Peter J Ossanna, MD - Medicare Internal Medicine in Ellsworth, ME

Peter J Ossanna, MD is a medicare enrolled "Internal Medicine" physician in Ellsworth, Maine. He went to Johns Hopkins University School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mount Desert Island Hospital and his current practice location is 50 Union St, Maine Coast Memorial Hospital, Ellsworth, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 664-5480.

Peter J Ossanna is licensed to practice in Maine (license number 013096) 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 1942249842.

Contact Information

Peter J Ossanna, MD
50 Union St, Maine Coast Memorial Hospital,
Ellsworth, ME 04605-1586
(207) 664-5480
(207) 664-5490

Map and Direction




Physician's Profile

Full NamePeter J Ossanna
GenderMale
SpecialityInternal Medicine
Experience36 Years
Location50 Union St, Ellsworth, Maine
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:
  • Peter J Ossanna attended and graduated from Johns Hopkins University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1942249842
  • Provider Enumeration Date: 06/06/2006
  • Last Update Date: 08/01/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 1052356425
  • Enrollment ID: I20050627000214

Medical Identifiers

Medical identifiers for Peter J Ossanna such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942249842NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 013096 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mount Desert Island HospitalBar harbor, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mount Desert Island Hospital094125096349

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. Peter J Ossanna allows following entities to bill medicare on his behalf.
Entity NameMount Desert Island Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790764512
PECOS PAC ID: 0941250963
Enrollment ID: O20050127000611

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. Peter J Ossanna 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
Peter J Ossanna, MD
50 Union St, Maine Coast Memorial Hospital,
Ellsworth, ME 04605-1586

Ph: (207) 664-5480
Peter J Ossanna, MD
50 Union St, Maine Coast Memorial Hospital,
Ellsworth, ME 04605-1586

Ph: (207) 664-5480

Reviews and Comments


Internal Medicine Doctors in Ellsworth, ME

Elizabeth Laverack, M. D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 50 Union St, Ellsworth, ME 04605
Phone: 207-664-5311    Fax: 207-664-5305
Dr. Kathryn Rensenbrink, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 32 Resort Way, Ellsworth, ME 04605
Phone: 207-664-7780    Fax: 207-664-7723
Dr. Perri Huitt, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 50 Union St, Ellsworth, ME 04605
Phone: 207-664-5311    
Gale Anne Mccarty, MD, FACP, FACR
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 50 Union St, Maine Coast Rheumatology, Ellsworth, ME 04605
Phone: 207-664-5430    Fax: 207-664-5463
Erin Marie Salter,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 50 Union St, Ellsworth, ME 04605
Phone: 207-664-5311    
Dr. Wesam A. Bolkhir, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 50 Union St, Ellsworth, ME 04605
Phone: 207-664-5311    
Dr. Anita D Kolisch, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 32 Resort Way, Ellsworth, ME 04605
Phone: 207-664-7780    Fax: 207-664-7723

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.