Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Lynn Jacobs, OT
Occupational Therapist in Amherst, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487739637
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 043527497 | Other | MA | GREATWEST |
| 11222870 | Other | - | CAQH |
| 4214936 | Other | MA | AETNA-INDIV # |
| 670001710 | Other | MA | RAILROAD MEDICARE |
| 0389005 | Medicaid | MA | - |
| 043527497 | Other | MA | UNITED HEALTH CARE |
| 972730 | Other | MA | NETWORK HEALTH |
| 043527497 | Other | MA | CONSOLIDATED |
| 043527497 | Other | MA | NORTH REGIONS CLAIMS |
| 9715568 | Medicaid | MA | - |
| P328227 | Other | - | OXFORD |
| 043527497 | Other | MA | UNICARE/GIC |
| 469635 | Other | MA | TUFTS-IND # |
| 043527 | Other | MA | CONNECTICARE |
| 103355100 | Other | MA | DEPT OF LABOR |
| 7710306 | Other | MA | CIGNA INDIV # |
| OG0011 | Other | MA | BC BS GROUP # |
| 000000035317 | Other | MA | BOSTON HEALTNET |
| 690675 | Other | MA | TUFTS |
| 043527497 | Other | MA | CIGNA |
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 2017-05-03.