 294 articles and abstracts on conditions like Myelofibrosis. You can view a list of Dr. John Mascarenhas's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. John Mascarenhas accept my insurance?

Dr. John Mascarenhas accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 212-257-0031 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Mascarenhas's expertise for a condition
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View All 7 Elite Conditions
View All 15 Distinguished Conditions
View All 17 Advanced Conditions
View All 50 Experienced Conditions
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