Xi Chen, MD, PhD
Director, Clinical Neurophysiology Fellowship Program
Clinical Neurophysiology; Neuromuscular Disorders
New Patient Appointments
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Dr. Chen accepts the following list of insurance providers. Select your insurance provider to see more details.
Memorial Sloan Kettering is an in-network provider with Aetna HMO, POS, and PPO plans. Aetna does not include us in any of the plans you can purchase through the insurance exchanges or through Medicare. Please ask your insurance if you need a one-time referral. MSK has an agreement with the Aetna Transplant Program for all Aetna's commercial products.
In New York State
Memorial Sloan Kettering is an in-network provider with Empire Blue Cross Blue Shield (Wellpoint) of New York HMO, EPO, PPO, and POS plans, with the following exceptions:
- Empire Blue Cross Blue Shield does not include us in any of the plans you can buy through the insurance exchanges.
- Memorial Sloan Kettering is not an in-network provider for Empire's Medicare Managed Care plan known as Mediblue). However, effective 1/1/22, most of Empire's BCBS Medicare Advantage plans, including the NYC retiree Plus plan, will be in-network with MSK. Please call Empire BCBS to confirm if you specific plan is in-network.
- Memorial Sloan Kettering is a designated Center of Excellence by Blue Cross Blue Shield.
In New Jersey
Memorial Sloan Kettering is an in-network provider with some Horizon Blue Cross Blue Shield of New Jersey plans for individuals, families, and small businesses. For example, the PPO plan is in-network with our Manhattan locations.
Horizon Blue Cross HMO is only in-network with our Basking Ridge, Bergen and Monmouth locations. It does not allow access to our Manhattan facilities.
Horizon Blue Cross PPO is in network with our Basking Ridge, Bergen, Monmouth and Manhattan locations.
OMNIA Plans: Tier I EPO based plan policy is only in-network with our Basking Ridge, Bergen and Monmouth locations and does not allow access to our Manhattan sites. Tier II EPO is only in-network with our Manhattan sites if it is a blue-card plan (there would be a suitcase logo indicating PPO on the front of the card).
Other plans may only be in-network at our Basking Ridge, Bergen or Monmouth locations.
Outside New York State and New Jersey
Some, but not all, Blue Cross Blue Shield plans outside of New York and New Jersey include Memorial Sloan Kettering as an in-network provider. Contact your insurance to find out if your plan provides in-network access to Memorial Sloan Kettering.
We understand that there may be many complexities involved with insurance coverage purchased through the health exchange network of the Affordable Care Act. We’re here to help. If you have questions about how your care will be covered by an insurance provider, or need help navigating a change in coverage, please call us at 646-227-3378; if you are not a resident of New York, you can call us at 866-248-1274. Our team is here to listen to your concerns and assist you in any way we can. We want our care to be as accessible and affordable for as many people as possible.
Memorial Sloan Kettering is an in-network provider with CIGNA's HMO, POS, and PPO plans. CIGNA does not include us in any of the plans you can buy through the insurance exchanges.
- If you are a New York State resident: Please ask your insurance if you need a one-time referral.
- If you live outside of New York State: Please ask your insurance if you have in-network access to Memorial Sloan Kettering.
Memorial Sloan Kettering is an in-network provider with EmblemHealth’s PPO, EPO, POS, HMO plans and Medicare plans. Emblem Health does not include us in any of its Select Care network plans or in their Medicare Bold and Reserved Networks plans. EmblemHealth includes GHI, HIP, Vytra, and ConnecticCare (in NYS Only). You must bring a referral from your Emblem primary care doctor to your first appointment.
Memorial Sloan Kettering is an in-network provider with HealthFirst’s commercial products; these commercial products are not purchased on the insurance exchanges.
Memorial Sloan Kettering is an in-network provider with HealthSmart’s Accel, HSPC, and HPO networks.
Memorial Sloan Kettering is a designated Center of Excellence by Humana.
Memorial Sloan Kettering is a designated Center of Excellence by Interlink Health Services.
Memorial Sloan Kettering is a designated Center of Excellence by Lifetrac.
Memorial Sloan Kettering is an in-network provider for all MagnaCare health plans except those products you can buy through the insurance exchanges.
In New York: Memorial Sloan Kettering’s New York locations are in-network with the Emblem
In New Jersey: Memorial Sloan Kettering’s New Jersey locations in Basking Ridge, Bergen and Monmouth are in-network with the Horizon Medicare Advantage Plan. This plan is not accepted for care provided at MSK’s New York locations.
If you are enrolled in any other Medicare Advantage plan, please contact your insurance carrier to determine your benefits and coverage at Memorial Sloan Kettering since your access may be limited.
Memorial Sloan Kettering is not an in-network provider in Emblem’s Medicare Bold or Reserved Network plans. However, effective 4/1/22, most of the Empire BCBS Medicare Advantage plans, including the NYC retiree Plus plan, will be in-network with MSK. Please call Empire BCBS to confirm if your specific plan is in-network.
Memorial Sloan Kettering is an in-network provider with some Multiplan/Beech Street/PHCS plans. Contact your insurance carrier to find out if your plan provides in-network access to Memorial Sloan Kettering.
Memorial Sloan Kettering is a designated Center of Excellence by Multiplan.
If you are covered by more than one insurance plan, you will want to determine your benefits from both plans. First, you need to determine which one is your primary insurance provider by contacting your employee benefits office or your insurance carriers. After you find out which is your primary insurance provider, you should then contact your insurance carrier to determine if you have access to Memorial Sloan Kettering.
Memorial Sloan Kettering is an in-network provider with some MVP plans. Contact your insurance carrier to find out if your plan provides in-network access to Memorial Sloan Kettering.
Memorial Sloan Kettering is an in-network provider for New York State employees who have enrolled in UnitedHealthcare's Cancer Resource Services. If you have the Empire Plan, you should call Cancer Resources Services at 866-936-6002 to verify and enroll in this coverage.
Memorial Sloan Kettering is in-network with Oscar’s Circle Plus Network, a part of its Small Group Broad line that is offered only to select small business groups. Oscar does not include Memorial Sloan Kettering as an in-network provider for any of its individual plans. Please confirm eligibility with your insurance carrier.
We have agreements with several insurance companies that may provide additional coverage for cancer patients. These benefit programs include:
- AXA Assistance USA
- Beech Street
- Integrated Health Plans
- National Health Administrators
- National Preferred Provider Network
- UnitedHealthcare's Cancer Resource Services
- United Resource Network
- Veterans Choice Program
Memorial Sloan Kettering is an in-network provider with Oxford’s Freedom and Liberty plans as well as the Metro Plan (which is only offered to small business groups and no longer offered as individual plans). Please confirm with your insurance if you need a one-time referral. Note: Oxford’s Medicare Managed Care plan — Secure Horizon — does not include Memorial Sloan Kettering as an in-network provider. Oxford does not include us in any of the plans you can buy through the insurance exchanges.
Memorial Sloan Kettering is an in-network provider with the World Trade Center Health Program.
Memorial Sloan Kettering is an in-network provider with QualCare's PPO and HMO/POS network.
Memorial Sloan Kettering is a designated Center of Excellence by Specialty Care Management.
Hospital and physician services may be covered by TRICARE. Please call your TRICARE plan to confirm coverage at Memorial Sloan Kettering.
Memorial Sloan Kettering is an in-network provider with UnitedHealthCare's HMO, POS, and PPO plans. Please confirm with your insurance if a one-time referral is needed.
UnitedHealthCare's Medicare Managed Care plan does not include Memorial Sloan Kettering as an in-network provider.
United does not include us in any of the plans you can buy through the insurance exchanges.
Memorial Sloan Kettering is a designated Center of Excellence by UnitedHealthcare.
Contact and Location
Memorial Sloan Kettering has locations throughout New York City, Long Island, New Jersey, and Westchester. These locations offer many services, including screening, chemotherapy, and medical testing.
MD, Fujian Medical College
Neurology - New York University Medical Center
Clinical Neurophysiology - New York University Medical Center
Neurology; Clinical Neurophysiology
I am a board-certified neurologist and clinical neurophysiologist. My clinical expertise includes examining the nervous system function using electrodiagnostic tests. My research interest is in diagnosis and management of neuromuscular disorders associated with cancer.
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.
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.
Research and Publications
Ren Y, Xu HW, Davey F, Taylor M, Aiton J, Coote P, Fang F, Yao J, Chen D, Chen JX, Yan SD, Gunn-Moore FJ. Endophilin I expression is increased in the brains of Alzheimer disease patients. J Biol Chem. 2008 Feb 29;283(9):5685-91
Chen JX, Yan SD. Pathogenic role of mitochondrial amyloid-beta peptide. Expert Rev Neurother. 2007 Nov; 7(11): 1517-25.
Yao J, Taylor M, Davey F, Ren Y, Aiton J, Coote P, Fang F, Chen JX, Yan SD, Gunn-Moore FJ. Interaction of amyloid binding alcohol dehydrogenase/Abeta mediates up-regulation of peroxiredoxin II in the brains of Alzheimer’s disease patients and a transgenic Alzheimer’s disease mouse model. Mol Cell Neurosci. 2007 Jun;35(2):377-82. Epub 2007 Apr 1.
Chen X, Sterio D, Ming X, Para DD, Butusova M, Tong T, Beric A. Success rate of motor evoked potentials for intraoperative neurophysiologic monitoring: effects of age, lesion location, and preoperative neurologic deficits. J Clin Neurophysiol. 2007 Jun;24(3):281-5.
Chen X, Stern D, and Yan SD. Cellular targets of amyloid beta Peptide: potential roles in neuronal stress and toxicity. Chapter 11, Neurobiology of Alzheimer’s Disease (Molucelar and cellular biology series) 3rd edition, Oxford Publications, 2007; pp227-244.
Yan SD, Chen X, and Wu H. ABAD: mitochondrial target for amyloid-induced cellular perturbation relevant to Alzheimer disease.Research Progress in Alzheimer’s Disease and Dementia. Book Chapter, Nova Science Publishers, Inc. 2006
Caspersen C, Wang N, Yao J, Sosunov A, Chen X, Lustbader JW, Xu HW, Stern D, McKhann G, Yan SD. Mitochondrial Abeta: a potential focal point for neuronal metabolic dysfunction in Alzheimer’s disease. FASEB J. 2005 Dec;19(14):2040-1. Epub 2005 Oct 6.
Takuma K, Yao J, Huang J, Xu H, Chen X, Luddy J, Trillat AC, Stern DM, Arancio O, Yan SS. ABAD enhances Abeta-induced cell stress via mitochondrial dysfunction. FASEB J. 2005 Apr;19(6):597-8. Epub 2005 Jan 21.
Arancio O, Zhang HP, Chen X, Lin C, Trinchese F, Puzzo D, Liu S, Hegde A, Yan SF, Stern A, Luddy JS, Lue LF, Walker DG, Roher A, Buttini M, Mucke L, Li W, Schmidt AM, Kindy M, Hyslop PA, Stern DM, Du Yan SS. RAGE potentiates Abeta-induced perturbation of neuronal function in transgenic mice. EMBO J. 2004 Oct 13;23(20):4096-105. Epub 2004 Sep 30
Lustbader JW, Cirilli M, Lin C, Xu HW, Takuma K, Wang N, Caspersen C, Chen X, Pollak S, Chaney M, Trinchese F, Liu S, Gunn-Moore F, Lue LF, Walker DG, Kuppusamy P, Zewier ZL, Arancio O, Stern D, Yan SS, Wu H. ABAD directly links Abeta to mitochondrial toxicity in Alzheimer’s disease. Science. 2004 Apr 16;304(5669):448-52.
Yan SS, Wu ZY, Zhang HP, Furtado G, Chen X, Yan SF, Schmidt AM, Brown C, Stern A, LaFaille J, Chess L, Stern DM, Jiang H. Suppression of experimental autoimmune encephalomyelitis by selective blockade of encephalitogenic T-cell infiltration of the central nervous system. Nat Med. 2003 Mar;9(3):287-93. Epub 2003 Feb 24.
Du Yan S, Zhu H, Fu J, Yan SF, Roher A, Tourtellotte WW, Rajavashisth T, Chen X, Godman GC, Stern D, Schmidt AM. Amyloid-beta peptide-receptor for advanced glycation endproduct interaction elicits neuronal expression of macrophage-colony stimulating factor: a proinflammatory pathway in Alzheimer disease. Proc Natl Acad Sci U S A. 1997 May 13;94(10):5296-301.
Yan SD, Fu J, Soto C, Chen X, Zhu H, Al-Mohanna F, Collison K, Zhu A, Stern E, Saido T, Tohyama M, Ogawa S, Roher A, Stern D. An intracellular protein that binds amyloid-beta peptide and mediates neurotoxicity in Alzheimer’s disease. Nature. 1997 Oct 16;389(6652):689-95.
Chen X, Yan SD, Fu J, Herbert J. Genetic assay for multimerization of both normal and mutant transthyretin. Amyloid 1996(3): 245-251.
Yan SD, Chen X, Fu J, Chen M, Zhu H, Roher A, Slattery T, Zhao L, Nagashima M, Morser J, Migheli A, Nawroth P, Stern D, Schmidt AM. RAGE and amyloid-beta peptide neurotoxicity in Alzheimer’s disease. Nature. 1996 Aug 22;382(6593):685-91.
Yan SD, Yan SF, Chen X, Fu J, Chen M, Kuppusamy P, Smith MA, Perry G, Godman GC, Nawroth P, et al. Non-enzymatically glycated tau in Alzheimer’s disease induces neuronal oxidant stress resulting in cytokine gene expression and release of amyloid beta-peptide. Nat Med. 1995 Jul;1(7):693-9.
Schon EA, Sciaco M. Palloti F, Chen X, Bonilla E. Mitochondrial DNA muitations and aging. In: Cellular Aging and Cell Death. Ed: NJ Holbrook, GR Martin, and RA Lockshin, John Wiley-Liss, Inc. 1994: 19-34.
Yan SD, Chen X, Schmidt AM, Brett J, Godman G, Zou YS, Scott CW, Caputo C, Frappier T, Smith MA, et al. Glycated tau protein in Alzheimer disease: a mechanism for induction of oxidant stress. Proc Natl Acad Sci U S A. 1994 Aug 2;91(16):7787-91.
Chen X, Simonetti S, DiMauro S, Schon EA. Accumulation of mitochondrial DNA deletions in oganisms with various life spans. Bull Mol Biol Med 1993; 18: 57-66.
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.
Xi Chen 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 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, 2020 through disclosure submission in spring 2021). This data reflects interests that may or may not still exist. This data is updated annually.