Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Sondra Marie Mcmillan-King

Mental Health Counselor in Springfield, MA · enumerated 2008.

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

National Provider Identifier

1336306828

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Registry record

Entity type Individual (Type 1)

Name Mrs. Sondra Marie Mcmillan-King

Sex Female

Practice address 50 State St, Springfield, MA, 01103

Phone (413) 735-6031

Enumeration date May 21, 2008

Last updated in NPPES Aug 31, 2010

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 313462 (MA) Secondary

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 Sondra Mcmillan-King?

The National Provider Identifier (NPI) for Sondra Mcmillan-King is 1336306828, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sondra Mcmillan-King practice?

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

Other providers at this practice address

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Amy Wevodau Forensic Psychologist · Springfield, MA NPI 1437510914 Lauren Whelihan Clinical Social Worker · Springfield, MA NPI 1245738236

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-31.