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Morgan Freret

Morgan Freret, MD, PhD

Radiation Oncologist

My Role at MSK

Areas of Expertise

Conditions I Treat

  • Metastatic brain tumors

My Specialties

  • Radiation therapy
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Dr. Freret's Office Information
Languages: English & Spanish
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About Me

What I Do at MSK
  • Instructor
My Role at MSK

A radiation oncologist is a cancer doctor with special training in using radiation therapy (RT) to treat cancer with radiation.

Areas of Expertise

Conditions I Treat

  • Metastatic brain tumors

My Specialties

  • Radiation therapy
Education & Honors

Education

  • MD, Harvard Medical School
  • PhD, Neuroscience, Harvard Medical School

Residencies

  • Radiation Oncology, Memorial Sloan Kettering Cancer Center

Awards and Honors

  • Louis V. Gerstner, Jr. Physician Scholars Award (2022)
  • Residents/Fellows in Biology Seed Grant, American Society for Radiation Oncology (ASTRO) (2022)
  • National Comprehensive Cancer Network (NCCN) Oncology Fellows Program (2022)
  • B. Leonard Holman Research Pathway Postdoctoral Fellowship Award, American Board of Radiology (2021)
  • Dean's Award for Academic Achievement, Stanford University (2010)
  • Graduation with Honors and Distinction, Stanford University (2010)
  • Phi Beta Kappa Society (2009)
  • Vice Provost for Undergraduate Education (VPUE) Research in Biology Grant, Stanford University (2007)
  • National Merit Scholar (2005)

Insurance Information

Understanding your insurance options is an important part of managing your cancer care. We have relationships with many common healthcare providers and plans.

Aetna

In Network Coverage Type
HMO, EPO PPO, POS, Transplant

Aetna Medicare Advantage (MTA and NYC retirees only)

In Network Coverage Type
PPO

Anthem BCBS and other BCBS licensee plans

In Network Coverage Type
PPO, POS, EPO, HMO

See updates

Anthem BCBS Health Plus

In Network Coverage Type
HMO

See updates

Blue Cross Blue Shield Federal Employee Program

In Network Coverage Type
HMO, PPO

See updates

Blue Cross Blue Shield states outside of NY/NJ

In Network Coverage Type
HMO, EPO PPO, POS

See updates

Carrum Health

In Network Coverage Type
Supplemental

Cigna

In Network Coverage Type
PPO, POS, HMO

Connecticare

In Network Coverage Type
POS, EPO, HMO

Emblem

In Network Coverage Type
PPO, POS, EPO, HMO

Offers a qualified health plan from the Health Insurance Marketplace. Call Emblem to learn more.

Emblem Essential

In Network Coverage Type
HMO

Emblem Medicare Advantage (Medicare Choice PPO Network and VIP Prime Network Only)

In Network Coverage Type
PPO, HMO

Empire Essential

In Network Coverage Type
HMO

Empire Plan / NYSHIP (Blue Cross/UnitedHealthcare split plan)

In Network Coverage Type
PPO

See updates

Fidelis

In Network Coverage Type
HMO, EPO

Offers a qualified health plan from the Health Insurance Marketplace. Call Fidelis to learn more.

Fidelis Managed Medicaid & HARP

In Network Coverage Type
HMO

Fidelis Medicare Advantage

In Network Coverage Type
HMO

First Health

In Network Coverage Type
PPO

Healthfirst

In Network Coverage Type
EPO, HMO, PPO, POS

Offers a qualified health plan from the Health Insurance Marketplace. Call Healthfirst to learn more.

Healthfirst Managed Medicaid

In Network Coverage Type
HMO

Healthfirst Medicare Advantage

In Network Coverage Type
HMO, PPO

Healthsmart

In Network Coverage Type
PPO EPO

Horizon Blue Cross Blue Shield New Jersey (HMO)

In Network Coverage Type
HMO

See updates

Horizon Blue Cross Blue Shield New Jersey (PPO)

In Network Coverage Type
PPO

See updates

Horizon Blue Cross Blue Shield New Jersey Omnia Tier I (EPO)

In Network Coverage Type
EPO

See updates

Horizon Blue Cross Blue Shield New Jersey Omnia Tier II (EPO)

In Network Coverage Type
EPO

See updates

Horizon Medicare Advantage

In Network Coverage Type
PPO, HMO

Husky CT Medicaid

In Network Coverage Type
State Government

Magnacare

In Network Coverage Type
PPO, POS, EPO

Straight NJ Medicaid

In Network Coverage Type
State Government

Straight NY Medicaid

In Network Coverage Type
State Government

Medicare Part A&B (traditional Medicare)

In Network Coverage Type
Federal Government

Multiplan/Beech Street/PHCS

In Network Coverage Type
Supplemental

MVP

In Network Coverage Type
PPO/OAP

Non-Participating Plans with Out of Network Benefits

In Network Coverage Type
PPO, POS, EPO, HMO

NYC Medicare Advantage Plus for City Employees

In Network Coverage Type
TBD

Oscar

In Network Coverage Type
HMO/EPO

Oxford

In Network Coverage Type
PPO, EPO

World Trade Center Health Program (WTC)

In Network Coverage Type
State Government

Qualcare

In Network Coverage Type
PPO, POS, HMO

Tricare

In Network Coverage Type
PPO, HMO

UMR

In Network Coverage Type
PPO, POS

United Healthcare

In Network Coverage Type
PPO, POS, HMO

Don't see your carrier or plan? We can help you understand your coverage.

If you don't have health insurance or are worried that your care may not be fully covered, our financial assistance programs may be able to help.

If you have questions about insurance, call us at 646-497-9176.

Make an Appointment

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Current Patients
Request an appointment by logging on to MyMSK or calling your doctor’s office. If you aren’t registered for MyMSK, call 646-227-2593 for your Enrollment ID.

Contact and Location

Dr. Freret sees patients at one location.

Location
New York, NY
Memorial Sloan Kettering Cancer Center
1275 York Avenue New York NY 10065
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Looking to see a doctor at a different location? See all MSK locations.

Colleagues

Doctors at Memorial Sloan Kettering work as teams, with specialists from all different areas. This allows us to consider all your needs together, and to give you the best possible care.

See all Radiation Oncology doctors

See all External Beam Radiotherapy Service, Manhattan doctors

Clinical Trials

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Find a Clinical Trial for You

Memorial Sloan Kettering's doctors and scientists are constantly developing new treatments for cancer. MSK is typically running hundreds of clinical trials at a given time.

You may be able to participate in a clinical trial even if you are new to MSK. Search our online directory to find trial information and see more about who can participate.

Search clinical trials

Research and Publications

View a list of Dr. Freret’s publications.

Freret ME, Wijetunga NA, Shamseddine AA, Higginson DS, Schmitt AM, Yamada Y, Lis E, Boire A, Yang JT, Xu AJ. Early Detection of Leptomeningeal Metastases Among Patients Undergoing Spinal Stereotactic Radiosurgery. Adv Radiat Oncol. 2022 Dec 26;8(2):101154. doi: 10.1016/j.adro.2022.101154. PMID: 36845624; PMCID: PMC9943781.

Senft RA, Freret ME, Sturrock N, Dymecki SM. Neurochemically and Hodologically Distinct Ascending VGLUT3 versus Serotonin Subsystems Comprise the r2-Pet1 Median Raphe. J Neurosci. 2021 Mar 24;41(12):2581-2600. doi: 10.1523/JNEUROSCI.1667-20.2021. Epub 2021 Feb 5. PMID: 33547164; PMCID: PMC8018730.

Read more

Freret ME, Gutmann DH. Insights into optic pathway glioma vision loss from mouse models of neurofibromatosis type 1. J Neurosci Res. 2019 Jan;97(1):45-56. doi: 10.1002/jnr.24250. Epub 2018 Apr 28. PMID: 29704429; PMCID: PMC6766750.

Freret ME, Anastasaki C, Gutmann DH. Independent NF1 mutations underlie café-au-lait macule development in a woman with segmental NF1. Neurol Genet. 2018 Jul 23;4(4):e261. doi: 10.1212/NXG.0000000000000261. PMID: 30065955; PMCID: PMC6066364.

Okaty BW, Freret ME, Rood BD, Brust RD, Hennessy ML, deBairos D, Kim JC, Cook MN, Dymecki SM. Multi-Scale Molecular Deconstruction of the Serotonin Neuron System. Neuron. 2015 Nov 18;88(4):774-91. doi: 10.1016/j.neuron.2015.10.007. Epub 2015 Nov 5. PMID: 26549332; PMCID: PMC4809055.

Publications on PubMed

Visit PubMed for a full listing of Dr. Freret’s journal articles. Pubmed is an online index of research papers and other articles from the US National Library of Medicine and the National Institutes of Health.

See all on PubMed

Disclosures

Doctors and faculty members often work with pharmaceutical, device, biotechnology, and life sciences companies, and other organizations outside of MSK, to find safe and effective cancer treatments, to improve patient care, and to educate the health care community.

MSK requires doctors and faculty members to report (“disclose”) the relationships and financial interests they have with external entities. As a commitment to transparency with our community, we make that information available to the public.

Morgan Freret discloses the following relationships and financial interests:

No disclosures meeting criteria for time period


If you’re a patient at MSK and would like more information about your doctor’s external relationships, please talk with your doctor.

The information published here is a complement to other publicly reported data and is for a specific annual disclosure period. There may be differences between information on this and other public sites as a result of different reporting periods and/or the various ways relationships and financial interests are categorized by organizations that publish such data.

This page and data include information for a specific MSK annual disclosure period (January 1, 2023 through disclosure submission in spring 2024). This data reflects interests that may or may not still exist. This data is updated annually.

Learn more about MSK’s COI policies here. For questions regarding MSK’s COI-related policies and procedures, email MSK’s Compliance Office at [email protected].


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