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DR. WILLIAM SHEEHAN M.D.
NPI 1306007794
Allergy & Immunology in Boston, MA

Active since June 19, 2008PECOS Enrolled
300 LONGWOOD AVE, FEGAN 6; DIVISION OF IMMUNOLOGY, BOSTON, MA 02115(617) 355-6117 Get Directions Write a Review

NPPES record last updated: June 19, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Sheehan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM SHEEHAN M.D. (NPI 1306007794) is an individual allergy & immunology provider in Boston, Massachusetts, licensed in Massachusetts (229671) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306007794
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. WILLIAM SHEEHANCredential: M.D.
Location Address300 LONGWOOD AVE, FEGAN 6; DIVISION OF IMMUNOLOGYBoston, MA 02115-5724
Mailing Address300 Longwood Ave, Fegan 6; Division Of ImmunologyBoston, MA 02115-5724 · (617) 355-6117
Phone(617) 355-6117
Sole ProprietorNo
Enumeration DateJune 19, 2008
✔ NPI 1306007794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in MA · 229671
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
300 LONGWOOD AVE, Boston, MA 02115
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Sheehan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MISS LAUREN ASHLEY MASTERSON P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Sheehan's NPI number?

The NPI number for William Sheehan is 1306007794. It was assigned to this individual provider in the NPPES registry on June 19, 2008.

Where is William Sheehan located?

William Sheehan practices at 300 Longwood Ave Fegan 6; Division Of Immunology, Boston, MA 02115. The listed phone number is (617) 355-6117.

What is William Sheehan's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is William Sheehan enrolled in Medicare?

Yes. William Sheehan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Sheehan was last updated on June 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.