Dr Kimberly A Brennan, DO - Medicare Internal Medicine in Concord, MA

  1. Home
  2. Internal Medicine
  3. MA
  4. Concord
Dr Kimberly A Brennan, DO is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Concord, Massachusetts. Her current practice location is 133 Ornac, Jcb Suite 200, Concord, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (978) 987-3436.

Dr Kimberly A Brennan is licensed to practice in Massachusetts (license number 234375) 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 1487838744.

Contact Information

Dr Kimberly A Brennan, DO
133 Ornac, Jcb Suite 200,
Concord, MA 01742-4159
(978) 987-3436
Not Available

Map and Direction




Physician's Profile

Full NameDr Kimberly A Brennan
GenderFemale
SpecialityInternal Medicine - Medical Oncology
Location133 Ornac, Concord, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1487838744
  • Provider Enumeration Date: 12/21/2007
  • Last Update Date: 09/25/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8123106259
  • Enrollment ID: I20080415000494

Medical Identifiers

Medical identifiers for Dr Kimberly A Brennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487838744NPI-NPPES
110078605AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology 234375 (Massachusetts)Primary

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 Kimberly A Brennan allows following entities to bill medicare on her behalf.
Entity NameMassachusetts General Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801874573
PECOS PAC ID: 2466365820
Enrollment ID: O20031111000434
Entity NameThe General Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023049236
PECOS PAC ID: 6507803806
Enrollment ID: O20080313000351

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 Kimberly A Brennan 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 Kimberly A Brennan, DO
131 Ornac, John Cuming Bldg., Suite 200,
Concord, MA 01742

Ph: (978) 287-3436		Dr Kimberly A Brennan, DO
133 Ornac, Jcb Suite 200,
Concord, MA 01742-4159

Ph: (978) 987-3436

Reviews and Comments


Internal Medicine Doctors in Concord, MA

Dr. William Judson Burtis, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 747 Main St, Suite 123, Concord, MA 01742
Phone: 978-287-9590    Fax: 978-287-5700
Dr. Paul David D'ambrosio, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2284 Main St, Concord, MA 01742
Phone: 978-369-5575    Fax: 978-371-9189
Richard P Schwartz, MD PC
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 131 Ornac Ste 510, John Cuming Building, Concord, MA 01742
Phone: 978-776-6186    Fax: 978-776-6189
Thomas Lamattina, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 131 Ornac, Concord, MA 01742
Phone: 978-371-0796    
Dr. Peter Scott Benjamin, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 133 Ornac, Concord, MA 01742
Phone: 978-287-3627    
Stephen M Dyda, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 131 Ornac, Concord, MA 01742
Phone: 978-287-8767    
Martha W Gilpatrick, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 140 Revolutionary Rd, Concord, MA 01742
Phone: 781-724-9086    

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.