Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MELINDA O'NEIL MA, APCC
NPI 1841043726
Counselor - Mental Health in Pleasanton, CA

Q: What is Melinda O'neil's NPI number?

The NPI number for Melinda O'neil is 1841043726. It was assigned to this individual provider in the NPPES registry on April 9, 2024.

Q: What is Melinda O'neil's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Melinda O'neil was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 09, 2024

PO BOX 367, PLEASANTON, CA 94566(650) 200-0119 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 21, 2026, Apr 9, 2024 (2 updates tracked since 2024).

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About Melinda O'neil Ma, Apcc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELINDA O'NEIL MA, APCC (NPI 1841043726) is an individual mental health provider in Pleasanton, California, licensed in California (16057) and active in the NPI registry since April 2024.

NPPES Registry Identity

NPI1841043726

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMELINDA O'NEILCredential: MA, APCC

Location AddressPO BOX 367Pleasanton, CA 94566-0841

Mailing AddressPo Box 367Pleasanton, CA 94566-0841 · (650) 200-0119

Phone(650) 200-0119

Sole ProprietorNo

Enumeration DateApril 9, 2024

Last NPPES UpdateSeptember 21, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 21, 2026

✔ NPI 1841043726 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in CA · 16057

PO BOX 367, Pleasanton, CA 94566

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melinda O'neil's NPI number?

The NPI number for Melinda O'neil is 1841043726. It was assigned to this individual provider in the NPPES registry on April 9, 2024.

Where is Melinda O'neil located?

Melinda O'neil practices at PO Box 367, Pleasanton, CA 94566. The listed phone number is (650) 200-0119.

What is Melinda O'neil's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Melinda O'neil was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.