Ashwatha Narayana, MD - Medicare Radiation Oncology in Greenwich, CT

Ashwatha Narayana, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Greenwich, Connecticut. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice North Shore - Lij Medical Pc and his current practice location is 77 Lafayette Pl, Greenwich, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 863-3773.

Ashwatha Narayana is licensed to practice in New York (license number 225503) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1639121353.

Contact Information

Ashwatha Narayana, MD
77 Lafayette Pl,
Greenwich, CT 06830-5426
(203) 863-3773
(293) 863-3723

Map and Direction




Physician's Profile

Full NameAshwatha Narayana
GenderMale
SpecialityRadiation Oncology
Experience38 Years
Location77 Lafayette Pl, Greenwich, Connecticut
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ashwatha Narayana graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1639121353
  • Provider Enumeration Date: 05/17/2006
  • Last Update Date: 02/27/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 4082638085
  • Enrollment ID: I20060626000252

Medical Identifiers

Medical identifiers for Ashwatha Narayana such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639121353NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 225503 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northern Westchester HospitalMount kisco, NYHospital
Phelps Memorial Hospital CenterSleepy hollow, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore - Lij Medical Pc33757015685120

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ashwatha Narayana allows following entities to bill medicare on his behalf.
Entity NameNorth Shore - Lij Medical Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053688572
PECOS PAC ID: 3375701568
Enrollment ID: O20120220000262

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ashwatha Narayana is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ashwatha Narayana, MD
77 Lafayette Pl,
Greenwich, CT 06830-5426

Ph: (203) 863-3773
Ashwatha Narayana, MD
77 Lafayette Pl,
Greenwich, CT 06830-5426

Ph: (203) 863-3773

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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