Dr. William J Greenhouse, PH.D.
Dr. William J Greenhouse is a Clinical Psychologist provider (Psychologist) practicing in Bedford, MA, registered in the NPPES registry with NPI 1225099310 since 2006. The credential PHD stands for Doctor of Philosophy.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1225099310 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. William J Greenhouse |
| Credential | PH.D. |
| Sex | Male |
| Practice address | 200 SPRINGS RD # 116-B, EDITH NOURSE ROGERS MEMORIAL VA HOSPITAL, Bedford, MA, 01730 |
| Phone | 7816872000 |
| Enumeration date | 2006-03-29 |
| Last updated in NPPES | 2011-06-03 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 103TC0700X | Clinical Psychologist | Primary | 8140 | MA |
PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential
Copy-ready billing details
Provider: William Greenhouse, PH.D. NPI: 1225099310 Taxonomy: 103TC0700X (Clinical Psychologist) Address: 200 SPRINGS RD # 116-B, EDITH NOURSE ROGERS MEMORIAL VA HOSPITAL, Bedford, MA, 01730
Verify this record
Cross-check NPI 1225099310 against the authoritative CMS record: view Dr. William J Greenhouse on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-06-03.