Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Christine M Wolff, PHD

Psychologist in Waltham, MA · enumerated 2006.

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

National Provider Identifier

1871673582

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Registry record

Entity type Individual (Type 1)

Name Dr. Christine M Wolff

Credential PHD

Sex Female

Practice address Waltham, MA, 02453

Phone (781) 891-4452

Fax (781) 647-0270

Enumeration date Oct 17, 2006

Last updated in NPPES Jul 14, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 2043 (MA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
714048	Other	MA	TUFTS
46168	Other	MA	MAGELLAN

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 Christine Wolff?

The National Provider Identifier (NPI) for Christine Wolff is 1871673582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christine Wolff practice?

The practice location on file with NPPES is in Waltham, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-14.