DR. BARBARA JEAN DAVIS D.O.
NPI 1942425079
Internal Medicine in Irvine, CA

Q: What is Barbara Davis's NPI number?

The NPI number for Barbara Davis is 1942425079. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Q: What is Barbara Davis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Barbara Davis was last updated on November 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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 16, 2007PECOS Enrolled

11 TECHNOLOGY DR, IRVINE, CA 92618(855) 206-6764(949) 923-3575 Get Directions Write a Review

NPPES record last updated: November 22, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Barbara Jean Davis D.o. NPPES

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

DR. BARBARA JEAN DAVIS D.O. (NPI 1942425079) is an individual internal medicine provider in Irvine, California, licensed in California (20A9925) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942425079

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. BARBARA JEAN DAVISCredential: D.O.

Location Address11 TECHNOLOGY DRIrvine, CA 92618-2302

Mailing Address11 Technology DrIrvine, CA 92618-2302 · (855) 206-6764 · Fax (949) 923-3575

Phone(855) 206-6764

Fax(949) 923-3575

Sole ProprietorNo

Enumeration DateApril 16, 2007

Last NPPES UpdateNovember 22, 2016

✔ NPI 1942425079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · 20A9925

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License 20A9925 (CA)

11 TECHNOLOGY DR, Irvine, CA 92618

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Other Identifiers 2

Medicaid0A0X99250CA

Medicare PINCB209799CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Barbara Jean Davis 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.

Medicare Billing Reassignment

Medicare enrollment records show Barbara Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Regents Of The University Of California-Irvine

12 mi

Hospitalist

101 THE CITY DR S BLDG 1
Orange, CA 92868

Reassigned Medicare billing, California enrollment
250 clinicians in this Medicare group

NPI 1154479723 (714) 456-7002

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92618 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Collagen based wound filler, dry form, sterile, per gram of collagen A6010

DME-Medical/Surgical Supplies · category DA023N

1 supplier11 claims474 services$29.97 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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. MARIA TERESA CORPIN AGNER MD

Internal Medicine