Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MRS. MONICA KERIANN HILL-OXNAM HIS
NPI 1215841572
Hearing Instrument Specialist in Brentwood, CA

Q: What is Monica Hill-oxnam's NPI number?

The NPI number for Monica Hill-oxnam is 1215841572. It was assigned to this individual provider in the NPPES registry on October 1, 2026.

Q: What is Monica Hill-oxnam's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

Q: When was this NPI record last updated?

The NPPES record for Monica Hill-oxnam was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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 October 01, 2026

1240 CENTRAL BLVD STE A2, BRENTWOOD, CA 94513(925) 658-1290(925) 884-8013 Get Directions Write a Review

NPPES record added: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mrs. Monica Keriann Hill-oxnam His NPPES

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

MRS. MONICA KERIANN HILL-OXNAM HIS (NPI 1215841572) is an individual hearing instrument specialist in Brentwood, California, licensed in California (HA9296) and active in the NPI registry since October 2026. She maintains a secondary practice location in Walnut Creek.

NPPES Registry Identity

NPI1215841572

Entity TypeIndividualFemale

Primary Taxonomy237700000X

Provider Legal NameMRS. MONICA KERIANN HILL-OXNAMCredential: HIS

Location Address1240 CENTRAL BLVD STE A2Brentwood, CA 94513-2228

Mailing Address1240 Central Blvd Ste A2Brentwood, CA 94513-2228 · (925) 658-1290 · Fax (925) 884-8013

Phone(925) 658-1290

Fax(925) 884-8013

Sole ProprietorNo

Enumeration DateOctober 1, 2026

NPPES CertifiedOctober 1, 2026

✔ NPI 1215841572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHearing Instrument SpecialistSpeech, Language and Hearing Service Providers

Taxonomy Code237700000X

License✔ Licensed in CA · HA9296

Definition

Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

1240 CENTRAL BLVD STE A2, Brentwood, CA 94513

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Secondary Practice Location 1

Location 11196 Boulevard Way Ste 1Walnut Creek, CA 94595-1167 · Phone (925) 658-1290 · Fax (925) 884-8013

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 Monica Hill-oxnam's NPI number?

The NPI number for Monica Hill-oxnam is 1215841572. It was assigned to this individual provider in the NPPES registry on October 1, 2026.

Where is Monica Hill-oxnam located?

Monica Hill-oxnam practices at 1240 Central Blvd Ste A2, Brentwood, CA 94513. The listed phone number is (925) 658-1290.

What is Monica Hill-oxnam's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

When was this NPI record last updated?

The NPPES record for Monica Hill-oxnam was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.