Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Dr. Mark D Haffey, EDD
Psychologist in Amherst, MA · enumerated 2006 · practices at Haffey Center for Attention & Memory.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184724106
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Registry record
Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| W04532 | Other | MA | BC/BS PROVIDER ID # |
| 2034136 | Other | MA | CIGNA HP PROVIDER ID # |
| 339070 | Other | MA | MAGELLAN PROVIDER ID # |
| 004415 | Other | MA | TUFTS HEALTH PLAN |
| 042945394 | Other | MA | UBH PROVIDER ID # |
| 24262 | Other | MA | HEALTH NEW ENGLAND PROVID |
| 4415 | Other | MA | LICD PSYCHOLOGIST PROVIDE |
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.
Frequently asked questions
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-22.