| Doctor Name: | DR. MARK E WILLIAMS |
| NPI Number: | 1184653891 |
| Entity Type Code: | Individual (1) |
| Gender: | M |
| Credentials: | MD |
| License Number: | 45103 |
| Business Practice Address: | 1 Joslin Pl Boston, MA - 022155306 |
| Business Phone Number: | 6177322477 |
| Business Fax Number: | 6177322467 |
| Mailing Address: | 31 Hereford St, BOSTON |
| State: | MA |
| Postal Code: | 021151718 |
| Phone Number: | 6172675652 |
| Fax Number: | 6177351916 |
| NPI Enumeration Date: | 07/03/2006 |
| NPI Last Update Date: | 04/25/2011 |
| Replacement NPI: | 0 |
| NPI Deactivation Date: | |
| NPI Reactivation Date: |
Taxonomy Information: | |
| Healthcare Provider Taxonomy: | 174400000X |
| License Number: | 45103 |
| Healthcare Provider Taxonomy: (Secondary) | N |
| State: | MA |
| Taxonomy Type: | Other Service Providers |
| Taxonomy Classification: | Specialist |
| Taxonomy Specialization: | |
| Taxonomy Definition: | An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree. |