| Doctor Name: | DR. WILLIAM ROGERS OBRIEN |
| NPI Number: | 1043483837 |
| Entity Type Code: | Individual (1) |
| Gender: | M |
| Credentials: | MD |
| License Number: | 259200 |
| Business Practice Address: | 1 Parkway Haverhill, MA - 018306278 |
| Business Phone Number: | 9785213250 |
| Business Fax Number: | 9784695646 |
| Mailing Address: | 1 Parkway, HAVERHILL |
| State: | MA |
| Postal Code: | 018306278 |
| Phone Number: | 9785213250 |
| Fax Number: | 9784695646 |
| NPI Enumeration Date: | 04/11/2008 |
| NPI Last Update Date: | 08/24/2015 |
| Replacement NPI: | 0 |
| NPI Deactivation Date: | |
| NPI Reactivation Date: |
Taxonomy Information: | |
| Healthcare Provider Taxonomy: | 207RR0500X |
| License Number: | 259200 |
| Healthcare Provider Taxonomy: (Secondary) | Y |
| State: | MA |
| Taxonomy Type: | Allopathic & Osteopathic Physicians |
| Taxonomy Classification: | Internal Medicine |
| Taxonomy Specialization: | Rheumatology |
| Taxonomy Definition: | An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases. |