Dr Kathleen Mary Obrien, MD - Medicare Emergency Medicine in Boston, MA

Dr Kathleen Mary Obrien, MD is a medicare enrolled "Emergency Medicine" physician in Boston, Massachusetts. She went to University Of Massachusetts Medical School and graduated in 2006 and has 18 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Carson Tahoe Emergency Physicians and her current practice location is 55 Fruit Street, Mass. General Hospital Dept. Of Emerg. Medicine, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 726-0313.

Dr Kathleen Mary Obrien is licensed to practice in Arizona (license number 77459) 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 1427236975.

Contact Information

Dr Kathleen Mary Obrien, MD
55 Fruit Street, Mass. General Hospital Dept. Of Emerg. Medicine,
Boston, MA 02214
(617) 726-0313
Not Available

Map and Direction




Physician's Profile

Full NameDr Kathleen Mary Obrien
GenderFemale
SpecialityEmergency Medicine
Experience18 Years
Location55 Fruit Street, Boston, Massachusetts
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:
  • Dr Kathleen Mary Obrien attended and graduated from University Of Massachusetts Medical School in 2006
  NPI Data:
  • NPI Number: 1427236975
  • Provider Enumeration Date: 02/07/2008
  • Last Update Date: 05/08/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1153475967
  • Enrollment ID: I20171206001954

Medical Identifiers

Medical identifiers for Dr Kathleen Mary Obrien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427236975NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 77459 (Arizona)Primary
207P00000XEmergency Medicine 254591 (Massachusetts)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Carson Tahoe Regional Medical CenterCarson city, NVHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Carson Tahoe Emergency Physicians741693057324

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 Kathleen Mary Obrien allows following entities to bill medicare on her behalf.
Entity NameCarson Tahoe Emergency Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396822821
PECOS PAC ID: 7416930573
Enrollment ID: O20040609001476

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 Kathleen Mary Obrien 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 Kathleen Mary Obrien, MD
55 Fruit Street, Mass. General Hospital Dept. Of Emerg. Medicine,
Boston, MA 02214

Ph: (617) 726-0313
Dr Kathleen Mary Obrien, MD
55 Fruit Street, Mass. General Hospital Dept. Of Emerg. Medicine,
Boston, MA 02214

Ph: (617) 726-0313

Reviews and Comments


Emergency Medicine Doctors in Boston, MA

Yeu-shin Cindy Chang, M.D., M.P.H.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Bwh Dept. Of Emergency Medicine, Boston, MA 02115
Phone: 617-732-8070    
Lorenzo Albala, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-724-4068    
Dr. Jacob Ari Hurwitz, MD MPH
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-724-4068    
Christopher Lites, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 330 Brookline Ave, Boston, MA 02215
Phone: 617-667-7000    
Aneesh T Narang, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Boston Medical Ctr Pl, Dowling 1 South, Boston, MA 02118
Phone: 617-414-5481    Fax: 617-414-7759
Dr. Justin Thomas Pitman, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Neville House - 236a, Boston, MA 02115
Phone: 617-732-8070    
Dr. Nadine Youssef, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 750 Washington St, Box 311 / Department Of Emergency Medicine, Boston, MA 02111
Phone: 617-636-4723    

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.

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