Dr. Peter A Macmullan, PSY.D.
Dr. Peter A Macmullan is a Clinical Psychologist provider (Psychologist) practicing in Augusta, ME, registered in the NPPES registry with NPI 1366568321 since 2007. The credential PSYD stands for Doctor of Psychology.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1366568321 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Peter A Macmullan |
| Credential | PSY.D. |
| Sex | Male |
| Practice address | Augusta, ME, 04330 |
| Phone | 2076238411 |
| Enumeration date | 2007-03-21 |
| Last updated in NPPES | 2007-07-08 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 103TC0700X | Clinical Psychologist | Primary | PS888 | ME |
PSYD — Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential
Copy-ready billing details
Provider: Peter Macmullan, PSY.D. NPI: 1366568321 Taxonomy: 103TC0700X (Clinical Psychologist) Address: Augusta, ME, 04330
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1083605992 | Aaron Greenwald | Individual | Psychiatry Physician | Augusta, ME |
| 1437135704 | Nancy Johnson | Individual | Clinical Social Worker | Augusta, ME |
| 1053390690 | Shannon Kenney | Individual | Family Medicine Physician | Augusta, ME |
| 1538128574 | Richard Corbin | Individual | Internal Medicine Physician | Augusta, ME |
| 1831158823 | Michael Klein | Individual | Emergency Medicine Physician | Augusta, ME |
| 1407804537 | Togus Vamc | Organization | Department of Veterans Affairs (VA) Pharmacy | Augusta, ME |
| 1235182148 | Margaret Boyle | Individual | Clinical Social Worker | Augusta, ME |
| 1750336566 | Kurt Rauch | Individual | Pharmacist | Augusta, ME |
Verify this record
Cross-check NPI 1366568321 against the authoritative CMS record: view Dr. Peter A Macmullan 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.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.