Dr William Sheehan, MD - Medicare Allergy & Immunology in Boston, MA

Dr William Sheehan, MD is a medicare enrolled "Allergy & Immunology" physician in Boston, Massachusetts. His current practice location is 300 Longwood Ave, Fegan 6; Division Of Immunology, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 355-6117.

Dr William Sheehan is licensed to practice in Massachusetts (license number 229671) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1306007794.

Contact Information

Dr William Sheehan, MD
300 Longwood Ave, Fegan 6; Division Of Immunology,
Boston, MA 02115-5724
(617) 355-6117
Not Available

Map and Direction




Physician's Profile

Full NameDr William Sheehan
GenderMale
SpecialityAllergy & Immunology
Location300 Longwood Ave, Boston, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1306007794
  • Provider Enumeration Date: 06/19/2008
  • Last Update Date: 06/19/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 7416089453
  • Enrollment ID: I20190722000446

Medical Identifiers

Medical identifiers for Dr William Sheehan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306007794NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology 229671 (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 William Sheehan allows following entities to bill medicare on his behalf.
Entity NameChildrens Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912939703
PECOS PAC ID: 0244143170
Enrollment ID: O20031107000130

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 William Sheehan 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 William Sheehan, MD
300 Longwood Ave, Fegan 6; Division Of Immunology,
Boston, MA 02115-5724

Ph: (617) 355-6117
Dr William Sheehan, MD
300 Longwood Ave, Fegan 6; Division Of Immunology,
Boston, MA 02115-5724

Ph: (617) 355-6117

Reviews and Comments


Allergy & Immunology Doctors in Boston, MA

Dr. David H. Sachs, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: Bldg. 149-9019, 13th Street, Boston, MA 02466
Phone: 617-726-4065    Fax: 617-726-4067
Dr. Anne Esther Goldfeld, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 800 Huntington Ave, Boston, MA 02115
Phone: 617-278-3351    Fax: 617-278-3454
Dr. Sachin Niranjan Baxi, M.D.
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 300 Longwood Ave, Fegan 6, Boston, MA 02115
Phone: 617-919-2489    Fax: 617-730-0310
Dr. Richard Arthur Moscicki, MD
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 15 Parkman St, Allergy Associates Wac 626, Boston, MA 02114
Phone: 617-726-3764    Fax: 617-252-7694
Abduarahmn Almutairi, MD
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 300 Longwood Ave, Boston, MA 02115
Phone: 617-355-6117    
John L Ohman, MD
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 750 Washington St, Nemc Box 30, Boston, MA 02111
Phone: 617-636-5000    Fax: 617-636-4843
Dr. Paul J. Maglione, MD, PHD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 725 Albany St, Shapiro 9 Suite B, Boston, MA 02118
Phone: 617-638-7480    

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.