Dr John Sommer, MD - Medicare Internal Medicine in Brunswick, ME

Dr John Sommer, MD is a medicare enrolled "Internal Medicine" physician in Brunswick, Maine. He graduated from medical school in 2007 and has 17 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Martin's Point Health Care and his current practice location is 114 Bath Rd, Brunswick, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 798-4400.

Dr John Sommer is licensed to practice in Maine (license number MD18801) 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 1275732364.

Contact Information

Dr John Sommer, MD
114 Bath Rd,
Brunswick, ME 04011-2606
(207) 798-4400
(207) 798-4452

Map and Direction




Physician's Profile

Full NameDr John Sommer
GenderMale
SpecialityInternal Medicine
Experience17 Years
Location114 Bath Rd, Brunswick, 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:
  • Dr John Sommer graduated from medical school in 2007
  NPI Data:
  • NPI Number: 1275732364
  • Provider Enumeration Date: 07/17/2007
  • Last Update Date: 10/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8527237072
  • Enrollment ID: I20110818000015

Medical Identifiers

Medical identifiers for Dr John Sommer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275732364NPI-NPPES
1275732364MedicaidME

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics MD18801 (Maine)Secondary
207R00000XInternal Medicine MD18801 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Chans Hospice CareBrunswick, MEHospice
Mid Coast HospitalBrunswick, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Martin's Point Health Care599177663590

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. Dr John Sommer allows following entities to bill medicare on his behalf.
Entity NameMartin's Point Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366474611
PECOS PAC ID: 5991776635
Enrollment ID: O20040804001702

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 John Sommer 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 John Sommer, MD
Po Box 9746,
Portland, ME 04104-5040

Ph: (207) 791-3888
Dr John Sommer, MD
114 Bath Rd,
Brunswick, ME 04011-2606

Ph: (207) 798-4400

Reviews and Comments


Internal Medicine Doctors in Brunswick, ME

George Richard Polkinghorn, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 81 Medical Center Dr, Suite 1300, Brunswick, ME 04011
Phone: 207-729-1148    Fax: 207-729-2789
Miguel R Arguedas - Brollo, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 121 Medical Center Dr, Suite 3400, Brunswick, ME 04011
Phone: 207-406-7300    Fax: 207-406-7301
Dr. Peter Westervelt, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 329 Maine St, Brunswick, ME 04011
Phone: 207-373-2266    Fax: 314-454-5902
Dr. Thomas Blake Hendrix, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 123 Medical Center Dr, Brunswick, ME 04011
Phone: 207-373-6000    
Jeremy Leonard Hardison, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 121 Medical Center Dr, Brunswick, ME 04011
Phone: 207-661-2018    
Deanna L Pouliot, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 123 Medical Center Dr, Brunswick, ME 04011
Phone: 207-373-6000    
Dr. Timothy R Howe, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 329 Maine St, Suite D, Brunswick, ME 04011
Phone: 207-725-2429    Fax: 207-721-9345

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.