Dr Ellen D Nannis, PHD - Medicare Psychologist in Lexington, MA

Dr Ellen D Nannis, PHD is a medicare enrolled "Psychologist" provider in Lexington, Massachusetts. Her current practice location is 57 Bedford St, Suite 125, Lexington, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 861-1818.

Dr Ellen D Nannis is licensed to practice in Massachusetts (license number 6950) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1831204932.

Contact Information

Dr Ellen D Nannis, PHD
57 Bedford St, Suite 125,
Lexington, MA 02420-4500
(781) 861-1818
(781) 861-2057

Map and Direction




Healthcare Provider's Profile

Full NameDr Ellen D Nannis
GenderFemale
SpecialityPsychologist
Location57 Bedford St, Lexington, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1831204932
  • Provider Enumeration Date: 08/20/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8921061144
  • Enrollment ID: I20041109000652

Medical Identifiers

Medical identifiers for Dr Ellen D Nannis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831204932NPI-NPPES
11434OtherMAOPTIONS PROVIDER NUMBER
W05477OtherMABLUE CROSS PROVIDER NUMBE
755578OtherMATUFTS PROVIDER NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103T00000XPsychologist 6950 (Massachusetts)Primary

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. Dr Ellen D Nannis 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
Dr Ellen D Nannis, PHD
38 Lincoln St,
Lexington, MA 02421-6824

Ph: (781) 861-1818
Dr Ellen D Nannis, PHD
57 Bedford St, Suite 125,
Lexington, MA 02420-4500

Ph: (781) 861-1818

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.