Mary Louisa Barnhart, MD - Medicare in Waterville, ME

Mary Louisa Barnhart, MD is a medicare enrolled "Psychiatry & Neurology - Addiction Psychiatry" physician in Waterville, Maine. Her current practice location is 10 Water St, Suite 306, Waterville, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 861-3488.

Mary Louisa Barnhart is licensed to practice in Maine (license number 01440) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1811055353.

Contact Information

Mary Louisa Barnhart, MD
10 Water St, Suite 306,
Waterville, ME 04901-6559
(207) 861-3488
(207) 861-3470

Map and Direction




Physician's Profile

Full NameMary Louisa Barnhart
GenderFemale
Speciality
Experience Years
Location10 Water St, Waterville, Maine
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mary Louisa Barnhart attended and graduated from in
  NPI Data:
  • NPI Number: 1811055353
  • Provider Enumeration Date: 12/05/2006
  • Last Update Date: 01/12/2023
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Mary Louisa Barnhart such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811055353NPI-NPPES
311000099MedicaidME

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0802XPsychiatry & Neurology - Addiction Psychiatry 01440 (Maine)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. Mary Louisa Barnhart 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
Mary Louisa Barnhart, MD
Po Box 6283,
China Village, ME 04926-0283

Ph: (207) 649-9394
Mary Louisa Barnhart, MD
10 Water St, Suite 306,
Waterville, ME 04901-6559

Ph: (207) 861-3488

Reviews and Comments


Psychiatry & Neurology Doctors in Waterville, ME

Robert Thomas Anderson, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 67 Eustis Pkwy, Waterville, ME 04901
Phone: 207-873-2136    Fax: 207-872-4522
Robert S Croswell, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 30 Chase Ave, Waterville, ME 04901
Phone: 207-872-4397    
Dr. Fred A. Bloom, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 67 Silver Street, Waterville, ME 04901
Phone: 207-873-1636    
Traci B Schilling, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 180 Kennedy Memorial Dr, Suite 203, Waterville, ME 04901
Phone: 207-861-7050    Fax: 207-861-7056
David N Breer, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 149 North St, Waterville, ME 04901
Phone: 207-861-6854    Fax: 207-861-6815
Paul L Minot, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 30 Chase Ave, Waterville, ME 04901
Phone: 207-861-5232    Fax: 207-861-5233
Marvin A Eisengart, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 325c Kennedy Memorial Dr, Waterville, ME 04901
Phone: 207-873-1990    Fax: 207-877-6639

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.