| Doctor Name: | WILLIAM J CALLAHAN |
| NPI Number: | 1346222445 |
| Entity Type Code: | Individual (1) |
| Gender: | M |
| Credentials: | MD |
| License Number: | 57451 |
| Business Practice Address: | 11 Nevins St Suite 503 Brighton, MA - 02135 |
| Business Phone Number: | 6177830095 |
| Business Fax Number: | 6177834460 |
| Mailing Address: | 11 Nevins St, Suite 503 BRIGHTON |
| State: | MA |
| Postal Code: | 02135 |
| Phone Number: | 6177830095 |
| Fax Number: | 6177834460 |
| NPI Enumeration Date: | 11/16/2005 |
| NPI Last Update Date: | 07/08/2007 |
| Replacement NPI: | 0 |
| NPI Deactivation Date: | |
| NPI Reactivation Date: |
Taxonomy Information: | |
| Healthcare Provider Taxonomy: | 207V00000X |
| License Number: | 57451 |
| Healthcare Provider Taxonomy: (Secondary) | Y |
| State: | MA |
| Taxonomy Type: | Allopathic & Osteopathic Physicians |
| Taxonomy Classification: | Obstetrics & Gynecology |
| Taxonomy Specialization: | |
| Taxonomy Definition: | An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women. |