Catherine Eisner Nielsen, MD - Medicare Family Practice in Oakland, ME

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Catherine Eisner Nielsen, MD is a medicare enrolled "Family Medicine" physician in Oakland, Maine. She went to University Of Wisconsin School Of Medicine and graduated in 1993 and has 33 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Mainegeneral Medical Center and her current practice location is 9 Pleasant St, Oakland, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 465-2181.

Catherine Eisner Nielsen is licensed to practice in Maine (license number 014189) 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 1588654743.

Contact Information

Catherine Eisner Nielsen, MD
9 Pleasant St,
Oakland, ME 04963-5034
(207) 465-2181
(207) 465-4629

Map and Direction




Physician's Profile

Full NameCatherine Eisner Nielsen
GenderFemale
SpecialityFamily Practice
Experience33 Years
Location9 Pleasant St, Oakland, 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:
  • Catherine Eisner Nielsen attended and graduated from University Of Wisconsin School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1588654743
  • Provider Enumeration Date: 10/27/2005
  • Last Update Date: 10/16/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 2961446604
  • Enrollment ID: I20050614000870

Medical Identifiers

Medical identifiers for Catherine Eisner Nielsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588654743NPI-NPPES
024867OtherMEANTHEM
301870099MedicaidME

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 014189 (Maine)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mainegeneral Medical Center1254245715501

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. Catherine Eisner Nielsen allows following entities to bill medicare on her behalf.
Entity NameMainegeneral Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669423380
PECOS PAC ID: 1254245715
Enrollment ID: O20031118000718
Entity NameMainegeneral Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063716710
PECOS PAC ID: 1254245715
Enrollment ID: O20110408000034

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. Catherine Eisner Nielsen 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
Catherine Eisner Nielsen, MD
9 Pleasant St,
Oakland, ME 04963-5034

Ph: (207) 465-2181		Catherine Eisner Nielsen, MD
9 Pleasant St,
Oakland, ME 04963-5034

Ph: (207) 465-2181

Reviews and Comments


Family Medicine Doctors in Oakland, ME

Dr. Joseph Mccue, D.O.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 74 Water St, Oakland, ME 04963
Phone: 207-465-7342    Fax: 207-465-7394
Mrs. Nancy Cann Filliter, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 9 Pleasant St, Oakland, ME 04963
Phone: 207-465-2181    Fax: 207-465-4629

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.