Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Buck Psychiatric Services

Q: What is the NPI number for Buck Psychiatric Services?

The NPI for Buck Psychiatric Services is 1801790753, a Type 2 (organization) record in the CMS NPPES registry.

Nurse Practitioner in Lexington, MA · enumerated 2026 · authorized official Emily Buck, Pmhnp.

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

National Provider Identifier

1801790753

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Registry record

Entity type Organization (Type 2)

Legal business name Buck Psychiatric Services

Practice address 48 Lowell St, Lexington, MA, 02420

Phone (617) 297-7409

Enumeration date Oct 5, 2026

Last updated in NPPES Oct 7, 2026

Taxonomy & classification

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Emily Buck

Title Pmhnp

Phone (857) 919-2704

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

Who is the authorized official for Buck Psychiatric Services?

NPPES lists Emily Buck (Pmhnp) as the authorized official for this organization.

What is the NPI number for Buck Psychiatric Services?

The NPI for Buck Psychiatric Services is 1801790753, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-10-07.