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

HAYLEY HEBROCK D.O.
NPI 1396454195
Hospitalist in Antioch, CA

Q: What is Hayley Hebrock's NPI number?

The NPI number for Hayley Hebrock is 1396454195. It was assigned to this individual provider in the NPPES registry on November 21, 2022.

Q: What is Hayley Hebrock's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Hayley Hebrock was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 November 21, 2022PECOS Enrolled

3901 LONE TREE WAY, ANTIOCH, CA 94509(925) 779-7200 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 27, 2026, Apr 5, 2023, Nov 21, 2022 (3 updates tracked since 2022).

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About Hayley Hebrock D.o. NPPES

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

HAYLEY HEBROCK D.O. (NPI 1396454195) is an individual hospitalist provider in Antioch, California, licensed in California (20A25514) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396454195

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameHAYLEY HEBROCKCredential: D.O.

Location Address3901 LONE TREE WAYAntioch, CA 94509-6200

Mailing Address3901 Lone Tree WayAntioch, CA 94509-6200

Phone(925) 779-7200

Sole ProprietorNo

Enumeration DateNovember 21, 2022

Last NPPES UpdateAugust 27, 20263 updates tracked since enumeration

NPPES CertifiedAugust 27, 2026

✔ NPI 1396454195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · 20A25514

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

3901 LONE TREE WAY, Antioch, CA 94509

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hayley Hebrock D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94509 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DUNG THINGOC NGUYEN PHARM. D.

Pharmacist