NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Melissa Lewi, M.S.

Speech-Language Pathologist in Medfield, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1801973342

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ms. Melissa Lewi
Credential M.S.
Sex Female
Practice address 5 N Meadows Rd, Slp Associates, PC, Medfield, MA, 02052
Phone (508) 359-4532
Fax (508) 359-0198
Enumeration date Nov 1, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 5730 (MA) Primary

Other identifiers

Identifier Type State Issuer
3668706 Other MA AETNA
SP0105 Other MA BCBS SPEECH PATHOLOGIST
1942270574 Other MA NPI GROUP
467756 Other MA TUFTS INDIVIDUAL
626557 Other MA HPHC
620733 Other MA TUFTS GROUP
SG0013 Other MA BCBS GROUP

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for Melissa Lewi?
The National Provider Identifier (NPI) for Melissa Lewi is 1801973342, a Type 1 (individual) record in the CMS NPPES registry.
Where does Melissa Lewi practice?
The practice location on file with NPPES is in Medfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.