Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathaniel Alton, LMSW

Social Worker in Columbia, MD · enumerated 2026 · practices at Columbia Associates in Psychiatry PC.

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

National Provider Identifier

1518883891

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Registry record

Entity type Individual (Type 1)

Name Nathaniel Alton

Credential LMSW

Sex Male

Practice address 10400 Little Patuxent Pkwy Ste 305, Columbia, MD, 21044

Phone (410) 210-4098

Enumeration date Jun 29, 2026

Last updated in NPPES Jun 30, 2026

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 35054 (MD) 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.

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Frequently asked questions

Where does Nathaniel Alton practice?

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

What is the NPI number for Nathaniel Alton?

The National Provider Identifier (NPI) for Nathaniel Alton is 1518883891, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Flavia Epps Professional Counselor · Columbia, MD NPI 1922806058 Tyler Robinson Professional Counselor · Columbia, MD NPI 1568258051 Ethan Litofsky Counselor · Columbia, MD NPI 1780562108 Columbia Associates in Psychiatry PC Psychiatry Physician · Columbia, MD NPI 1285502310 Marquita Jeffers Professional Counselor · Columbia, MD NPI 1508714049 April Williams Social Worker · Columbia, MD NPI 1871439539 Bria Miller Social Worker · Columbia, MD NPI 1609792324

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-30.