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

Max Babbin Rothbaum, LMSW

Q: What is the NPI number for Max Rothbaum?

The National Provider Identifier (NPI) for Max Rothbaum is 1134855372, a Type 1 (individual) record in the CMS NPPES registry.

Mental Health Counselor in Chelmsford, MA · enumerated 2022.

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

National Provider Identifier

1134855372

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Registry record

Entity type Individual (Type 1)

Name Max Babbin Rothbaum

Credential LMSW

Sex Male

Practice address Chelmsford, MA, 01824

Phone (617) 947-9582

Fax (978) 221-5831

Enumeration date Jul 29, 2022

Last updated in NPPES Jul 29, 2022

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 60483 (TX) Primary

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 Max Rothbaum?

The National Provider Identifier (NPI) for Max Rothbaum is 1134855372, a Type 1 (individual) record in the CMS NPPES registry.

Where does Max Rothbaum practice?

The practice location on file with NPPES is in Chelmsford, 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 2022-07-29.