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 5 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 04, 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 5 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.